结果表明，柱塞—柱塞套间隙、机油温度和压力变化对模拟计算结果影响很小；
It is indicated that effect of variation of piston-to-cylinder gap, oil temperature and pressure on simulation result is very small;
证实了在柴油机自然升温的情况下，冷却水温度和机油温度对柴油机小负荷经济性有着重要影响。
Under the operating conditions of engine temperature, considerable influence of temperature of cooling water and oil on fuel economy of diesel engines with small load has been observed.
在台架对比试验的基础上，证实散热性能良好，为解决4115l_1发动机机油温度过高问题提供参考方案。
Basing on comparative test stand results, it was established to have good cooling effects, and offers a solution to the oil overheating problem on the 4115l1 engine.
在台架对比试验的基础上，证实散热性能良好，为解决4115l_1发动机机油温度过高问题提供参考方案。
Basing on comparative test stand results, it was established to have good cooling effects, and offers a solution to the oil overheating problem on the 4115l1 engine.
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