Internal Flow Patterns on Heat Transfer Performance of a Closed-Loop Oscillating Heat Pipe with Check Valves |
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Authors: | S Rittidech S Sangiamsuk |
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Institution: | Heat Pipe and Thermal Tools Design Research Unit (HTDR), Faculty of Engineering , Mahasarakham University , Mahasarakham , Thailand |
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Abstract: | This article presents the experimental results of an evaluation of the influence of internal flow patterns on the heat transfer performance of a closed-loop oscillating heat pipe with check valves. It was found that the internal flow patterns could be classified according to four flow patterns: dispersed bubble flow, bubble flow, slug flow, and annular flow, respectively. The main regime of each flow pattern can be determined from a flow pattern map. The map can be used to predict the trend of the heat transfer rate in the closed-loop oscillating heat pipe with check valves. |
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Keywords: | internal flow patterns closed-loop oscillating heat pipe check valve |
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