An investigation of a cavitating venturi flow control feature in a cryogenic propellant delivery system |
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| Affiliation: | 1. School of Energy, Power and Mechanical Engineering, North China Electric Power University, Changping District, Beijing 102206, China;2. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Haidian District, Beijing 100190, China;1. Marine Engineering College, Dalian Maritime University, Dalian 116026, China;2. Environmental Engineering Institute, School of Science, Dalian Maritime University, China;3. College of the Environment and Ecology, Xiamen University, Xiamen 361005, China;4. Xiamen Water Group Co., Ltd., Xiamen 361008, China;1. Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou, 310027, PR China;2. SUFA Technology Industry Co., Ltd., CNNC, Suzhou, 215129, PR China;3. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, PR China |
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| Abstract: | This study details the design and performance characterization for a cryogenic cavitating venturi. This flow control system is intended for mass flow regulation of cryogenic propellants, such as liquid oxygen and liquid methane, in reaction control propulsion systems. Through in situ flow tests, the discharge coefficient for the venturi was calculated and utilized to determine the mass flow rate for specified inlet pressures of the propellants. The test results revealed that the cavitating venturi indeed performed as a flow rate control feature in both liquid water and LCH4 flow under a steady state operating within pressure ratios below 0.69. |
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| Keywords: | Cavitating venturi Flow control Cryogenics Liquid oxygen Liquid methane Reaction control thruster |
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