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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >HEAT TRANSFER PROPERTIES OF ENGINE OILS
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HEAT TRANSFER PROPERTIES OF ENGINE OILS

机译：发动机油的传热特性

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摘要

The thermal properties of engine oil are important traits affecting the ability of the oil to transfer heat from the engine. The larger the thermal conductivity and specific heat, the more efficiently the oil will transfer heat. In this work, we measured the thermal conductivity and specific heat of a conventional mineral oil-based diesel engine lubricant and a Group V-based LHR diesel engine lubricant as a function of temperature. We also measured the specific heat of ethylene glycol. The measured values are compared with manufacturers' data for typical heat transfer fluids. The Group V-based engine oil had a higher thermal conductivity and slightly lower specific heat than the mineral oil-based engine oil. Both engine oils had values comparable to high-temperature heat transfer fluids.
机译：机油的热特性是影响机油从发动机传递热量的能力的重要特性。导热系数和比热越大，油将更有效地传递热量。在这项工作中，我们测量了常规矿物油基柴油发动机润滑油和V组基LHR LHR柴油发动机润滑油的导热系数和比热随温度的变化。我们还测量了乙二醇的比热。将测量值与典型传热流体的制造商数据进行比较。与矿物油基机油相比，基于V组的机油具有更高的导热系数和比热。两种发动机油的值都可与高温传热流体相媲美。

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