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Efficient and accurate computations of all-speed cryogenic two-phase flows around turbopump inducer
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- Authors
- Issue Date
- 2013-05
- Publisher
- 한국산업응용수학회(KSAM)
- Citation
- 한국산업응용수학회 학술대회 논문집, Vol.8 No.1, pp. 191-194
- Keywords
- 공학
- Abstract
- The present paper deals with a numerical method for all-speed cryogenic cavitating flows in turbopump inducer. Recently, we have developed an accurate and efficient baseline numerical scheme for the computations of all-speed two-phase flows. By extending such progress, we conduct some modification of preconditioning technique and propose an accurate and efficient numerical method to deal with the computations of cryogenic two-phase flows. To verify pressure and temperature depression effect in cryogenic cavitation, we carry out numerical simulations of cryogenic cavitation flows around hydrofoil. Compared with Hords experimental data, computed results are turned out to be quite satisfactory. Finally, numerical simulations of KARI turbopump inducer are carried out under various flow conditions with water and cryogenic fluids, and we examine the differences in inducer flow physics depending on the working fluids.
- ISSN
- 1975-387X
- Language
- English
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