TY - GEN

T1 - Steady analysis of thermodynamic effect of partial cavitation using singularity method

AU - Watanabe, Satoshi

AU - Hidaka, Tatsuya

AU - Horiguchi, Hironori

AU - Furukawa, Akinori

AU - Tsujimoto, Yoshinobu

PY - 2005

Y1 - 2005

N2 - It is well known that the suction performance of turbopumps in cryogenic fluids is much better than that in cold water because of thermodynamic effect of cavitation. In the present study, an analytical method to simulate partially cavitating flow with the thermodynamic effect in a cascade is proposed; heat transfer between the cavity and the ambient fluid is modeled by one-dimensional unsteady heat conduction model under the slender body approximation and is coupled with a flow analysis using singularity methods. In this report, the steady analysis is performed and the results are compared with those of experiments to validate the model of the present analysis. This analysis can be easily extended into unsteady stability analysis for cavitation instabilities such as rotating cavitation and cavitation surge.

AB - It is well known that the suction performance of turbopumps in cryogenic fluids is much better than that in cold water because of thermodynamic effect of cavitation. In the present study, an analytical method to simulate partially cavitating flow with the thermodynamic effect in a cascade is proposed; heat transfer between the cavity and the ambient fluid is modeled by one-dimensional unsteady heat conduction model under the slender body approximation and is coupled with a flow analysis using singularity methods. In this report, the steady analysis is performed and the results are compared with those of experiments to validate the model of the present analysis. This analysis can be easily extended into unsteady stability analysis for cavitation instabilities such as rotating cavitation and cavitation surge.

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M3 - Conference contribution

AN - SCOPUS:28844499048

SN - 0791841987

SN - 9780791841983

T3 - Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference

SP - 567

EP - 573

BT - Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005

T2 - 2005 ASME Fluids Engineering Division Summer Conference

Y2 - 18 June 2005 through 22 June 2005

ER -