Analysis and Numerical Simulation of Liquid Krypton Flow Resistance in Membrane Channel Gas-liquid Acquisition Device
In order to meet the requirements of gas-liquid separation of cryogenic propellant in space environment,for the problem of cryogenic liquid-krypton propellant acquisition and transmission in orbit,a theoretical prediction model is es-tablished to obtain the bubble-point pressure of liquid-krypton in saturated state of 120 K flowing in 325×2300 Dutch twill woven mesh.The influence laws of different cryogenic fluids,channel widths,and mass flow rates on the over-the-network pressure drop are comparatively analyzed.The pressure drop distributions of liquid-krypton flowing in the channel are ob-tained.The pressure drop distribution of liquid-krypton flow in the channel is obtained,and the model is verified by the pres-sure drop test data of liquid hydrogen over the network.The numerical simulation model of liquid krypton single-channel flow is established,which can better predict the pressure loss across the network.
NETL
NSTL
万方数据
维普
