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Pressure loss modeling for surface mounted cuboid-shaped packages in channel flow

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3 Author(s)
Teertstra, P. ; Microelectron. Heat Transfer Lab., Waterloo Univ., Ont., Canada ; Yovanovich, M.M. ; Culham, J.R.

An analytical model is presented that predicts pressure loss for fully developed flow for air in a parallel plate channel with an array of uniformly-sized and spaced cuboid blocks on one wall. The model is intended for use in optimizing enclosure designs for air cooled electronics equipment containing arrays of printed circuit boards. Using a composite solution, based on the laminar and turbulent smooth wall channel limiting cases, the friction factor for periodic fully developed how can be calculated as a function of the array geometry and fluid velocity. The resulting model is applicable for a full range of Reynolds numbers, 1⩽ReDhˇ⩽100000 and accurately predicts the available measured values to within a 15% average difference

Published in:

Components, Packaging, and Manufacturing Technology, Part A, IEEE Transactions on  (Volume:20 ,  Issue: 4 )