Experimental study on single-phase heat transfer and pressure drop of refrigerants in a plate heat exchanger with metal-foam-filled channels
作者： Gholamreza Bamorovat Abadi , Chanhee Moon , Kyung Chun Kim
DOI: 10.1016/J.APPLTHERMALENG.2016.03.099
关键词:
摘要: Abstract Metal-foam-filled channels are proposed to increase the heat transfer area between hot and cold flows in plate exchangers. This experimental study focuses on single-phase mechanism of R245fa refrigerant a metal-foam-filled exchanger instead more commonly used air or water experiments. The refrigerant-side heat-transfer coefficient pressure-drop data reported. Different metal foams with various pore densities values 20, 30, 60 pore per inch (PPI) were examined. Cases studied uniform PPI two different along flow direction. A complete test section an overall volume 0.001 m3 that is able generate 1–2 kW duty this range conditions manufactured. result shows inserting 60-PPI foam increases by up 5.1 times compared without insert. As expected, pressure drop penalty huge. had greatest drop, which was 5.7 empty-channel exchanger.
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