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Lots of experimental researches have been done to a plain tubes segmental baffles lubricating-oil cooler and integral pin-fin tube cooler and the new lubricating-oil cooler made from integral pin-fin tubes and plain tubes mixing in bundles and with double-flow. It is introduced that oil mass flow rate has great influence on coolers performance. Heat transfer coefficient, pressure drop, the heat of...
The integral pin-fin tube is a new type of non-continuous finned tubes, increasing the effective heat transfer area, while its non-continuous fin structure can strongly stimulate the fluid boundary layer separation, to achieve enhanced heat transfer effect. Using fluent software three-dimensional numerical simulation on integral pin-fin tube is got. The results is accord to the actual situation, verifies...
A lot of experimental research has been done to two kinds of new oil coolers using the pin-fin tube as the heat transfer elements, of which one form is longitudinal flow and the other one is crosswise flow . It was found that the heat transfer coefficient of the former one is 2.2 times as big as that of the latter one when the flow rate is (0.5kg/s) and the number of tubes is the same. The results...
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