期刊
MICROSCALE THERMOPHYSICAL ENGINEERING
卷 8, 期 1, 页码 15-30出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10893950490272902
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Some experimental results on heat transfer and pressure drop through microchannels evidenced that the conventional theory, validated for large-size channels, has to be revised for channels having a hydraulic diameter smaller than I mm. Also, the transition from the laminar to the turbulent regime usually takes place at Reynolds numbers lower than those expected. This is considered a confirmation of the disagreement with the classical theory. This paper shows how many experimental results on the laminar-to-turbulent transition in microchannels can be explained by using the Obot-Jones model, obtained by means of the conventional theory for large-size channels.
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