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Keywords: turbine
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Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A018, June 13–17, 2022
Paper No: GT2022-82137
... turbine tip leakage flow multi-scale flow the mixing coefficient the mixing mechanism Abstract The tip leakage loss of freestanding turbine rotor with transonic flow conditions is one of the important sources of the internal loss of high-pressure turbine. It mainly includes...
Proceedings Papers

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A028, June 13–17, 2022
Paper No: GT2022-82760
... Abstract The creep fracture life of turbine blades is a limitation of the whole engine life because of its high operating temperature. Thus, developing an analysis approach of creep damage based on complex service history is of significant importance for the safe operation and economic overhaul...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A003, June 13–17, 2022
Paper No: GT2022-79398
... Abstract Among the heat to power cycles the historically first successful technologies used cycles with steam expansion machines in its core. In the first phase as of the eighteenth century, reciprocating steam engines dominated. As of 1890 steam turbines were developed, which replaced...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A005, June 13–17, 2022
Paper No: GT2022-79662
... Abstract Practically, a gas-turbine engine’s first-stage nozzle guide vane (NGV) must operate under extreme conditions induced by high temperatures from burned gases, causing severe damage to the vane, such as cracks or fatigue failures. As a result, the first stage NGV’s lifespan is shortened...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A004, June 13–17, 2022
Paper No: GT2022-80150
... turbocharger turbine pulsation Abstract The pulsating nature of automotive internal combustion engines (ICE) is one of the main challenges in the modeling of turbochargers in process simulation. Radial compressors and turbines are characterized by maps containing parameters...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A016, June 13–17, 2022
Paper No: GT2022-82463
... turbocharger turbine isentropic efficiency experimental internal combustion engine Abstract Turbocharging plays a key role not only in improving automotive engine performance, but also in reducing fuel consumption and exhaust emissions for Spark Ignition and diesel engines. In depth...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A018, June 13–17, 2022
Paper No: GT2022-82822
... the system efficiency of the PEMFC, the energy of the fuel cell exhaust gas at the cathode side can be recovered with a turbine and partially drive the compressor to save part of the power needed by the electric motor. To evaluate the potential capability of the PEMFC exhaust gas recovery, detailed insights...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A012, June 13–17, 2022
Paper No: GT2022-82300
... Abstract Abradable seals are a common technology employed to improve turbine engine performance by reducing the gap between blades and the casing in compressor and turbine stages. Because operating conditions and material requirements vary significantly as a function of turbine stage...
Proceedings Papers

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A008, June 13–17, 2022
Paper No: GT2022-83372
... Abstract We propose an automated physics discovery algorithm for turbine component damage modeling. Our algorithm utilizes operational data of a mechanical component and discovers an interpretable symbolic formula that describes the physics. We illustrate our algorithm through two numerical...
Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A021, June 13–17, 2022
Paper No: GT2022-83257
... inflow expander labyrinth seal transient computational fluid dynamic analysis CFD rotordynamic force coefficients cross-coupled stiffness swirl brake anti-swirl vanes turbine Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A004, June 13–17, 2022
Paper No: GT2022-82128
.... Tomasello, A. Andreini, T. Bacci, B. Facchini Department of Industrial Engineering University of Florence Florence, Italy stellagrazia.tomasello@unifi.it S. Cubeda, L. Andrei Baker Hughes Florence, Italy simone.cubeda@bakerhughes.com ABSTRACT The employment of lean-premix combustors in modern gas turbines...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A005, June 13–17, 2022
Paper No: GT2022-82139
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82139 NUMERICAL STUDY OF COMBUSTOR-TURBINE INTERACTION BY USING HYBRID RANS-LES APPROACH S.G.Tomasello, A.Andreini Department of Industrial Engineering...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A017, June 7–11, 2021
Paper No: GT2021-60326
... design relies on matching the compressor and truck engine. The first study demonstrates how the programs are turbine performance to the engine requirements so that used to evaluate an existing engine and reverse engineer an parameters such as boost and back pressure, compressor existing turbocharger...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A006, June 7–11, 2021
Paper No: GT2021-59042
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59042 GT26 2006 TURBINE STAGE 1 BLADE RECONDITIONING DEVELOPMENT AND QUALIFICATION AT ANSALDO REPAIR CENTRE Elisa Mela* Federico Fignino Alessio Gabrielli Paola...
Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A012, June 7–11, 2021
Paper No: GT2021-59736
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59736 COMBINATION OF TURBOCHARGER AND INDUSTRIAL TECHNOLOGIES FOR THE DEVELOPMENT OF AN IMPROVED MIXED-FLOW TURBINE DESIGN Holger Franz1, Jens Niewöhner1, Stefan...
Proceedings Papers

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A012, June 7–11, 2021
Paper No: GT2021-59418
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59418 A METHOD OF SOLVING THREE TEMPERATURE PROBLEM OF TURBINE WITH ADIABATIC WALL TEMPERATURE Zeyu Wu, Xiang Luo, Jianqin Zhu, Zhe Zhang, Jiahua Liu School...
Proceedings Papers

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A005, June 7–11, 2021
Paper No: GT2021-58711
... Kapilavai Evendale, OH GE Research Niskayuna, NY ABSTRACT Keywords: LES, high-order, wall-resolved, turbine, Engineers performing computational simulations of flow turbulence, aircraft engine, HPC, unstructured grids, GPU physics are often faced with a trade-off between turn-around time and accuracy. High...
Proceedings Papers

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A015, June 7–11, 2021
Paper No: GT2021-59535
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59535 STEAM TURBINE CASING ANALYSES TO DETERMINE PRESSURE AND TEMPERATURE LIMITS Paul T. Smith Daniel J. Griffin Elliott Group, Ebara Corp Design Automation...
Proceedings Papers

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A009, June 7–11, 2021
Paper No: GT2021-60301
... in modifying an existing design, determining a proper off-design operation RJ,RB,RP Radii (mm) of journal, bearing and pad curvature range, and investigating rotordynamic issues. U(t) Transformed excitation force vector Key Words: Rotordynamics, Vibration, Stability, Turbine, U Right eigen vector matrix...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A001, September 21–25, 2020
Paper No: GT2020-14186
... Felice Matteucci 2, 50127 Firenze (FI), Italy simone.cubeda@bhge.com 2University of Florence, via di Santa Marta 3, 50139 Firenze (FI), Italy bruno.facchini@htc.unifi.it ABSTRACT Modern industrial gas turbines typically employ lean- premix combustors, which can limit pollutant emissions thanks...