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Stephen Akwaboa
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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
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3623
https://doi.org/10.1115/HT2019-3623
View Paper titled, Parametric Study of SLM Processing Parameters on In-Situ Residual Stress
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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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-53011
https://doi.org/10.1115/IMECE2015-53011
View Paper titled, Pressure and Thermophysical Property of Gas Dependence of Effective Thermal Conductivity of a Porous Silica Insulator
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Topics: Pressure, Thermal conductivity, Nitrogen, Carbon dioxide, Errors, Insulation, Porous materials, Steady state, Testing, Uncertainty
Proceedings Papers

Engine Performance and Emission Products of Pure Diesel and Multi-Feedstock Blended Biodiesel

Kosgei Belion, Patrick F. Mensah, Stephen Akwaboa, Eyassu Woldesenbet, Michael Stubblefield, Albert Adjaottor
Proc. ASME. IMECE2014, Volume 6A: Energy, V06AT07A076, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-40349
https://doi.org/10.1115/IMECE2014-40349
View Paper titled, Engine Performance and Emission Products of Pure Diesel and Multi-Feedstock Blended Biodiesel
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Topics: Biodiesel, Diesel, Emissions, Engines, Feedstock, Carbon dioxide, Nitrogen oxides, Diesel engines, Fuels, Torque
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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-66060
https://doi.org/10.1115/IMECE2013-66060
View Paper titled, Study of Heat Transfer in a Thermal Barrier Coatings System Using the Dual Phase Lag Model Based on Mean Value Finite Volume Method
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Topics: Finite volume methods, Heat transfer, Thermal barrier coatings
Proceedings Papers

Parallel Molecular Dynamics Simulations and Immersive Visualization of Thermal Barrier Coating Components: Thermally Growing Oxide and Yttria Stabilized Zirconia

Sanjay Kodiyalam, Michael Benissan, Stephen Akwaboa, Patrick F. Mensah, Amitava Jana, Diola Bagayoko
Proc. ASME. IMECE2013, Volume 8C: Heat Transfer and Thermal Engineering, V08CT09A021, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-66625
https://doi.org/10.1115/IMECE2013-66625
View Paper titled, Parallel Molecular Dynamics Simulations and Immersive Visualization of Thermal Barrier Coating Components: Thermally Growing Oxide and Yttria Stabilized Zirconia
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Topics: Molecular dynamics simulation, Thermal barrier coatings, Visualization, Atoms, Engineering simulation, Oxygen, Simulation, Thermal expansion, Diffusion (Physics), Dynamics (Mechanics)
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
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2013-22269
https://doi.org/10.1115/MNHMT2013-22269
View Paper titled, Numerical Analysis of Dual-Phase-Lag Heat Transfer in a Micro-Scale Thermal Barrier Coating With an Interfacial Resistance
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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
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17505
https://doi.org/10.1115/HT2013-17505
View Paper titled, Modeling of Thermally Grown Oxide Layer Growth as a Moving Boundary Problem
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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
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58340
https://doi.org/10.1115/HT2012-58340
View Paper titled, Experimental Measurement of Nusselt Number Correlations on Flat Plate and NACA 0010 Section Surfaces
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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: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. November 2012, 134(11): 111301.
https://doi.org/10.1115/1.4006976
Published Online: September 28, 2012
View Article titled, Thermal Modeling and Analysis of a Thermal Barrier Coating Structure Using Non-Fourier Heat Conduction
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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

High Temperature Endurance of FRP Composites With Polymeric Thermal Barrier Coatings

Edwin Igiede, Patrick F. Mensah, Stephen Akwaboa
Proc. ASME. IMECE2010, Volume 3: Design and Manufacturing, Parts A and B, 273-279, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40720
https://doi.org/10.1115/IMECE2010-40720
View Paper titled, High Temperature Endurance of FRP Composites With Polymeric Thermal Barrier Coatings
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Topics: Composite materials, Fiber reinforced plastics, High temperature, Pipes, Polymer composites, Temperature, Thermal barrier coatings, Heat transfer, Heat flux, Internal energy (Physics)
Proceedings Papers

A Comparison Study of Heat Transfer Through Electron Beam Physical Vapor Deposition (EBPVD) and Air Plasma Sprayed (APS) Coated Gas Turbine Blades

Stephen Akwaboa, Patrick F. Mensah
Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 5, 249-255, August 8–13, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IHTC14-22961
https://doi.org/10.1115/IHTC14-22961
View Paper titled, A Comparison Study of Heat Transfer Through Electron Beam Physical Vapor Deposition (EBPVD) and Air Plasma Sprayed (APS) Coated Gas Turbine Blades
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Topics: Blades, Cathode ray oscilloscopes, Electron beams, Gas turbines, Heat transfer, Plasmas (Ionized gases), Porosity, Thermal barrier coatings, Vapor deposition, Temperature
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23660
https://doi.org/10.1115/GT2010-23660
View Paper titled, Effects of Thermal Radiation on Air Plasma Spray (APS) Coated Gas Turbine Blade
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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

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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-11901
https://doi.org/10.1115/IMECE2009-11901
View Paper titled, Comparison of Cyclic Oxidation Performance of APS and EBPVD Processed TBCs on In738 With a Bond Coat of NiCoCrAlY Powder With 0.25% Hf
Open the PDF for Comparison of Cyclic Oxidation Performance of APS and EBPVD Processed TBCs on In738 With a Bond Coat of NiCoCrAlY Powder With 0.25% Hf in another window
Topics: Oxidation, Porosity, Thermal barrier coatings, Thermal conductivity, Thermal diffusivity, Turbines, Coatings, Gas turbines, Lasers, Cathode ray oscilloscopes