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http://dx.doi.org/10.3795/KSME-B.2004.28.3.296

Optimal Shape of a Parallel-Flow Heat Exchanger by Using a Response Surface Method  

Oh, Seok-Jin (한양대학교 기계공학부)
Lee, Kwan-Soo (한양대학교 대학원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.28, no.3, 2004 , pp. 296-303 More about this Journal
Abstract
The heat and flow characteristics in a single-phase parallel-flow heat exchanger was examined numerically to obtain its optimal shape. A response surface method was introduced to approximately predict its performance with respect to the design parameters over the design domain. The inflow/outflow angle of the working fluid, the location of inlet/outlet, the protruding height of flat tube and the height of header were chosen as a design parameter The evaluation of the relative importance of the design parameters was performed based on a sensitivity analysis. An efficiency index was used as an evaluation characteristics value to simultaneously consider both the heat transfer and the pressure drop. The efficiency index of the optimum model, compared to that of the base model, was increased by 9.3%.
Keywords
Efficiency Index; Parallel-Flow Heat Exchanger; Response Surface Method; Optimal Shape;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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