Pool Boiling on Modified Surfaces Using R-123
作者： Syed W. Ahmad , John S. Lewis , Ryan J. McGlen , Tassos G. Karayiannis
DOI: 10.1080/01457632.2014.889493
关键词: Heat flux 、 Critical heat flux 、 Heat transfer 、 Nucleate boiling 、 Composite material 、 Materials science 、 Boiling 、 Copper 、 Natural convection 、 Surface modification 、 Mechanical engineering 、 Condensed matter physics 、 Fluid Flow and Transfer Processes
摘要: Saturated pool boiling of R-123 was investigated for five horizontal copper surfaces modified by different treatments, namely, an emery-polished surface, a fine sandblasted rough electron beam-enhanced and sintered surface. Each 40-mm-diameter heating surface formed the upper face oxygen-free block, electrically heated embedded cartridge heaters. The experiments were performed from natural convection regime through nucleate up to critical heat flux, with both increasing decreasing at 1.01 bar, additionally 2 bar 4 Significant enhancement transfer modification demonstrated, particularly surfaces. results are compared correlations other published data.
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