Test results from a pumped single-phase porous metal heat exchanger

John H. Rosenfeld; Richard Schumacher; Robert D. Watson; Jimmie M. McDonald

doi:10.1117/12.163828

12 November 1993 Test results from a pumped single-phase porous metal heat exchanger

John H. Rosenfeld, Richard Schumacher, Robert D. Watson, Jimmie M. McDonald

Proceedings Volume 1997, High Heat Flux Engineering II; (1993) https://doi.org/10.1117/12.163828
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

A pumped single-phase porous metal cooled microwave cavity design is being evaluated for use in a high-power gyrotron. A small-scale porous metal cooled test article was designed, built, and tested on a Phase I SBIR program. The program was funded by the United States Department of Energy. A copper/water porous metal heat exchanger test article was fabricated and was subsequently tested at absorbed heat fluxes up to 7.4 +/- 0.3 kW/cm² before failure occurred. Multiple tests were successfully completed at heat fluxes of 4.0 to over 6.0 W/cm² with no signs of failure. The test article design, coolant parameters, test methodology, and test results are presented. The results of this work show the potential of porous metal cooling to solve a number of high heat flux cooling problems; several such applications are described.

Citation Download Citation

John H. Rosenfeld, Richard Schumacher, Robert D. Watson, and Jimmie M. McDonald "Test results from a pumped single-phase porous metal heat exchanger", Proc. SPIE 1997, High Heat Flux Engineering II, (12 November 1993); https://doi.org/10.1117/12.163828

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