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Computations of Cryogenic Cavitating Flows around Turbopump Inducer

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Authors
Kim, Hyeongjun; Min, Daeho; Kim, Chongam
Issue Date
2014-07-14
Publisher
ICCFD
Citation
The Eighth International Conference on Computational Fluid Dynamics (ICCFD8),
Chengdu, Sichuan, China, July 14-18, 2014
Keywords
공학Cryogenic CavitationAll-speed Two-phase FlowsThermal EffectTurbopump Inducer Simulation
Abstract
This paper deals with the numerical computations of cryogenic cavitating flows around turbopump inducer in liquid rocket. The baseline numerical fluxes for the computations of all-speed two-phase flows (two-phase RoeM and AUSMPW+ schemes) are extended for treating general equation of states, and improved preconditioning techniques are developed for robust and efficient computations in low-speed region. As a validation step for such progress, cryogenic cavitating flows around hydrofoil and ogive are computed. Finally, numerical simulations of three-dimensional KARI turbopump inducer are carried out under various flow conditions with water and cryogenic fluids, and the difference in inducer flow physics depending on the working fluids are examined.
Language
English
URI
http://hdl.handle.net/10371/93275
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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