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来源:百度知道 编辑:UC知道 时间:2024/06/21 03:32:54
题目是
effects of dimple depth on nusselt numbers and friction factors或者Effects of Dimple Depth on Nusselt Numbers and Friction Factors for Internal Cooling Channel

Effects Of Dimple Depth on Channel Nusselt Numbers and Friction Factors
Burgess, N K; Ligrani, P M
Journal of Heat Transfer (Transactions of the ASME). Vol. 127, no. 8, pp. 839-847. Aug. 2005

Experimental results, measured on dimpled test surfaces placed on one wall of different rectangular channels, are given for a ratio of air inlet stagnation temperature to surface temperature of approximately 0.94, and Reynolds numbers based on channel height from 9940 to 74,800. The data presented include friction factors, local Nusselnumbers, spatially averaged Nusselt numbers, and globally averaged Nusselt numbers. The ratios of dimple depth to dimple print diameter SID are 0.1, 0.2, and 0.3 to provide information on the influences of dimple depth. The ratio of channel height to dimple print diame