Abstract

A network analysis was established to model the array of evaporative microchannels with possible nonuniformity heating as well as branching of the channels. Iterative solution of the evaporative microchannel network can be obtained using the Hardy–Cross method together with accurate two-phase head-loss correlations. Based on the experimental evidence, cross-cutting microchannels reduce the uneven flow distribution in parallel microchannels at nonuniform heating. Through this network analysis, it is also evident that cross-cutting grooves on parallel microchannels are effective in reducing nonuniform heating effects and enhancing the uniform wall temperature distribution.

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