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In this paper, CFD simulation of evaporative cooling pad, which is one kind of structured packing, has been carried out in Liquid Desiccant Dehumidification System (LDDS). Dry pressure drop and liquid distribution of two types of evaporative cooling pad are simulated and validated by the experimental data and Nusselt formula. For conducting the simulation, micro-scale representative element of evaporative...
In this paper, 5 key geometrical factors: the area ratio between the nozzle and constant-area section, nozzle exit position, diverging angle of nozzle, converging angle of mixing section and the length of constant-area section and different back pressures are considered to investigate the ejector performance under 209 working conditions with CFD model which is calibrated by experimental data. It is...
Computational fluid dynamics (CFD) technique is employed to study the performance of ejector in the fuel delivery line of polymer electrolyte membrane (PEM) fuel cell system. Four different ejector geometries are established and tested under 34 different working conditions. It is found that the humidity at the ejector exit increases with the pressure ratio alphaP at first then decreases with it. The...
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