• 提高板式换热器传热效率关键提高传热系数对数平均温差

    Improve the heat transfer efficiency of plate heat exchanger is to improve the heat transfer coefficient and key logarithmic mean temperature difference.

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  • 通过分析说明对数平均温差计算制冷冷凝器蒸发器不合理

    The rationality of LMTD method applied in calculation of refrigeration condensers and evaporators is analyzed and proved to be unfit for the case.

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  • 本文讨论表面蒸发器管路内热流密度计算改进传统对数平均温差

    This article discusses the calculation of heat flux in the evaporator, in order to improve the conventional logarithmic mean temperature difference method.

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  • 相同工况下逆流对数平均温差最大顺流最小混合介于二者

    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.

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  • 提出单蛇系统的对数平均温差设计方法,并用数值模拟法实验法进行了验证

    The result is satisfying through comparing with experimental result, and the method of controlling the floor surface temperature is provided.

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  • 提出单蛇系统的对数平均温差设计方法,并用数值模拟法实验法进行了验证

    The result is satisfying through comparing with experimental result, and the method of controlling the floor surface temperature is provided.

    youdao

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