Compressor in air supply circuit influences flow rate of oxygen in cathode of polymer
electrolyte membrane (PEM) fuel cell systems. In this paper, an air-cooled dry oil-free twin …

This work presents mathematical modelling of moist air condensation process in a fuel cell
turbine. A condensation model based on the classical nucleation theory and the Hertz …

Reducing the power consumption of the air supply system has become one of the bottleneck
problems for developing PEMFCs. This paper proposes the two-phase expansion of air and …

Turbines can recover energy from the exhaust streams of proton exchange membrane fuel
cells to reduce the parasitic power consumption of compressors. This helps improve the fuel …

Fuel cell systems are considered to be one of the best alternative power sources for
automobiles to replace internal combustion engines. For the Proton Exchange Membrane …

A turbine with variable geometry can fully recover energy from the fuel cell exhaust gas and
effectively reduce parasitic power consumption of the compressor. In this study, an electric …

Spatial flow field velocities within the discharge cavity of an optical screw compressor have
been measured using LDV and PIV techniques. Angle-resolved velocities were obtained …

The reduction in the power cost of air supply systems has emerged as a critical challenge in
the development of polymer electrolyte membrane fuel cells. This study proposes the use of …

Twin-screw expanders extend their application and become more and more favored in fuel
cells. For twin-screw expanders in fuel cells, pressure loss is a key factor to affect their …

An effective and efficient CFD simulation is of high importance to accelerate the design
activities of twin screw machines. However, mesh generation for screw machines with large …