Volumes | High Temperature Reactor Technology | American Society of Mechanical Engineers Digital Collection

Topics: Design , High temperature , Creep , Fatigue , Operating temperature , Rupture , Temperature , ASME Standards , Cracking (Materials) , Evaluation methods

Neutron Flux Measurements for the PBMR DPP

Gordon Procter, Clark J. Artaud

HTR 2008; 25-32doi:https://doi.org/10.1115/HTR2008-58093

Abstract

View Articletitled, Neutron Flux Measurements for the PBMR DPP

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Topics: Neutron flux , Instrumentation , Nuclear fission , Sensors , Cables , Signal processing , Data acquisition , Design , Fuels , Graphite

Investigation of Printed Circuit Heat Exchangers for VHTRs

Sai K. Mylavarapu, Xiaodong Sun, Justin Figley, Noah J. Needler, Richard N. Christensen

HTR 2008; 33-40doi:https://doi.org/10.1115/HTR2008-58097

Abstract

View Articletitled, Investigation of Printed Circuit Heat Exchangers for VHTRs

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Topics: Alloys , Circuits , Computational fluid dynamics , Heat exchangers , High temperature materials , Very high temperature reactors

PBMR Technology Development Projects at Stellenbosch University, South Africa

R. T. Dobson

HTR 2008; 41-47doi:https://doi.org/10.1115/HTR2008-58103

Abstract

View Articletitled, PBMR Technology Development Projects at Stellenbosch University, South Africa

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Topics: Technology development , Heat , Heat pipes , Particulate matter , Atoms , Coolants , Dust , Electricity (Physics) , Energy efficiency , Fiber Bragg gratings

Integrated Systems CFD Modelling Applied to Diffusion-Bonded Compact Heat Exchangers

Jan-Hendrik Kruger, Louis A. le Grange, Gideon P. Greyvenstein

HTR 2008; 49-56doi:https://doi.org/10.1115/HTR2008-58143

Abstract

View Articletitled, Integrated Systems CFD Modelling Applied to Diffusion-Bonded Compact Heat Exchangers

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Topics: Computational fluid dynamics , Diffusion (Physics) , Heat exchangers , Integrated systems , Modeling , Computer software , Fluid dynamics , Plates (structures) , Three-dimensional models , Computer simulation

Euratom Research and Related Strategy in the Field of Nuclear Systems and Its Support to V/HTR as Part of the Contribution to GIF

Panagiotis Manolatos, Georges Van Goethem, Marc Deffrennes, Michel Hugon, Simon Webster

HTR 2008; 57-66doi:https://doi.org/10.1115/HTR2008-58151

Abstract

View Articletitled, Euratom Research and Related Strategy in the Field of Nuclear Systems and Its Support to V/HTR as Part of the Contribution to GIF

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Topics: Generation IV reactors , Heat , Nuclear fission , Nuclear power , Nuclear research , Sustainability

Perspectives for the French R&D Program for High and Very High Temperature Reactors

Pascal Yvon, Dominique Hittner, Jean-Michel Delbecq

HTR 2008; 67-72doi:https://doi.org/10.1115/HTR2008-58172

Abstract

View Articletitled, Perspectives for the French R&D Program for High and Very High Temperature Reactors

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Topics: Very high temperature reactors , Fuels , Irradiation (Radiation exposure) , Temperature , Design , Helium , Hydrogen production , Particulate matter , Safety , Sulfur

Pu and MA Management in Thermal HTGRs: Impact at Fuel, Reactor and Fuel Cycle Levels

J. C. Kuijper

HTR 2008; 73-81doi:https://doi.org/10.1115/HTR2008-58176

Abstract

View Articletitled, Pu and MA Management in Thermal HTGRs: Impact at Fuel, Reactor and Fuel Cycle Levels

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Topics: Fuels , Nuclear fuel cycle , Very high temperature reactors , Sustainability , Carbon dioxide , Design , Energy generation , Gas cooled reactors , High temperature , Nuclear power

Dry Cooling Towers for GT-MHR

C. B. Baxi

HTR 2008; 83-97doi:https://doi.org/10.1115/HTR2008-58182

Abstract

View Articletitled, Dry Cooling Towers for GT-MHR

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Topics: Cooling , Cooling systems , Cooling towers , Heat , Helium , Temperature , Thermal efficiency , Turbines , Water

HTR-TN Achievements and Prospects for Future Developments

Dominique Hittner, Carmen Angulo, Virginie Basini, Edgar Bogusch, Eric Breuil, Derek Buckthorpe, Vincent Chauvet, Michael A. Fu¨tterer, Aliki van Heek, Werner von Lensa, Denis Verrier, Pascal Yvon

HTR 2008; 99-108doi:https://doi.org/10.1115/HTR2008-58249

Abstract

View Articletitled, HTR-TN Achievements and Prospects for Future Developments

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Topics: Accidents , Carbon , Combined heat and power , Computers , Cycles , Fluence (Radiation measurement) , Fuels , Graphite , Heat , Heat exchangers

The Component Test Facility: A National User Facility for Testing of High Temperature Gas-Cooled Reactor (HTGR) Components and Systems

Vondell J. Balls, David S. Duncan, Stephanie L. Austad

HTR 2008; 109-115doi:https://doi.org/10.1115/HTR2008-58250

Abstract

View Articletitled, The Component Test Facility: A National User Facility for Testing of High Temperature Gas-Cooled Reactor (HTGR) Components and Systems

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Topics: Test facilities , Testing , Very high temperature reactors , Design , High temperature , Hydrogen , Nuclear power stations , Construction , Cycles , Ducts

Submerged Helium Blower Experience With Specific Reference to the Electro Magnetic Bearing Behaviour on the PBMR Helium Test Facility

G. G. Jacobs, G. J. F. Hammann, M. A. Rossouw

HTR 2008; 117-127doi:https://doi.org/10.1115/HTR2008-58290

Abstract

View Articletitled, Submerged Helium Blower Experience With Specific Reference to the Electro Magnetic Bearing Behaviour on the PBMR Helium Test Facility

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Topics: Helium , Magnetic bearings , Test facilities , Failure , Nitrogen , Noise (Sound) , Operating temperature , Pressure , Steel corrosion , Vibration

Development of Local Heat Transfer Models for Safety Assessment of Pebble Bed High Temperature Gas-Cooled Reactor Cores

Richard Stainsby, Matthew Worsley, Andrew Grief, Ana Dennier, Frances Dawson, Mike Davies, Paul Coddington, Jo Baker

HTR 2008; 129-138doi:https://doi.org/10.1115/HTR2008-58293

Abstract

View Articletitled, Development of Local Heat Transfer Models for Safety Assessment of Pebble Bed High Temperature Gas-Cooled Reactor Cores

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Topics: Computational fluid dynamics , Engineering simulation , Finite element analysis , Fuels , Geometry , Heat transfer , Multiscale modeling , Particulate matter , Safety , Simulation

Development of Local Heat Transfer Models for the Safety Assessment of Prismatic Modular High Temperature Gas-Cooled Reactor Cores

Richard Stainsby, Matthew Worsley, Frances Dawson, Joakim Baker, Andrew Grief, Ana Dennier, Paul Coddington

HTR 2008; 139-148doi:https://doi.org/10.1115/HTR2008-58295

Abstract

View Articletitled, Development of Local Heat Transfer Models for the Safety Assessment of Prismatic Modular High Temperature Gas-Cooled Reactor Cores

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Topics: Heat transfer , Safety , Very high temperature reactors , Fuels , Temperature , Engineering simulation , Simulation , Finite element analysis , Particulate matter , Computer simulation

Development of Local Heat Transfer and Pressure Drop Models for Pebble Bed High Temperature Gas-Cooled Reactor Cores

Brian McLaughlin, Matthew Worsley, Richard Stainsby, Andrew Grief, Ana Dennier, Shawn MacIntosh, Eugene vanHeerden

HTR 2008; 149-157doi:https://doi.org/10.1115/HTR2008-58296

Abstract

View Articletitled, Development of Local Heat Transfer and Pressure Drop Models for Pebble Bed High Temperature Gas-Cooled Reactor Cores

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Topics: Heat transfer , Pressure drop , Very high temperature reactors , Computational fluid dynamics , Flow (Dynamics) , Computer software , Coolants , Heat transfer coefficients , Reynolds-averaged Navier–Stokes equations , Steady state

Numerical Simulations of Jet Flow Mixing Within Rod Bundles

Nathaniel O. Salpeter, Yassin A. Hassan

HTR 2008; 159-165doi:https://doi.org/10.1115/HTR2008-58321

Abstract

View Articletitled, Numerical Simulations of Jet Flow Mixing Within Rod Bundles

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Topics: Computer simulation , Fuel rods , Jets , Engineering simulation , Flow (Dynamics) , Simulation , Turbulence , Approximation , Computational fluid dynamics , Reynolds number

Project Deep-Burn: Development of Transuranic Fuel for High-Temperature Helium-Cooled Reactors

Robert M. Versluis, Francesco Venneri, David Petti, Lance Snead, Donald McEachern

HTR 2008; 167-170doi:https://doi.org/10.1115/HTR2008-58325

Abstract

View Articletitled, Project Deep-Burn: Development of Transuranic Fuel for High-Temperature Helium-Cooled Reactors

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Topics: Fuels , Helium , High temperature , Very high temperature reactors , Engineering prototypes , Graphite , Nuclear power stations

CFD Simulation of a Coolant Flow and a Heat Transfer in a Pebble Bed Reactor

Wang-Kee In, Won-Jae Lee, Yassin A. Hassan

HTR 2008; 171-175doi:https://doi.org/10.1115/HTR2008-58334

Abstract

View Articletitled, CFD Simulation of a Coolant Flow and a Heat Transfer in a Pebble Bed Reactor

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Topics: Computational fluid dynamics , Coolants , Flow (Dynamics) , Heat transfer , Simulation , Temperature , Fuels , Graphite , Thermal conductivity , Flow separation

Fuel and Fuel Cycles

Fabrication Process and Product Quality Improvements in Advanced Gas Reactor UCO Kernels

Charles M. Barnes, W. C. Richardson, DeWayne Husser, Matthias Ebner

HTR 2008; 177-188doi:https://doi.org/10.1115/HTR2008-58039

Abstract

View Articletitled, Fabrication Process and Product Quality Improvements in Advanced Gas Reactor UCO Kernels

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Topics: Manufacturing , Product quality , Fuels , Uranium , Irradiation (Radiation exposure) , Carbon , High temperature , Sintering , Carbon black pigments , Chemistry

Update on Overcoating and Compacting Activities for Coated Particles With 425 µm Kernels

Peter J. Pappano, John D. Hunn

HTR 2008; 189-195doi:https://doi.org/10.1115/HTR2008-58041

Abstract

View Articletitled, Update on Overcoating and Compacting Activities for Coated Particles With 425 µm Kernels

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Topics: Compacting , Particulate matter , Fuels , Uranium , Circular cylinders , Coating processes , Coatings , Nuclear power stations

Preliminary Results of the HFR-EU1 Fuel Irradiation of INET and AVR Pebbles in the HFR Petten

Alain Marmier, Michael A. Fu¨tterer, Mathias Laurie, Chunhe Tang

HTR 2008; 197-203doi:https://doi.org/10.1115/HTR2008-58049

Abstract

View Articletitled, Preliminary Results of the HFR-EU1 Fuel Irradiation of INET and AVR Pebbles in the HFR Petten

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Topics: Fuels , Irradiation (Radiation exposure) , High temperature , Particulate matter , Temperature , Cycles , Downtime , Energy conversion , Failure , Licensing

Multi-Year Fuel Cycles in the MHR Core Using LEU/Th Fuel

Z. Shayer, A. Baxter, A. Shenoy

HTR 2008; 205-213doi:https://doi.org/10.1115/HTR2008-58054

Abstract

View Articletitled, Multi-Year Fuel Cycles in the MHR Core Using LEU/Th Fuel

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Topics: Cycles , Design , Fuel rods , Fuels , Graphite , Health risk assessment , Helium , Nuclear fuel cycle , Packing (Shipments) , Packings (Cushioning)

A Synthesis on the HTR Scenario Studies at CEA

Lionel Boucher, Dominique Greneche

HTR 2008; 215-221doi:https://doi.org/10.1115/HTR2008-58059

Abstract

View Articletitled, A Synthesis on the HTR Scenario Studies at CEA

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Topics: Cycles

The PBMR Fuel Plant: Proven Technology in Advanced Safety Environment

Georg Bra¨hler, K. Froschauer, P. Welbers, D. Boyes

HTR 2008; 223-230doi:https://doi.org/10.1115/HTR2008-58060

Abstract

View Articletitled, The PBMR Fuel Plant: Proven Technology in Advanced Safety Environment

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Topics: Fuels , Safety , Uranium , Geometry , Recycling , Air pollution control , Coating processes , Coatings , Containment , Decontamination

Deposition of TRISO Particles With Superhard SiC Coatings and the Characterization of Anisotropy by Raman Spectroscopy

Eddie Lo´pez-Honorato, Philippa J. Meadows, Jun Tan, Yang Xiang, Ping Xiao

HTR 2008; 231-235doi:https://doi.org/10.1115/HTR2008-58072

Abstract

View Articletitled, Deposition of TRISO Particles With Superhard SiC Coatings and the Characterization of Anisotropy by Raman Spectroscopy

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Topics: Anisotropy , Coatings , Particulate matter , Raman spectroscopy , Solid solutions , X-ray diffraction

Mining Process and Product Information From Pressure Fluctuations Within a Fuel Particle Coater

Douglas W. Marshall, Charles M. Barnes

HTR 2008; 237-246doi:https://doi.org/10.1115/HTR2008-58073

Abstract

View Articletitled, Mining Process and Product Information From Pressure Fluctuations Within a Fuel Particle Coater

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Topics: Fluctuations (Physics) , Fuels , Mining , Particulate matter , Pressure , Coatings , Fluidization , Instrumentation , Coating processes , Bubbles

Results of Tests to Demonstrate a Six-Inch Diameter Coater for Production of TRISO-Coated Particles for Advanced Gas Reactor Experiments

Charles M. Barnes, Douglas W. Marshall, John Hunn, Bruce L. Tomlin, Joe T. Keeley

HTR 2008; 247-255doi:https://doi.org/10.1115/HTR2008-58074

Abstract

View Articletitled, Results of Tests to Demonstrate a Six-Inch Diameter Coater for Production of TRISO-Coated Particles for Advanced Gas Reactor Experiments

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Topics: Particulate matter , Coating processes , Coatings , Anisotropy , Hydrogen , Manufacturing , Carbon , Design , Fuels , Gas flow

Evaluation of the Thermodynamics of Deep Burnup HTGR Fuel With Plutonium Kernels

N. N. Ponomarev-Stepnoy, V. M. Makarov, A. S. Ivanov, I. A. Belov, A. A. Rusinkevich, T. Lindemer, D. McEachern, J. Razvi

HTR 2008; 257-262doi:https://doi.org/10.1115/HTR2008-58081

Abstract

View Articletitled, Evaluation of the Thermodynamics of Deep Burnup HTGR Fuel With Plutonium Kernels

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Topics: Fuels , Thermodynamics , Very high temperature reactors , Gas turbines , Helium , Particulate matter , Security , Weapons

Deep Burn Strategy for Pure Reactor-Grade Plutonium in Pebble Bed High Temperature Gas-Cooled Reactors

Eben Mulder, Dawid Serfontein, Eberhard Teuchert

HTR 2008; 263-278doi:https://doi.org/10.1115/HTR2008-58082

Abstract

View Articletitled, Deep Burn Strategy for Pure Reactor-Grade Plutonium in Pebble Bed High Temperature Gas-Cooled Reactors

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Topics: Nuclear fuel cycle , Very high temperature reactors , Fuels , Light water reactors , Half-life , Isotopes

X-Ray Radiography: An Alternative Method for Determining HTR Fuel Particle Coating Layer Thickness and Density

Julien Banchet, David Tisseur, Pierre Guillermier

HTR 2008; 279-283doi:https://doi.org/10.1115/HTR2008-58091

Abstract

View Articletitled, X-Ray Radiography: An Alternative Method for Determining HTR Fuel Particle Coating Layer Thickness and Density

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Topics: Coating processes , Coatings , Density , Fuels , Particulate matter , X-rays , Imaging , Nondestructive evaluation , Polishing equipment , Quality control

Analysis of the HTGR Proliferation Resistance

Vitaly V. Petrunin, Nikolay G. Kodochigov, Yury P. Sukharev, Sergey L. Osipov, Elena V. Marova

HTR 2008; 285-288doi:https://doi.org/10.1115/HTR2008-58106

Abstract

View Articletitled, Analysis of the HTGR Proliferation Resistance

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Topics: Design , Nuclear engineering , Nuclear industry , Nuclear power stations , Risk , Very high temperature reactors

Modeling of the SB-CVD Process Used for TRISO Coated Fuels Fabrication

Alexandra Mendes, Franc¸ois Cellier, Carine Ablitzer, Christophe Perrais, Alain Dolliet, Gilles Flamant

HTR 2008; 289-295doi:https://doi.org/10.1115/HTR2008-58118

Abstract

View Articletitled, Modeling of the SB-CVD Process Used for TRISO Coated Fuels Fabrication

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Topics: Chemical vapor deposition , Fuels , Manufacturing , Modeling , High temperature , Coatings , Optimization , Design , Heat transfer , Temperature

High-Temperature Reactor Fuel Technology in the RAPHAEL European Project

Virginie Basini, Sander de Groot, Pierre Guillermier, Franc¸ois Charollais, Fre´de´ric Michel, David Bottomley, Jean-Pol Hiernaut, Michael A. Fu¨tterer, Karl Verfondern, Tim Abram, Martin Kissane

HTR 2008; 297-305doi:https://doi.org/10.1115/HTR2008-58123

Abstract

View Articletitled, High-Temperature Reactor Fuel Technology in the RAPHAEL European Project

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Topics: High temperature , Nuclear fuels , Fuels , Irradiation (Radiation exposure) , Particulate matter , Coating processes , Coatings , Very high temperature reactors , Manufacturing , Nuclear fission

Fission-Product Behaviour During Irradiation of TRISO-Coated Particles in the HFREU1bis Experiment

Sander de Groot, Roland Dubourg, Klaas Bakker, Martin Kissane, Marc Barrachin

HTR 2008; 307-316doi:https://doi.org/10.1115/HTR2008-58125

Abstract

View Articletitled, Fission-Product Behaviour During Irradiation of TRISO-Coated Particles in the HFREU1bis Experiment

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Topics: Irradiation (Radiation exposure) , Nuclear fission , Particulate matter , Fuels , Carbon , Coatings , Oxygen , Temperature , Zirconium , Bubbles

High Temperature Interaction Between UO₂ and Carbon: Application to TRISO Particles for Very High Temperature Reactors

S. Gosse´, C. Gue´neau, F. Boinski, T. Alpettaz, S. Chatain, C. Chatillon

HTR 2008; 317-327doi:https://doi.org/10.1115/HTR2008-58148

Abstract

View Articletitled, High Temperature Interaction Between UO2 and Carbon: Application to TRISO Particles for Very High Temperature Reactors

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Topics: Carbon , High temperature , Particulate matter , Very high temperature reactors , Fuels , Carbon dioxide , Equilibrium (Physics) , Uranium , Manufacturing , Oxygen

A Method to Evaluate Fission Gas Release During Irradiation Testing of Spherical Fuel

Hanno van der Merwe, Johan Venter

HTR 2008; 329-338doi:https://doi.org/10.1115/HTR2008-58184

Abstract

View Articletitled, A Method to Evaluate Fission Gas Release During Irradiation Testing of Spherical Fuel

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Topics: Fuels , Irradiation (Radiation exposure) , Nuclear fission , Testing , Particulate matter

Influence of Temperature on the Micro- and Nanostructures of Experimental PBMR TRISO Coated Particles: A Comparative Study

Isabel J. van Rooyen, Jan H. Neethling, Johannes Mahlangu

HTR 2008; 339-348doi:https://doi.org/10.1115/HTR2008-58189

Abstract

View Articletitled, Influence of Temperature on the Micro- and Nanostructures of Experimental PBMR TRISO Coated Particles: A Comparative Study

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Topics: Nanostructures , Particulate matter , Temperature , Annealing , Cyber-physical systems , Nuclear fission , Elasticity , Fuels , Accidents , Anisotropy

Fission Product Monitoring of TRISO Coated Fuel for the Advanced Gas Reactor-1 Experiment

Dawn M. Scates, John K. Hartwell, John B. Walter, Mark W. Drigert, Jason M. Harp

HTR 2008; 349-356doi:https://doi.org/10.1115/HTR2008-58202

Abstract

View Articletitled, Fission Product Monitoring of TRISO Coated Fuel for the Advanced Gas Reactor-1 Experiment

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Topics: Fuels , Nuclear fission , Gamma rays , Gases , Monitoring systems , Particulate matter , Sensors , Very high temperature reactors , Failure , Germanium

Post Irradiation Testing of High Temperature Reactor Spherical Fuel Elements Under Accident Conditions

D. Freis, D. Bottomley, J. Ejton, W. de Weerd, H. Kostecka, E. H. Toscano

HTR 2008; 357-364doi:https://doi.org/10.1115/HTR2008-58203

Abstract

View Articletitled, Post Irradiation Testing of High Temperature Reactor Spherical Fuel Elements Under Accident Conditions

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Topics: Accidents , Fuels , High temperature , Irradiation (Radiation exposure) , Testing , Nuclear fission , Calibration , Furnaces , Heating , Transuranium elements

An Infiltration Manufacturing Process for Nuclear Fuels

Lynne Ecker, Jacopo Saccheri, Biays Bowerman, James Ablett, Laurence Milian, Jay Adams, Hans Ludwig, Michael Todosow

HTR 2008; 365-371doi:https://doi.org/10.1115/HTR2008-58204

Abstract

View Articletitled, An Infiltration Manufacturing Process for Nuclear Fuels

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Topics: Manufacturing , Nuclear fuels , Fuels , Graphite , Temperature , Heating , Heat , High temperature , Porosity

Evaluation of the Phase Composition, Crystallinity and Trace Isotope Variation of SiC in Experimental TRISO Coated Particles

Johan P. R. de Villiers, Noko Ngoepe, James Roberts, Alison S. Tuling

HTR 2008; 373-383doi:https://doi.org/10.1115/HTR2008-58208

Abstract

View Articletitled, Evaluation of the Phase Composition, Crystallinity and Trace Isotope Variation of SiC in Experimental TRISO Coated Particles

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Topics: Isotopes , Particulate matter , Transition metals , Chemical vapor deposition , Crystals , Diffraction patterns , Electron backscatter diffraction , Electron diffraction , Laser ablation , Manufacturing

The Analysis of the Thorium-Fueled Modular Helium-Cooled Reactor

Francesco Venneri, Yonghee Kim, Donald McEachern, Carl-Magnus Persson, Chang-Keun Jo

HTR 2008; 385-390doi:https://doi.org/10.1115/HTR2008-58315

Abstract

View Articletitled, The Analysis of the Thorium-Fueled Modular Helium-Cooled Reactor

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Topics: Helium , Fuels , Nuclear fuel cycle , Cycles , Sustainability , Equilibrium (Physics) , Graphite , Computers , Design , Neutrons

The Bench-Scale Facility for Fabrication of TRISO-Coated Plutonium Fuels

Igor M. Kadarmentov, Vladimir M. Makarov, Yevgeny Vakhrushev, Sergey Baranov, Yuri Koshelev, Donald W. McEachern, Robert C. Noren

HTR 2008; 391-401doi:https://doi.org/10.1115/HTR2008-58319

Abstract

View Articletitled, The Bench-Scale Facility for Fabrication of TRISO-Coated Plutonium Fuels

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Topics: Fuels , Manufacturing , Particulate matter , Security , Weapons

Nuclear Engineering Analysis

Advances in the CFD Modelling of the PBMR to Improve the Prediction of Bypass Flows

J. J. Janse van Rensburg

HTR 2008; 403-410doi:https://doi.org/10.1115/HTR2008-58012

Abstract

View Articletitled, Advances in the CFD Modelling of the PBMR to Improve the Prediction of Bypass Flows

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Topics: Computational fluid dynamics , Flow (Dynamics) , Leakage flows , Modeling

Using an Effective Viscosity to Account for the Effect of the Walls on the Pressure Drop Through an Annular Packed Bed

C. G. du Toit, A. J. K. van der Walt, J. van der Merwe

HTR 2008; 411-417doi:https://doi.org/10.1115/HTR2008-58048

Abstract

View Articletitled, Using an Effective Viscosity to Account for the Effect of the Walls on the Pressure Drop Through an Annular Packed Bed

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Topics: Pressure drop , Viscosity , Friction , Reynolds number , Flow (Dynamics) , Safety

VHTR Core Preliminary Analysis Using NEPHTIS3 / CAST3M Coupled Modelling

Fre´de´ric Damian

HTR 2008; 419-429doi:https://doi.org/10.1115/HTR2008-58052

Abstract

View Articletitled, VHTR Core Preliminary Analysis Using NEPHTIS3 / CAST3M Coupled Modelling

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Topics: Modeling , Very high temperature reactors , Fuels , Design , Geometry , Temperature , Transients (Dynamics) , Coolants , Graphite , Feedback

Simulations of Air and Water Ingress Transients for the Pebble Bed Modular Reactor (PBMR) by Means of the TINTE Code

Ugur Emre Sikik

HTR 2008; 431-438doi:https://doi.org/10.1115/HTR2008-58104

Abstract

View Articletitled, Simulations of Air and Water Ingress Transients for the Pebble Bed Modular Reactor (PBMR) by Means of the TINTE Code

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Topics: Engineering simulation , Simulation , Transients (Dynamics) , Water , Fuels , Pipes , Carbon capture and storage , Computational fluid dynamics , Corrosion , Graphite

Modelling Silver: Evaluation of German Experience

Hanno van der Merwe, Dirk Olivier

HTR 2008; 439-448doi:https://doi.org/10.1115/HTR2008-58105

Abstract

View Articletitled, Modelling Silver: Evaluation of German Experience

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Topics: Modeling , Silver , Fuels , Irradiation (Radiation exposure) , Diffusion (Physics) , Cycles , Heat , High temperature , Maintenance , Testing

Providing Thermal-Hydraulic Boundary Conditions to the Reactor Code TINTE Through a Flownex-TINTE Coupling

Deon Marais, Gideon P. Greyvenstein

HTR 2008; 449-457doi:https://doi.org/10.1115/HTR2008-58110

Abstract

View Articletitled, Providing Thermal-Hydraulic Boundary Conditions to the Reactor Code TINTE Through a Flownex-TINTE Coupling

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Topics: Boundary-value problems , Transients (Dynamics) , Engineering simulation , Simulation , Computational fluid dynamics , Energy conversion , Errors , Flow (Dynamics) , Pressure , Steady state

Revisiting the Concept of HTR Wallpaper Fuel

Alain Marmier, Michael A. Fu¨tterer, Kamil Tucˇek, Han de Haas, Jim C. Kuijper, Jan Leen Kloosterman

HTR 2008; 459-467doi:https://doi.org/10.1115/HTR2008-58114

Abstract

View Articletitled, Revisiting the Concept of HTR Wallpaper Fuel

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Topics: Fuels , Particulate matter , Temperature , Graphite , High temperature , Nuclear fission , Accidents , Design , Manufacturing , Neutron flux

The Re-Evaluation of the AVR Melt-Wire Experiment Using Modern Methods With Specific Focus on Bounding the Bypass Flow Effects

Carel F. Viljoen, Sonat Sen, Frederik Reitsma, Onno Ubbink, Peter Pohl, Heiko Barnert

HTR 2008; 469-479doi:https://doi.org/10.1115/HTR2008-58115

Abstract

View Articletitled, The Re-Evaluation of the AVR Melt-Wire Experiment Using Modern Methods With Specific Focus on Bounding the Bypass Flow Effects

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Topics: Flow (Dynamics) , Wire , Temperature , Computational fluid dynamics , Design , Fuels , Graphite , Modeling , Ceilings , Feedback

Optimization of a Radially Cooled Pebble Bed Reactor

B. Boer, J. L. Kloosterman, D. Lathouwers, T. H. J. J. van der Hagen, H. van Dam

HTR 2008; 481-489doi:https://doi.org/10.1115/HTR2008-58117

Abstract

View Articletitled, Optimization of a Radially Cooled Pebble Bed Reactor

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Topics: Coolants , Cooling , Design , Flow (Dynamics) , Fuel management , Fuels , Heat transfer , Optimization , Pressure drop , Temperature

Pebble Bed Modular Reactor Fuel Enrichment Discrimination Using Delayed Neutrons

R. Skoda, J. Rataj, J. Uher

HTR 2008; 491-501doi:https://doi.org/10.1115/HTR2008-58133

Abstract

View Articletitled, Pebble Bed Modular Reactor Fuel Enrichment Discrimination Using Delayed Neutrons

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Topics: Neutrons , Nuclear fuels

A Comparison Between Recent Advances in Cylindrical Nodal Diffusion Methods

David V. Colameco, Kostadin N. Ivanov, Rian H. Prinsloo, Djordje I. Tomasevic, Suzanne Theron

HTR 2008; 503-510doi:https://doi.org/10.1115/HTR2008-58136

Abstract

View Articletitled, A Comparison Between Recent Advances in Cylindrical Nodal Diffusion Methods

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Topics: Diffusion (Physics) , Errors , Dimensions , Engineering standards , Geometry , High temperature , Water

Systematic Qualification of the Coupled Neutron Transport and Thermal-Hydraulics Code DORT-TD/THERMIX

Bismark Tyobeka, Andreas Pautz, Kostadin Ivanov

HTR 2008; 511-520doi:https://doi.org/10.1115/HTR2008-58137

Abstract

View Articletitled, Systematic Qualification of the Coupled Neutron Transport and Thermal-Hydraulics Code DORT-TD/THERMIX

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Topics: Neutrons , Thermal hydraulics , Licensing , Nuclear design , Very high temperature reactors , Computers , Safety , Steady state , Transients (Dynamics)

A Second-Order Accurate Convection Heat Transfer Discretisation Scheme for a Systems Simulation Reactor Model

H. J. van Antwerpen, G. P. Greyvenstein

HTR 2008; 521-530doi:https://doi.org/10.1115/HTR2008-58158

Abstract

View Articletitled, A Second-Order Accurate Convection Heat Transfer Discretisation Scheme for a Systems Simulation Reactor Model

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Topics: Convection , Simulation , Heat transfer , Temperature , Cross section (Physics) , Dimensions , Geometry , Neutrons , Nuclear reactor coolants , Nuclear reactors

Development of the CAPP Code Based on the Finite Element Method for the Analysis of VHTR Cores

Hyun Chul Lee, Chang Keun Jo, Jae Man Noh

HTR 2008; 531-538doi:https://doi.org/10.1115/HTR2008-58169

Abstract

View Articletitled, Development of the CAPP Code Based on the Finite Element Method for the Analysis of VHTR Cores

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Topics: Finite element methods , Very high temperature reactors , Finite element analysis , Algorithms , Cross section (Physics) , Diffusion (Physics) , Neutrons , Polynomials , Finite difference methods , Geometry

Spectral Zones Determination for Pebble Bed Reactor Cores Using Diffusion Theory Spectral Indices

Ramatsemela Mphahlele, Abderrafi M. Ougouag, Kostadin N. Ivanov, Hans D. Gougar

HTR 2008; 539-551doi:https://doi.org/10.1115/HTR2008-58171

Abstract

View Articletitled, Spectral Zones Determination for Pebble Bed Reactor Cores Using Diffusion Theory Spectral Indices

PDF

Topics: Diffusion (Physics) , Currents , Dimensions , Flux (Metallurgy)

Autonomous Control Strategies for VHTR-Based Systems for Hydrogen Production

Pavel V. Tsvetkov, Ayodeji B. Alajo, David E. Ames, II

HTR 2008; 553-559doi:https://doi.org/10.1115/HTR2008-58231

Abstract

View Articletitled, Autonomous Control Strategies for VHTR-Based Systems for Hydrogen Production

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Topics: Hydrogen production , Very high temperature reactors , Cycles , Fuels , Design , Energy conversion , Geometry , Hydrogen , Modeling , Physics

CYNOD: A Neutronics Code for Pebble Bed Modular Reactor Coupled Transient Analysis

Hikaru Hiruta, Abderrafi M. Ougouag, Hans D. Gougar, Javier Ortensi, David W. Nigg, Cliff B. Davis, Walter L. Weaver, III

HTR 2008; 561-566doi:https://doi.org/10.1115/HTR2008-58255

Abstract

View Articletitled, CYNOD: A Neutronics Code for Pebble Bed Modular Reactor Coupled Transient Analysis

PDF

Topics: Feedback , Finite difference methods , Fuels , Geometry , Green's function methods , Neutrons , Simulation , Transient analysis , Transients (Dynamics)

Development of a CFD Analysis Plan for the First VHTR Standard Problem

Richard W. Johnson

HTR 2008; 567-574doi:https://doi.org/10.1115/HTR2008-58283

Abstract

View Articletitled, Development of a CFD Analysis Plan for the First VHTR Standard Problem

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Topics: Computational fluid dynamics , Turbulence , Very high temperature reactors

Pebble Bed Reactor Dust Production Model

Joshua J. Cogliati, Abderrafi M. Ougouag

HTR 2008; 575-578doi:https://doi.org/10.1115/HTR2008-58289

Abstract

View Articletitled, Pebble Bed Reactor Dust Production Model

PDF

Topics: Dust , Discrete element methods , Fuels , Simulation , Wear , Adhesives , Circuits , Coolants , Design , Dust removal

Simulation and Analysis of Helium Circulator Trip ATWS Test at Full Power on the HTR-10

Yujie Dong, Fubing Chen, Zuoyi Zhang, Shouyin Hu, Lei Shi, Yanhua Zheng, Yangping Zhou

HTR 2008; 579-590doi:https://doi.org/10.1115/HTR2008-58322

Abstract

View Articletitled, Simulation and Analysis of Helium Circulator Trip ATWS Test at Full Power on the HTR-10

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Topics: Helium , Simulation , Safety , Transients (Dynamics) , Temperature , Very high temperature reactors , Cooling , Cooling systems , Heat , Scram

Engineering, Design and Applications

Examination of Dust in AVR Pipe Components

Johannes Fachinger, Heiko Barnert, Alexander P. Kummer, Guido Caspary, Manuel Seubert, Albert Koster, Munyaradzi Makumbe, Lolan Naicker

HTR 2008; 591-602doi:https://doi.org/10.1115/HTR2008-58033

Abstract

View Articletitled, Examination of Dust in AVR Pipe Components

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Topics: Dust , Pipes , Decontamination , Bonding , Optical microscopy , Particle size , Adhesion , Circuits , Fuels , Gages

A Contribution on the Investigation of the Dynamic Behaviour of Rotating Shafts With a Hybrid Magnetic Bearing Concept (HMBC) for Blower Application

Martin Gronek, Torsten Rottenbach, Frank Worlitz

HTR 2008; 603-610doi:https://doi.org/10.1115/HTR2008-58045

Abstract

View Articletitled, A Contribution on the Investigation of the Dynamic Behaviour of Rotating Shafts With a Hybrid Magnetic Bearing Concept (HMBC) for Blower Application

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Topics: Magnetic bearings , Bearings , Rotors , Safety , Stress , Test facilities , Clearances (Engineering) , Cycles , Damage , Electromagnetic actuators

Development of a Coupling Process Heat Exchanger Between a VHTR and a Sulfur-Iodine Hydrogen Production System

Yong Wan Kim, Jae Won Park, Won Jae Lee, Jonghwa Chang

HTR 2008; 611-616doi:https://doi.org/10.1115/HTR2008-58071

Abstract

View Articletitled, Development of a Coupling Process Heat Exchanger Between a VHTR and a Sulfur-Iodine Hydrogen Production System

PDF

Topics: Heat exchangers , Hydrogen production , Sulfur , Very high temperature reactors , Pressure , Stress analysis (Engineering) , Coating processes , Coatings , Corrosion resistance , Heat

A Study on an Evaluation of Indirect Cycle Plant Systems for HTGR

Isao Minatsuki, Sunao Oyama, Yorikata Mizokami, Bernard Ballot

HTR 2008; 617-624doi:https://doi.org/10.1115/HTR2008-58087

Abstract

View Articletitled, A Study on an Evaluation of Indirect Cycle Plant Systems for HTGR

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Topics: Cycles , Very high temperature reactors , Gas turbines , Optimization , Combined cycles , Design , Gas cooled reactors , High temperature , Hydrogen production , Power conversion systems

Active Chemistry Control for Coolant Helium Applying High-Temperature Gas-Cooled Reactors

Nariaki Sakaba, Shimpei Hamamoto, Yoichi Takeda

HTR 2008; 625-631doi:https://doi.org/10.1115/HTR2008-58096

Abstract

View Articletitled, Active Chemistry Control for Coolant Helium Applying High-Temperature Gas-Cooled Reactors

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Topics: Chemistry , Coolants , Helium , Very high temperature reactors , High temperature , Carbon , Control systems , Decarburization , Heat exchangers , Heat transfer

Air Ingress Phenomena in a Depressurization Accident of the Very-High-Temperature Reactor

Tetsuaki Takeda

HTR 2008; 633-640doi:https://doi.org/10.1115/HTR2008-58099

Abstract

View Articletitled, Air Ingress Phenomena in a Depressurization Accident of the Very-High-Temperature Reactor

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Topics: Accidents , Very high temperature reactors

Development of Plant Dynamics Analysis Code for HTGR-Steam Cycle

Yorikata Mizokami, Tetsuo Saguchi, Isao Minatsuki, Dominique Petit

HTR 2008; 641-647doi:https://doi.org/10.1115/HTR2008-58100

Abstract

View Articletitled, Development of Plant Dynamics Analysis Code for HTGR-Steam Cycle

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Topics: Cycles , Dynamics (Mechanics) , Steam , Very high temperature reactors , Boilers , Control systems , Coolants , Feedwater , Flow (Dynamics) , Flow control

Turbulent Scalar Flux Models for the Mixing of Hot Gases in the Swirling Flow of High-Temperature Reactor Lower Plenums

Dominik von Lavante, Eckart Laurien

HTR 2008; 649-656doi:https://doi.org/10.1115/HTR2008-58153

Abstract

View Articletitled, Turbulent Scalar Flux Models for the Mixing of Hot Gases in the Swirling Flow of High-Temperature Reactor Lower Plenums

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Topics: Gases , High temperature , Scalars , Swirling flow , Turbulence , Geometry , Flow (Dynamics) , Modeling , Computational fluid dynamics , Optimization

Design and Analysis of Hot Internals for the Reactivity Control and Reserve Shutdown Units Under Test at the Helium Test Facility

E. J. J. Beyer, K. J. Craig

HTR 2008; 657-665doi:https://doi.org/10.1115/HTR2008-58159

Abstract

View Articletitled, Design and Analysis of Hot Internals for the Reactivity Control and Reserve Shutdown Units Under Test at the Helium Test Facility

PDF

Topics: Design , Helium , Test facilities , Pressure , Computational fluid dynamics , Radiation (Physics) , Temperature , Thermal insulation , Carbon steel , Control systems

A Technique to Simulate a Tube Break in a High-Pressure Gas/Cooling Water Heat Exchanger

H. J. van Antwerpen, E. J. Mulder

HTR 2008; 667-675doi:https://doi.org/10.1115/HTR2008-58161

Abstract

View Articletitled, A Technique to Simulate a Tube Break in a High-Pressure Gas/Cooling Water Heat Exchanger

PDF

Topics: Gas air conditioning , Heat exchangers , High pressure (Physics) , Water , Helium , Pressure , Simulation , Rupture , Brayton cycle , Computational methods

Challenges and Opportunities in Providing a Digital Protection System for the PBMR

Johan Marais, Charles F. Ridolfo

HTR 2008; 677-686doi:https://doi.org/10.1115/HTR2008-58173

Abstract

View Articletitled, Challenges and Opportunities in Providing a Digital Protection System for the PBMR

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Topics: Boron , Computer software , Computer-aided engineering , Design , Electric power generation , Engineering standards , Failure , Hydrogen production , Instrumentation , Oil sands

Proposal for an International Experimental Pebble Bed Reactor

Dawid Serfontein, Eben Mulder, Eberhard Teuchert

HTR 2008; 687-696doi:https://doi.org/10.1115/HTR2008-58174

Abstract

View Articletitled, Proposal for an International Experimental Pebble Bed Reactor

PDF

Topics: Air flow , Carbon , Construction , Coolants , Cycles , Defense industry , Design , Fibers , Flow (Dynamics) , Fuels

Design Option of Heat Exchanger for the Next Generation Nuclear Plant

Chang H. Oh, Eung S. Kim

HTR 2008; 697-707doi:https://doi.org/10.1115/HTR2008-58175

Abstract

View Articletitled, Design Option of Heat Exchanger for the Next Generation Nuclear Plant

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Topics: Design , Heat exchangers , Nuclear power stations , Very high temperature reactors , Hydrogen , Power conversion systems , Brayton cycle , Circuits , Energy conversion , Generation IV reactors

TH3D: A Three-Dimensional Thermal Hydraulic Tool for Design and Safety Analysis of HTRs

Kamal Hossain, Michael Buck, Wolfgang Bernnat, G. Lohnert

HTR 2008; 709-724doi:https://doi.org/10.1115/HTR2008-58178

Abstract

View Articletitled, TH3D: A Three-Dimensional Thermal Hydraulic Tool for Design and Safety Analysis of HTRs

PDF

Topics: Design , Safety , Fuels , Heat , Flow (Dynamics) , Nuclear engineering , Rods , Steady state , Transients (Dynamics) , Accidents

NGNP Process Heat Utilization: Liquid Metal Phase Change Heat Exchanger

Piyush Sabharwall, Mike Patterson, Vivek Utgikar, Fred Gunnerson

HTR 2008; 725-732doi:https://doi.org/10.1115/HTR2008-58197

Abstract

View Articletitled, NGNP Process Heat Utilization: Liquid Metal Phase Change Heat Exchanger

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Topics: Heat , Heat exchangers , Liquid metals

Theoretical Design of Thermosyphon for Process Heat Transfer From NGNP to Hydrogen Plant

Piyush Sabharwall, Mike Patterson, Fred Gunnerson

HTR 2008; 733-738doi:https://doi.org/10.1115/HTR2008-58199

Abstract

View Articletitled, Theoretical Design of Thermosyphon for Process Heat Transfer From NGNP to Hydrogen Plant

PDF

Topics: Design , Heat , Heat transfer , Hydrogen , Hydrogen production , Vapors , Compressors , Condensed matter , Pumps , Alkali metals

Evolution of Near Term PBMR Steam and Cogeneration Applications

Reiner W. Kuhr, Ryan Hannink, Keith Paul, Willem Kriel, Renee Greyvenstein, Roger Young

HTR 2008; 739-743doi:https://doi.org/10.1115/HTR2008-58219

Abstract

View Articletitled, Evolution of Near Term PBMR Steam and Cogeneration Applications

PDF

Topics: Combined heat and power , Steam , Carbon dioxide , Design , Temperature , Nuclear reactors , Safety , Boilers , Brayton cycle , Coal

VHTR-Based Systems for Autonomous Co-Generation Applications

Pavel V. Tsvetkov, David E. Ames, II, Ayodeji B. Alajo, Tom G. Lewis, III

HTR 2008; 745-753doi:https://doi.org/10.1115/HTR2008-58228

Abstract

View Articletitled, VHTR-Based Systems for Autonomous Co-Generation Applications

PDF

Topics: Combined heat and power , Very high temperature reactors , Heat , Fuels , Central heating , Electric power generation , Energy conversion , High temperature , Hydrogen production , Low temperature

Evaluation of a Vessel Cooling System for the VHTR

Min-Hwan Kim, Won-Jae Lee, Matt Richards

HTR 2008; 755-756doi:https://doi.org/10.1115/HTR2008-58260

Abstract

View Articletitled, Evaluation of a Vessel Cooling System for the VHTR

PDF

Topics: Cooling systems , Very high temperature reactors , Vessels , Temperature , Coolants , Steel , Design , Light water reactors , Accidents , Alloy steel

Parametric Assessments of High-Pressure and Low-Pressure Conduction Cooldown Events for the VHTR

Nobumasa Tsuji, Masaaki Nakano, Matt Richards

HTR 2008; 757-766doi:https://doi.org/10.1115/HTR2008-58271

Abstract

View Articletitled, Parametric Assessments of High-Pressure and Low-Pressure Conduction Cooldown Events for the VHTR

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Topics: Heat conduction , High pressure (Physics) , Pressure , Very high temperature reactors , Accidents , Coolants , Heat , Temperature , Vessels , Cavities

Ways to Increase Efficiency of the HTGR Coupled With the Gas-Turbine Power Conversion Unit

V. F. Golovko, N. G. Kodochigov, A. V. Vasyaev, A. Shenoy, C. B. Baxi

HTR 2008; 767-771doi:https://doi.org/10.1115/HTR2008-58274

Abstract

View Articletitled, Ways to Increase Efficiency of the HTGR Coupled With the Gas-Turbine Power Conversion Unit

PDF

Topics: Energy conversion , Gas turbines , Very high temperature reactors , Helium , Cycles , Heat , Electric power generation , Temperature , Steam , High temperature

Performance Comparison of VHTR Plants With Direct and Indirect Energy Conversion Cycles

Mohamed S. El-Genk, Jean-Michel Tournier

HTR 2008; 773-782doi:https://doi.org/10.1115/HTR2008-58276

Abstract

View Articletitled, Performance Comparison of VHTR Plants With Direct and Indirect Energy Conversion Cycles

PDF

Topics: Cycles , Energy conversion , Very high temperature reactors , Cooling , Fluids , Temperature , Turbomachinery , Brayton cycle , Compressors , Helium

On Eliminating ‘Hot Streaking’ and Stratification in the VHTR Lower Plenum Using Helicoid Inserts

Sal B. Rodriguez, Mohamed S. El-Genk

HTR 2008; 783-791doi:https://doi.org/10.1115/HTR2008-58292

Abstract

View Articletitled, On Eliminating ‘Hot Streaking’ and Stratification in the VHTR Lower Plenum Using Helicoid Inserts

PDF

Topics: Very high temperature reactors , Helium , Flow (Dynamics) , Coolants , High temperature , Temperature , Turbulence , Chemically reactive flow , Finite element analysis , Heat capacity

Advanced High Temperature Gas-Cooled Reactor Systems

Yasuyoshi Kato

HTR 2008; 793-800doi:https://doi.org/10.1115/HTR2008-58324

Abstract

View Articletitled, Advanced High Temperature Gas-Cooled Reactor Systems

PDF

Topics: Very high temperature reactors , Cycles , Supercritical carbon dioxide , Gas turbines , Flow (Dynamics) , Temperature , Turbines , Power conversion systems , Fuels , Pressure drop

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