Experimental Study for Heat Transfer Enhancement of Oil Cooler
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摘要: 对3个采用整体针翅管的滑油冷却器实验体进行了对比实验研究。结果表明:当换热管长度和油质量流量相同,且针翅管数量比光管减少一半时,针翅管滑油冷却器的换热系数是光管滑油冷却器的2.2倍。对实验结果的分析说明了针翅管滑油冷却器具有管板数量少、强化传热效果好的特点。Abstract: The heat transfer experimental study for three integral pin-fin tube oil coolers is performed.The experimental results indicate that for the same oil mass flow rate,when the tube number of pin-fin tube oil cooler is half that of smooth tube,the heat transfer coefficient of pin-fin tube oil cooler is 2.2 times that of bar tube.The experimental results indicate that the pin-fin tube oil cooler is of less tube plate and better heat transfer characteristics
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Key words:
- Integral pin-fin tube /
- Heat transfer enhancement /
- Oil cooler
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