Local heat transfer from a flat plate to a pair of circular air impinging jets is investigated numerically. A pair of impinging jets from fully-developed pipe flows are used for the numerical simulations. The Reynolds Averaged Navier-Stokes equations(RANS) and energy equation are solved for the three dimensional flow. Eddy-viscocity based turbulence models, RNG k-epsilon and V2F models, are used. Hybrid meshes are used for the three dimensional flows and mesh independent solutions are obtained. The flow Reynolds number, which is based on the jet diameter, is kept at 23,000. In the analysis, local heat transfer coefficients are obtained for the jet-to-plate distance, L/D, ranging from 2 to 10 and the jet-to-jet spacing, S/D, in the range of 1.75 to 7.0. Both local and average heat transfer coefficients are evaluated and compared with available experimental data under same flow conditions. The effect of using different turbulence models in the numerical analysis is evaluated and the selection of proper turbulence models under such a flow condition is suggested.
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ASME 2004 International Mechanical Engineering Congress and Exposition
November 13–19, 2004
Anaheim, California, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-4711-X
PROCEEDINGS PAPER
Numerical Analysis of Local Heat Transfer From a Flat Plate to a Pair of Circular Air Impingining Jets
X. Terry Yan,
X. Terry Yan
Southern Illinois University at Edwardsville
Search for other works by this author on:
Yavaraj Saravanan
Yavaraj Saravanan
Southern Illinois University at Edwardsville
Search for other works by this author on:
X. Terry Yan
Southern Illinois University at Edwardsville
Yavaraj Saravanan
Southern Illinois University at Edwardsville
Paper No:
IMECE2004-61950, pp. 623-638; 16 pages
Published Online:
March 24, 2008
Citation
Yan, XT, & Saravanan, Y. "Numerical Analysis of Local Heat Transfer From a Flat Plate to a Pair of Circular Air Impingining Jets." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Heat Transfer, Volume 1. Anaheim, California, USA. November 13–19, 2004. pp. 623-638. ASME. https://doi.org/10.1115/IMECE2004-61950
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