B. xiao, G. Wang, Y. Rong, Worcester Polytechnic Institute, Worcester, MA
In high pressure hydrogen quenching process, one of the vital aspects is the availability of high cooling rate in industrial production, which heavily depends on the gas pressure and speed around parts. In this paper, the effects of gas pressure and speed were studied by CFD simulation, which was also compared to experimental measurements. Thus a relationship was established between the cooling rate and gas pressure and speed.
Summary: Because of the low distortion and environmental friendship, the high pressure hydrogen quenching technology is being developed and applied widely. Comparing with oil quenching or water quenching, the process designers have much concern on the available cool rate in industrial production, which heavily depends on the gas pressure and speed around parts. In this paper, the effects of gas pressure and speed were studied by CFD simulation, which is also verified by experiments. Thus a relationship was established between the cooling rate and gas pressure and speed. After verification by more experiments the relationship could help to determine the process design.
