Double-pass heat or mass transfer through a parallel-plate channel with recycle

Yeh, Ho‐Ming; Ho, Chii‐Dong; Sheu, Wen-Song

doi:10.1016/s0017-9310(99)00144-1

Cited by 17 publications

(2 citation statements)

References 14 publications

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“…Recently, it was also reported that increasing the fluid velocity by using recycle in double-pass parallel-plate heat exchangers enhances the heat-transfer coefficient, resulting in improved performance [18][19][20][21]. In addition to increasing the fluid velocity, the recycle operation also produces an effect by remixing the inlet fluid with the hot outgoing fluid.…”

Section: Introductionmentioning

confidence: 99%

Heat-transfer enhancement in double-pass flat-plate solar air heaters with recycle

Yeh

Wang

2005

Energy

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Section: Introductionmentioning

confidence: 99%

Heat-transfer enhancement in double-pass flat-plate solar air heaters with recycle

Yeh

Wang

2005

Energy

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“…Garg et al [11] indicated that double and multi-pass solar air heaters offer an extended heat transfer area and decreased overall heat losses. It has been also reported that increasing the fluid velocity by using recycle in double-pass parallel-plate heat exchangers enhances the heat-transfer coefficient, and consequently resulting in an improved performance [12][13][14]. Recently, very few papers have been published concerning the thermal performances of such systems.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study on Heat Transfer Characteristics and Performance of Double-Pass Flat Plate Solar Air Heaters

Abdel-Rahman

2008

JES. Journal of Engineering Sciences

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In this study, the flow and heat transfer characteristics and the performance of double-pass flat-plate solar air heaters are studied numerically. The effects of the total air mass flow rate and the fraction of air mass flow rate in the upper or lower flow channel on the performance of the double-pass flat-plate solar air heaters have also been investigated numerically. The mathematical models that describe the flow and heat transfer characteristics of the double-pass flat-plate solar air heaters are derived from the momentum and energy conservation equations. The developed mathematical model has been solved using a finite volume discrete scheme utilizing the SIMPLE (Semi-Implicit Method for Pressure Linked Equations) pressure-correction scheme combined with QUICK (Quadratic Upwind Interpolation Convective Kinematics) scheme in the frame of staggered system. The results obtained from the numerical model are validated by comparison with experimental data of previous researchers. It has been found that there is a reasonable agreement between the present model results and those obtained by previous investigators.

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