Steady analysis of thermodynamic effect of partial cavitation using singularity method

Satoshi Watanabe; Tatsuya Hidaka; Hironori Horiguchi; Akinori Furukawa; Yoshinobu Tsujimoto

Steady analysis of thermodynamic effect of partial cavitation using singularity method

Satoshi Watanabe, Tatsuya Hidaka, Hironori Horiguchi, Akinori Furukawa, Yoshinobu Tsujimoto

Fluids Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

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.

Original language	English
Title of host publication	Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005
Pages	567-573
Number of pages	7
Publication status	Published - 2005
Event	2005 ASME Fluids Engineering Division Summer Conference - Houston, TX, United States Duration: Jun 19 2005 → Jun 23 2005

Publication series

Name	Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference
Volume	2

Other

Other	2005 ASME Fluids Engineering Division Summer Conference
Country	United States
City	Houston, TX
Period	6/19/05 → 6/23/05

All Science Journal Classification (ASJC) codes

Engineering(all)

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Watanabe, S., Hidaka, T., Horiguchi, H., Furukawa, A., & Tsujimoto, Y. (2005). Steady analysis of thermodynamic effect of partial cavitation using singularity method. In Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005 (pp. 567-573). [FEDSM2005-77387] (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference; Vol. 2).

Steady analysis of thermodynamic effect of partial cavitation using singularity method. / Watanabe, Satoshi; Hidaka, Tatsuya; Horiguchi, Hironori; Furukawa, Akinori; Tsujimoto, Yoshinobu.

Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005. 2005. p. 567-573 FEDSM2005-77387 (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Watanabe, S, Hidaka, T, Horiguchi, H, Furukawa, A & Tsujimoto, Y 2005, Steady analysis of thermodynamic effect of partial cavitation using singularity method. in Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005., FEDSM2005-77387, Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference, vol. 2, pp. 567-573, 2005 ASME Fluids Engineering Division Summer Conference, Houston, TX, United States, 6/19/05.

Watanabe S, Hidaka T, Horiguchi H, Furukawa A, Tsujimoto Y. Steady analysis of thermodynamic effect of partial cavitation using singularity method. In Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005. 2005. p. 567-573. FEDSM2005-77387. (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference).

Watanabe, Satoshi ; Hidaka, Tatsuya ; Horiguchi, Hironori ; Furukawa, Akinori ; Tsujimoto, Yoshinobu. / Steady analysis of thermodynamic effect of partial cavitation using singularity method. Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Forums, FEDSM2005. 2005. pp. 567-573 (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference).

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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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