ARTICLE:

• PERFORMANCE EXPERIMENT FOR ANEW TYPE OF CPL SYSTEM  download article

W. Liu
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, China

Z. C. Liu
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, China

X. B. Luo
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, China

J. G. Yang
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, China

ABSTRACT

CPL (Capillary Pumped Loop) is a two-phase heat transfer device which has been increasingly applied in thermal control of satellite or spacecraft and electronic cooling. However, startup performance of normal CPL is poor and hydrodynamic oscillation in system appears sometime during its operation. A flat plate type CPL is constructed and tested in the present study, which combines the advantages of CPL and LHP (Loop Heat Pipe) by improving both system and components. The performance of CPL prototype was tested in startup and persistence operations. The testing results indicate: (1) the new CPL system shows excellent startup performance without pressure priming and liquid clearing of vapor line; (2) the new CPL system is stable under very severe operational conditions, such that low load, sudden power step, etc.

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