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MIXED LAMINAR HEAT AND FLUID FLOW IN FLOWTHROUGH OPENED TRAPEZOIDAL COOLING CHAMBERS OF LOW ASPECT RATIOS

MIXED LAMINAR HEAT AND FLUID FLOW IN FLOWTHROUGH OPENED TRAPEZOIDAL COOLING CHAMBERS OF LOW... Heat and fluid flow through a trapezoidal cooling chamber were studied numerically. Hot fluid is assumed inflow at some depth below the surface into one end of the chamber and withdrawn at another depth from the other end. The top of the chamber is exposed to the surrounding for cooling and the remaining sidewalls are all insulated. Inflow Reynolds number Ro considered is in the range of 100 to 1000 and the inlet densimetric Froude number Fo considered is in the range of 0.5 to 50.0. Numerical experiments show that the flow and temperature fields in the flowthrough trapezoidal chamber are strong function of both Fo and Ro. The submergence ratio Ddo, chamber length to depth ratio LD and chamber wall angles are also significant in influencing the flow fields. Comparisons were also made with available experimental and prototype data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat & Fluid Flow Emerald Publishing

MIXED LAMINAR HEAT AND FLUID FLOW IN FLOWTHROUGH OPENED TRAPEZOIDAL COOLING CHAMBERS OF LOW ASPECT RATIOS

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0961-5539
DOI
10.1108/eb017472
Publisher site
See Article on Publisher Site

Abstract

Heat and fluid flow through a trapezoidal cooling chamber were studied numerically. Hot fluid is assumed inflow at some depth below the surface into one end of the chamber and withdrawn at another depth from the other end. The top of the chamber is exposed to the surrounding for cooling and the remaining sidewalls are all insulated. Inflow Reynolds number Ro considered is in the range of 100 to 1000 and the inlet densimetric Froude number Fo considered is in the range of 0.5 to 50.0. Numerical experiments show that the flow and temperature fields in the flowthrough trapezoidal chamber are strong function of both Fo and Ro. The submergence ratio Ddo, chamber length to depth ratio LD and chamber wall angles are also significant in influencing the flow fields. Comparisons were also made with available experimental and prototype data.

Journal

International Journal of Numerical Methods for Heat & Fluid FlowEmerald Publishing

Published: Jan 1, 1991

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