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Keywords: fuel cell
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Proceedings Papers

Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A005, November 1–5, 2021
Paper No: IMECE2021-72603
...Abstract Abstract Low-temperature fuel cells have the potential to be used in portable and automotive applications, and the direct-methanol fuel cell is a good candidate for such applications as the fuel is in the liquid phase, making it easy to store and handle. Active direct-methanol fuel...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A006, November 1–5, 2021
Paper No: IMECE2021-72922
...Abstract Abstract Solid-oxide fuel cell (SOFC) are among the highest types of fuel cells in terms of efficiency, reaching as high as 65%. However, poor mechanical robustness and thermal cycling stability are the major disadvantages of these fuel cells due to high thermal stresses between layers...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 8A: Energy, V08AT08A038, November 1–5, 2021
Paper No: IMECE2021-69786
... system (EGSIS) to generate nitrogen enriched air (NEA) for fuel tank inerting. EGSIS is an externally powered device that functionally combines a polymer electrolyte membrane (PEM) fuel cell cathode with a PEM electrolyzer anode. Water management is important in such a PEM-based system because proton...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A067, November 11–14, 2019
Paper No: IMECE2019-12018
...Abstract Abstract The present experimental study aims to determine the effect of two different gas diffusion layers in the performance of a 5-cm 2 proton exchange membrane (PEM) fuel cell. The gas diffusion layers consisted of a carbon cloth gas diffusion (GDL-CT) and a non-woven carbon paper...
Proceedings Papers

Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 875-881, November 12–18, 2010
Paper No: IMECE2010-37437
... 01 05 2012 Fuel cells, currently being developed for automotive and stationary applications, require a supply of pressurized air at about 3 bars abs. This is expelled in the reaction products, mainly as water steam and nitrogen, at approximately 100 °C. The power input required...
Proceedings Papers

Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 945-953, November 12–18, 2010
Paper No: IMECE2010-39672
... 01 05 2012 The present study is concerned with the dynamic behavior of the liquid water droplets in the water removal process in the serpentine channels of a PEM fuel cell based on computational fluid dynamic (CFD) simulation. The volume of fluid (VOF) model is adopted to trace...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 8: Energy Systems: Analysis, Thermodynamics and Sustainability; Sustainable Products and Processes, 741-749, October 31–November 6, 2008
Paper No: IMECE2008-68933
... with steam injection, aero- derivative gas turbines potentially reach LHV efficiencies of 55% to 58% .The purpose of the present paper is to compare initially the performance of a stand alone fuel cell with a stand LHV efficiency and remained insensitive to ambient temperature and elevation changes...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 473-481, November 11–15, 2007
Paper No: IMECE2007-43229
... 26 05 2009 This work focuses on modeling and performance evaluation of an anodic re-circulation system including ejector technology, pre-reformer and solid oxide fuel cells (SOFC). An improved one-dimensional dynamic model of a simple tubular SOFC cycle components in the engineering...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1381-1389, November 11–15, 2007
Paper No: IMECE2007-41419
... 26 05 2009 Water management is of critical importance in a proton exchange membrane (PEM) fuel cell. Yet there are very limited studies of water transfer through the membrane and no data are available for water transfer due to individual mechanisms through the membrane electrode...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 15: Sustainable Products and Processes, 35-51, November 11–15, 2007
Paper No: IMECE2007-43427
... and compared to the 1-D simulation results. Using the results of PWS measurement at the test bench and the 1-D simulation the usage of PWS in fuel cell applications is discussed, as well. This work results from the collaboration between Josef Bozˇek Research Center and Renault SA. 1-D code simulation...
Proceedings Papers

Proc. ASME. IMECE2005, Heat Transfer, Part B, 365-369, November 5–11, 2005
Paper No: IMECE2005-82467
... 31 01 2008 On-board hydrogen generation from hydrocarbon fuels, such as methanol, natural gas, gasoline and diesel, etc., will be technically feasible in the near future for fuel cell powered vehicles. Among all the fuel processing methods, steam reforming is considered as the most...
Proceedings Papers

Proc. ASME. IMECE2006, Dynamic Systems and Control, Parts A and B, 1137-1145, November 5–10, 2006
Paper No: IMECE2006-14587
... of this proposed method is highlighted by two examples. The first example demonstrates the proposed efficient scaling methodology on a simple two-degree-of-freedom mass-spring-damper system. The second example uses the developed methodology to scale a fuel cell stack's air supply system design for a new set...