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TECHNICAL PAPERS: Heat Exchangers

An Experimental and Theoretical Investigation of the Effect of Flow Maldistribution on the Thermal Performance of Plate Heat Exchangers

[+] Author and Article Information
B. Prabhakara Rao

Heat Transfer and Thermal Power Laboratory, Department of Mechanical Engineering, Indian Institute of Technology-Madras, Chennai—600 036, India

Bengt Sunden

Division of Heat Transfer, Department of Heat and Power Engineering, Lund Institute of Technology, Lund, Sweden

Sarit K. Das

Heat Transfer and Thermal Power Laboratory, Department of Mechanical Engineering, Indian Institute of Technology-Madras, Chennai—600 036, Indiae-mail: skdas@iitm.ac.in or sarit_das@hotmail.com

J. Heat Transfer 127(3), 332-343 (Mar 24, 2005) (12 pages) doi:10.1115/1.1860568 History: Received May 25, 2004; Revised December 22, 2004; Online March 24, 2005
Copyright © 2005 by ASME
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References

Figures

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Schematic view of experimental test facility (layout)
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Schematic view of the mandrel
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Schematic views of U- and Z-type arrangements
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Flow configurations of multipass plate heat exchangers: (a) 1−N pass, (b) N−N pass, and (c) M−N pass flow configurations
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Control volume of fluid inside the channel
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Parity plot of Nusselt number correlation
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Comparison of theoretical and experimental data of m2 for both U- and Z-type plate heat exchangers
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Effect of flow maldistribution parameter m2 on the thermal performance of plate heat exchanger
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Effect of port diameter on the thermal performance of U-type plate heat exchanger
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Effect of port diameter on the thermal performance of Z-type plate heat exchanger
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Comparison of the effectiveness with NTU for U- and Z-type plate heat exchangers at port diameter, Dp=35 mm
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Effect of number of channels on thermal performance with NTU for U-type plate exchanger at port diameter, Dp=35 mm
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Effect of Reynolds number on the thermal performance of U-type plate heat exchangers with and without mandrel
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Comparison of the performance of various multipass arrangements of plate heat exchangers at port diameter, Dp=70 mm
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Effect of flow maldistribution on thermal performance of multipass PHE

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