The present article is focused on two phase heat transfer experiment, conducted over plain and porous coated circular tube of 20 mm diameter with 130 mm heating length in the quiescent pool of fluid at atmospheric pressure. The heat flux is varied from 20.19–70.22 kW/m². The concentration of SDS and TritonX-100 are varied from 100 to 1200 ppm and 100–400 ppm in NaCl solutions respectively. It is found that higher nucleate boiling heat transfer coefficient obtained on plain tube as well as porous coated tube at SDS_400 ppm and TritonX-100_100 ppm. However, the maximum enhancement found in SDS surfactant. By increasing the concentration of SDS and TritonX-100, the nucleate boiling heat transfer decreases and minimum value found at 1200 ppm and 400 ppm respectively. As compared to the plain tube with plain NaCl solution, an enhancement of 51.43–65.74% found in the nucleate boiling heat transfer coefficient for the porous coated tube. At SDS_400 ppm and TritonX-100, an enhancement of the nucleate boiling heat transfer coefficient found about 46.42–57.71% and 36.75–50.21% for the plain tube. In general, the nucleate boiling heat transfer coefficient increases from plain NaCl to TritonX-100 to SDS for both the plain as well as porous coated surface.

本文重点研究两相传热实验，该实验是在大气压下静态流体池中，对直径为20 mm，加热长度为130 mm的普通多孔涂层圆管进行的。热通量在20.19–70.22 kW / m ^{2之间变化}。NaCl溶液中SDS和TritonX-100的浓度分别为100至1200 ppm和100–400 ppm。发现在SDS_400 ppm和TritonX-100_100 ppm的情况下，在普通管和多孔涂层管上可获得更高的核沸腾传热系数。然而，在SDS表面活性剂中发现最大的增强。通过增加SDS和TritonX-100的浓度，核沸腾传热降低，最小值分别为1200 ppm和400 ppm。与使用普通NaCl溶液的普通管相比，多孔涂层管的核沸腾传热系数提高了51.43–65.74％。在SDS_400 ppm和TritonX-100下，普通管的核沸腾传热系数提高了约46.42–57.71％和36.75–50.21％。一般来说，