期刊
JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER
卷 20, 期 4, 页码 850-855出版社
AMER INST AERONAUTICS ASTRONAUTICS
DOI: 10.2514/1.15971
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Convective flow boiling in a minichannel is presently analyzed. A 889-m hydraulic diameter minichannel is used for the experiments conducted at several heat fluxes provided to the minichannel for variable inlet mass flow rates. A local analysis of the two-phase flow behavior through pressure and temperature measurements is detailed in the paper. Based on the flow boiling behavior, a destabilization mechanism is proposed on the vapor plug formation assumption. A theoretical criterion of the two-phase How destabilization is proposed using a simplified model. The approach is compared with the experimental results. A scaling law is found with a nondimensional analysis of the experimental results.
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