Thermal Performance in a Rectangular Divergent Channel with Parallel Angled Ribs

Myung Sung Lee; Soo Whan Ahn

doi:10.4028/www.scientific.net/AMM.764-765.403

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 764-765Thermal Performance in a Rectangular Divergent...

Thermal Performance in a Rectangular Divergent Channel with Parallel Angled Ribs

Abstract:

Heat transfer and friction factors of fully developed turbulent flows in the stationary rectangular divergent channel with parallel angled ribbed have been investigated experimentally. Four different parallel angled ribs (α = 30, 45, 60, and 90-deg) are placed to the channel’s two opposite walls as well as to the channel’s one sided wall only, respectively. The ribbed rectangular divergent channel has the inclination angle of 0.72deg at the left and right walls, corresponding to D_ho/D_hi =1.16. The divergent channel has the cross-section of100 x75 mm² at inlet and 100 x 100 mm²at exit. The ribbed walls are manufactured with a fixed rib height (e) =10 mm and the ratio of rib spacing (p) to height (e) = 10.

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Periodical:

Applied Mechanics and Materials (Volumes 764-765)

Pages:

403-407

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.764-765.403

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Online since:

May 2015

Authors:

Myung Sung Lee, Soo Whan Ahn*

Keywords:

Angled Ribs, Divergent Rectangular Channel, Friction Factor, Heat Transfer

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