Research and Comparison of Heat Transfer and Pressure Drop in Lubricant Cooler

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 unit volume and integrated performance k/ΔP changing with oil mass flow rate are analyzed, on which the choose of lubricating-oil cooler can be based.