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TECHNICAL PAPERS

Heat Transfer in 1:4 Rectangular Passages With Rotation

[+] Author and Article Information
Peeyush Agarwal, Sumanta Acharya, D. E. Nikitopoulos

Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA 70803

J. Turbomach 125(4), 726-733 (Dec 01, 2003) (8 pages) doi:10.1115/1.1626683 History: Received December 01, 2002; Revised March 01, 2003; Online December 01, 2003
Copyright © 2003 by ASME
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References

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Myrum,  T., Acharya,  S., Sinha,  S., and Qiu,  X., 1996, “The Effect of Placing Vortex Generators Above Ribs in Ribbed Ducts on the Flow, Flow Temperature, and Heat Transfer Behavior,” ASME J. Heat Transfer, 118, pp. 294–300.
Eliades,  V., Nikitopoulos,  D. E., and Acharya,  S., 2001, “Mass Transfer Distribution in Rotating, Two-Pass Ribbed Channels with Vortex Generators,” J. Thermophys. Heat Transfer, 15, pp. 266–274.
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Figures

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Schematic of the rotating experimental facility
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Schematic of the test section and meter
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Cross-stream section of the test section
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Comparison of the present Sherwood number ratios with those published in the literature (AR=1:1)
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Effect of aspect ratio on centerline normalized Sherwood number: Re=5760,Ro=0.12, (a) AR=1:1, leading and trailing walls, (b) AR=1:1, sidewalls, (c) AR=1:4, leading and trailing walls, (d) AR=1:4, sidewalls
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Effect of Reynolds number on centerline normalized Sherwood number at Ro=0,AR=1:4, (a) leading and trailing wall average, (b) sidewalls average
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Fully developed averaged normalized Sherwood number for AR=1:4 at (a) Ro=0, (b) Ro=0.025
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Effect of rotation on centerline normalized Sherwood number at Re=30,000 for AR=1:4
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Spanwise distributions at different rotation numbers in the fully developed region at Re=30,000 for AR=1:4, (a) and (b) leading and trailing, and (c) and (d) sidewalls
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Centerline distribution of the Sherwood number ratio along the ribbed and sidewall (inlet) for AR=1:4
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Fully developed mass transfer ratio in the inlet and outlet ribbed channel, (a) Ro=0, (b) AR=1:4,Ro=0.025 (average of the inlet duct sidewalls and outlet duct sidewalls is plotted)
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Effect of rotation number at Re=30,000,AR=1:4 (fully developed averaged normalized Sherwood number)
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Centerline normalized Sherwood number distribution in the inter-rib region at Re=30,000,Ro=0.045,AR=1:4, (a ) inlet fully developed region, (b) outlet developing flow region
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Spanwise distribution for different rotation numbers in the fully developed region at Re=30,000,AR=1:4

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