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Start Over Author "He, Zhenhui" Publication Type Conference Materials
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7. Experimental study of flow oscillations in parallel evaporators of a carbon dioxide two-phase loop.

Author

Sun, Xihui, He, Zhenhui, and Huang, Zhencheng

Subjects
PHYSICS experiments, OSCILLATIONS, EVAPORATORS, CARBON dioxide, TWO-phase flow, LIQUID-vapor interfaces, GAS flow
Abstract

Stability is a key factor that limits the application of liquid-vapor two-phase loop. in this paper, we investigated the two-phase flow stability boundaries of two evaporators in parallel in a mechanically pumped CO2 two-phase loop(MPTL), which distinguish steady flow, flow oscillations at the inlet, and temperature oscillations at the outlets of the evaporators. We inferred that the instability is the result of density wave oscillation (DWO), and found that the periods of the flow oscillations are comparable with the residence time of CO2 fluid particle in the evaporator. [ABSTRACT FROM AUTHOR]

Published
2013
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