科研之友
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摘要
Experimental investigations have shown that the enhancement in heat transfer coefficients for air flow in a channel roughened with low blockage ( e/ D h 0.2 ) at elevated Reynolds numbers do not exhibit a good thermal performance, that is, beyond this blockage ratio, the heat transfer coefficient decreases with the rib blockage and (b) CFD could be considered as a viable tool for the prediction of heat transfer coefficients in a rib-roughened test section.
