各冻害级别之间平均温差随着冻害级别的提高而缩小。
Furthermore, with the increase of the freezing injury grades, the differences of the average temperature for the different freezing injury grades decreased.
采用统一的方法对定态传热逆流和并流的平均温差进行了推导。
Mean temperature difference for countercurrent flow and cocurrent flow in steady continuous heat transfer has been deduced uniformly.
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.
纳帕和弗雷斯诺的平均气温差是华氏5度。
The difference in average temperature between Napa and Fresno was 5 degrees Fahrenheit.
到本世纪末，全球的平均最低气温差不多会上升1.5度到2度。
The world was only 1.5 C to 2 C (2.7 F to 3.6 F) warmer then, a temperature rise at the low end of the range predicted for the end of this century.
在冷却介质出口温度或传热温差选定的情况下，可以由第二个条件计算满足热稳定性的平均停留时间。
When the outlet coolant temperature or heat-transfer temperature difference is chosen, the acceptable mean residence time can be calculated by the second limiting condition.
随着旋转雷诺数和进气流量系数增加，转盘无量纲过余表面平均温度和无量纲径向表面温差全都下降。
The dimensionless average temperature and dimensionless temperature difference of rotor surface decrease with both of the dimensionless mass flow rate and rotational Reynolds number are increased.
在平面受限温差射流的九种不同工况下，与深度平均—模式进行了客观而详细地数值比较研究。
In the case of side discharged jets with temperature difference and transverse current, the new model has been investigated numerically in detail.
当R在（0.63~1.08）范围内变化时，工作区平均无因次温差、风速没有显著变化。
When the varieties of R range from 0.63 to 1.08, it doesn't affect remarkably on even dimensionless temperature difference and velocity in workaround.
当R在（0.63~1.08）范围内变化时，工作区平均无因次温差、风速没有显著变化。
When the varieties of R range from 0.63 to 1.08, it doesn't affect remarkably on even dimensionless temperature difference and velocity in workaround.
应用推荐