Heat (mass) transfer and friction loss in two-pass ducts with various parallel rib arrangements

Kyung Min Kim, Sei Young Lee, Dong Hyun Lee, Hyung Hee Cho

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The present study investigated the effects of four parallel rib arrangements on heat/mass transfer and pressure drop characteristics in rotating two-pass ducts. The experiments of mass transfer and pressure measurement are performed to obtain heat transfer distributions and friction losses. The highest averaged heat (mass) transfer and friction loss in each region appeared in the turning region in the stationary cases, but appeared in the upstream region of the second pass in the rotating cases. Among the tested rib arrangements, the averaged heat (mass) transfer and the friction factor in the second pass in the stationary ducts were high in the cases with the NN- and PP-type ribs; however, in the rotating ducts, they were high in the cases with the NN- and PN-type ribs. The thermal performance in the four different rib arrangements was almost the same.

Original languageEnglish
Pages (from-to)783-792
Number of pages10
JournalHeat and Mass Transfer/Waerme- und Stoffuebertragung
Volume45
Issue number6
DOIs
Publication statusPublished - 2009 Apr 1

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ducts
Ducts
mass transfer
friction
Mass transfer
Friction
heat
Transfer Factor
friction factor
pressure measurement
Pressure measurement
pressure drop
upstream
Pressure drop
heat transfer
Heat transfer
Hot Temperature
Experiments

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Fluid Flow and Transfer Processes

Cite this

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abstract = "The present study investigated the effects of four parallel rib arrangements on heat/mass transfer and pressure drop characteristics in rotating two-pass ducts. The experiments of mass transfer and pressure measurement are performed to obtain heat transfer distributions and friction losses. The highest averaged heat (mass) transfer and friction loss in each region appeared in the turning region in the stationary cases, but appeared in the upstream region of the second pass in the rotating cases. Among the tested rib arrangements, the averaged heat (mass) transfer and the friction factor in the second pass in the stationary ducts were high in the cases with the NN- and PP-type ribs; however, in the rotating ducts, they were high in the cases with the NN- and PN-type ribs. The thermal performance in the four different rib arrangements was almost the same.",
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Heat (mass) transfer and friction loss in two-pass ducts with various parallel rib arrangements. / Kim, Kyung Min; Lee, Sei Young; Lee, Dong Hyun; Cho, Hyung Hee.

In: Heat and Mass Transfer/Waerme- und Stoffuebertragung, Vol. 45, No. 6, 01.04.2009, p. 783-792.

Research output: Contribution to journalArticle

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