Experimental and Analytical Study on the Influence of Saturation Pressure and Surface Roughness on Pool Boiling CHF of HFE-7100

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Boiling surfaces</td><td class="align_center">Ra (<i>μ</i>m)</td><td class="align_center">Rq (<i>μ</i>m)</td><td class="align_center">Rsm (<i>μ</i>m)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Smooth</td><td class="align_center">0.019</td><td class="align_center">0.024</td><td class="align_center">8.733</td></tr><tr><td class="align_left">Polished by a 1200# sandpaper</td><td class="align_center">0.205</td><td class="align_center">0.281</td><td class="align_center">10.622</td></tr><tr><td class="align_left">Polished by a 600# sandpaper</td><td class="align_center">0.311</td><td class="align_center">0.428</td><td class="align_center">11.679</td></tr><tr><td class="align_left">Polished by a 320# sandpaper</td><td class="align_center">0.587</td><td class="align_center">0.767</td><td class="align_center">14.334</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Roughness parameters of copper surfaces.</div>

International Journal of Chemical Engineering

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Table 1

Table 1: Experimental and Analytical Study on the Influence of Saturation Pressure and Surface Roughness on Pool Boiling CHF of HFE-7100 