提高板式换热器传热效率的关键是提高传热系数和对数平均温差。
Improve the heat transfer efficiency of plate heat exchanger is to improve the heat transfer coefficient and key logarithmic mean temperature difference.
通过分析说明,用对数平均温差法计算制冷冷凝器和蒸发器是不合理的。
The rationality of LMTD method applied in calculation of refrigeration condensers and evaporators is analyzed and proved to be unfit for the case.
本文讨论表面式蒸发器管路内热流密度计算,以改进传统的对数平均温差法。
This article discusses the calculation of heat flux in the evaporator, in order to improve the conventional logarithmic mean temperature difference method.
在相同工况下,逆流时对数平均温差最大,顺流时最小,混合流型介于二者之问。
Under the same conditions, when the logarithmic mean temperature difference between upstream maximum downstream, the smallest of the mixed flow pattern between the two asked.
提出了单蛇型系统的对数平均温差法设计方法,并用数值模拟法和实验法进行了验证。
The result is satisfying through comparing with experimental result, and the method of controlling the floor surface temperature is provided.
提出了单蛇型系统的对数平均温差法设计方法,并用数值模拟法和实验法进行了验证。
The result is satisfying through comparing with experimental result, and the method of controlling the floor surface temperature is provided.
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