An explicit solution has been obtained for the logarithmic mean temperature difference method of heat exchanger calculation by making use of the Lambert W-function. The results might be of use where an explicit solution involving the logarithmic mean is required.

中文翻译：

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对数均值：Chen的近似或显式解？

利用Lambert W函数为换热器计算的对数平均温差方法获得了一个明确的解决方案。在需要涉及对数均值的显式解的情况下，该结果可能有用。