Article ID Journal Published Year Pages File Type
654492 International Communications in Heat and Mass Transfer 2010 5 Pages PDF
Abstract
The two-phase flow distribution in a plate-fin heat exchanger has been experimentally studied under different operation conditions. The results indicate that two-phase flow distribution is more complex and nonuniform than that of single-phase flow. The distribution uniformity of liquid-phase deteriorates with the decrease of Regas and Reliq. The distribution uniformity of gas-phase deteriorates with Reliq, but improves with Regas. The improved header with perforated baffle can effectively improve the uniformity of two-phase flow distribution and dryness distribution. The values of Sliq, Sgas and Sdry decrease by 5.4-44.0%, 4.7-35.0% and 11.7-30.0%, respectively. The conclusion is of great significance in the optimum design of plate-fin heat exchanger.
Related Topics
Physical Sciences and Engineering Chemical Engineering Fluid Flow and Transfer Processes
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