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Proceedings Papers

Parametric Study of SLM Processing Parameters on In-Situ Residual Stress

Emmanuel Duodu Amoako, Patrick Mensah, Stephen Akwaboa, Samuel Ibekwe, Guoqiang Li
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T10A006, July 14–17, 2019
Paper No: HT2019-3623
DOI: https://doi.org/10.1115/HT2019-3623
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Topics: Additive manufacturing, Finite element methods, Lasers, Melting, Stress
Proceedings Papers

Pressure and Thermophysical Property of Gas Dependence of Effective Thermal Conductivity of a Porous Silica Insulator

Redeemer Nutsugah, Patrick Mensah, Stephen Akwaboa, Michael Martin
Proc. ASME. IMECE2015, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A051, November 13–19, 2015
Paper No: IMECE2015-53011
DOI: https://doi.org/10.1115/IMECE2015-53011
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Topics: Pressure, Thermal conductivity, Nitrogen, Carbon dioxide, Errors, Insulation, Porous materials, Steady state, Testing, Uncertainty
Proceedings Papers

Study of Heat Transfer in a Thermal Barrier Coatings System Using the Dual Phase Lag Model Based on Mean Value Finite Volume Method

Stephen Akwaboa, Patrick Mensah, Yusuf Dag
Proc. ASME. IMECE2013, Volume 8A: Heat Transfer and Thermal Engineering, V08AT09A049, November 15–21, 2013
Paper No: IMECE2013-66060
DOI: https://doi.org/10.1115/IMECE2013-66060
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Topics: Finite volume methods, Heat transfer, Thermal barrier coatings
Proceedings Papers

Numerical Analysis of Dual-Phase-Lag Heat Transfer in a Micro-Scale Thermal Barrier Coating With an Interfacial Resistance

Stephen Akwaboa, Patrick Mensah
Proc. ASME. MNHMT2013, ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T10A007, December 11–14, 2013
Paper No: MNHMT2013-22269
DOI: https://doi.org/10.1115/MNHMT2013-22269
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Topics: Finite volume methods, Heat transfer, Interfacial thermal resistance, Microscale devices, Numerical analysis, Thermal barrier coatings, Thermal conductivity
Proceedings Papers

Modeling of Thermally Grown Oxide Layer Growth as a Moving Boundary Problem

Michael Benissan, Stephen Akwaboa, Amitava Jana, Patrick Mensah
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T14A019, July 14–19, 2013
Paper No: HT2013-17505
DOI: https://doi.org/10.1115/HT2013-17505
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Topics: Algebra, Blades, Ceramics, Combustion gases, Cooling, Durability, Energy conversion, Failure, Finite volume methods, Gas turbines
Proceedings Papers

Experimental Measurement of Nusselt Number Correlations on Flat Plate and NACA 0010 Section Surfaces

Michael Benissan, Stephen Akwaboa, Patrick Mensah
Proc. ASME. HT2012, Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer, 809-818, July 8–12, 2012
Paper No: HT2012-58340
DOI: https://doi.org/10.1115/HT2012-58340
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Topics: Airfoils, Flat plates, Reynolds number, Turbulence, Wind tunnels, Cylinders, Temperature, Circuits, Cross-flow, Engines
Journal Articles

Thermal Modeling and Analysis of a Thermal Barrier Coating Structure Using Non-Fourier Heat Conduction

Stephen Akwaboa, Patrick Mensah, Ebubekir Beyazouglu, Ravinder Diwan
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. November 2012, 134(11): 111301.
DOI: https://doi.org/10.1115/1.4006976
Published Online: September 28, 2012
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Topics: Finite volume methods, Heat conduction, Heat flux, Relaxation (Physics), Stability, Temperature, Temperature distribution, Thermal barrier coatings, Thermal conductivity, Thermal diffusivity
Proceedings Papers

Effects of Thermal Radiation on Air Plasma Spray (APS) Coated Gas Turbine Blade

Stephen Akwaboa, Patrick Mensah, Ravinder Diwan
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 627-633, June 14–18, 2010
Paper No: GT2010-23660
DOI: https://doi.org/10.1115/GT2010-23660
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Topics: Blades, Gas turbines, Plasmas (Ionized gases), Sprays, Thermal barrier coatings, Thermal radiation, Radiation (Physics), Temperature distribution, Metals, Oxidation
Proceedings Papers

Interfacial Kinetics of High Temperature Oxidation in YSZ Thermal Barrier Coatings With Bond Coatings of NiCoCrAlY With 0.25% Hf

Winston Soboyejo, Patrick Mensah, Ravinder Diwan
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 2055-2062, November 13–19, 2009
Paper No: IMECE2009-11556
DOI: https://doi.org/10.1115/IMECE2009-11556
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Topics: Coatings, High temperature, Oxidation, Thermal barrier coatings
Proceedings Papers

Comparison of Cyclic Oxidation Performance of APS and EBPVD Processed TBCs on In738 With a Bond Coat of NiCoCrAlY Powder With 0.25% Hf

Stephen Akwaboa, Monica B. Silva, Patrick Mensah, Ravinder Diwan, Douglas E. Wolfe, Shengmin Guo
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 2063-2068, November 13–19, 2009
Paper No: IMECE2009-11901
DOI: https://doi.org/10.1115/IMECE2009-11901
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Topics: Oxidation, Porosity, Thermal barrier coatings, Thermal conductivity, Thermal diffusivity, Turbines, Coatings, Gas turbines, Lasers, Cathode ray oscilloscopes
Proceedings Papers

Simulations of Dimensional Effects in Solid Oxide Fuel Cells

A. B. Mahmud Hasan, Srinath V. Ekkad, Patrick Mensah
Proc. ASME. HT2005, Heat Transfer: Volume 4, 11-16, July 17–22, 2005
Paper No: HT2005-72394
DOI: https://doi.org/10.1115/HT2005-72394
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Topics: Engineering simulation, Simulation, Solid oxide fuel cells, Fuel cells, Anodes, Computer software, Current density, Design, Electric potential, Flow (Dynamics)