对流传热

Based on the thermodynamic analysis of heat transfer process between water jet and the blade surface, the differential equations of heat convection and differential equation of steady heat conduction between water jet and the blade surface are established. Power expression of heat exchange and temperature field expression of the blade are derived.

根据对水射流与刀片间传热过程的热力学分析分别建立了水射流与刀片表面对流换热微分方程组和热源与刀片间的稳态导热微分方程，推导出水射流对刀片的换热功率表达式和刀片内温度场表达式。

Pipeline stress calculation and Euler formula, as well as the theory of forced convection heat transfer in tube, are used to solve the problem of large deformation and uneven distribution of stress which occurred in thermal pipeline of a power plant.

通过应用管道应力计算方法、欧拉公式以及管内强制对流换热等传热学理论，解决了某电厂热力管道运行中出现的变形过大、应力分布不均的问题。

There are 3 ways of heat transfer:conduction, radiation and convection.

传热的方法有三种：传导、辐射、对流。

There are three ways of heat transfer:conduction,radiation and convection.

传热的方法有三种：传导、辐射、对流。

The flow of glass melt in tank furnace can be characterized by mixed convection that the inertial force could be neglected.

本文还以指导熔窑模型实验为目的对混合对流的流动与传热特性进行了研究。

Then the temperature distribution and heat transfer of plate were solved by iteration method with successive underrelaxat...

该思路和方法可用于求解耦合导热、自然对流和辐射的非等温平板传热问题。

This paper studied the free convection condensation heat transfer of miscible binary mixture on a horizontal smooth tube.

研究互溶性双组分混合物在水平光滑管上的自然对流冷凝传热性能。

Firstly, we establish the 3-D heat transfer model of the swine crura under the effect of indirect monkshood moxibustion, analyze the temperature distribution on the surface of the monkshood during the moxibustion in the experiment, then apply the boundary condition to the model with the air convection considered and calculate the temperature and heat flux distribution of the 3-D model at different times. Beside, we also compare the results of the 3-D model with the experiment and the results of the 2-D model to verify the correctness of the 3-D model.

本文先建立了艾炷隔附子饼灸作用于生物组织的三维传热模型，然后根据实验条件分析了艾炷燃烧过程中附子饼底面的温度分布情况，并在模型上施加了新建立的温度边界条件，同时考虑了生物模型表面的空气对流条件，计算得到了三维生物模型在不同时刻的温度分布图和热流量分布图，而且对三维模型的计算结果、实验以及二维模型的模拟数据进行了比较，验证了三维模型的准确性。

Heat transfer ; natural convection ; boundary layer

传热；自然对流；边界层

To analyze the thermal safety of Al/AgO battery in torpedo tube after launching failure, numerical simulation of the conjugate forced convection heat transfer was conducted in the condition of launch failure and battery activation by using the computational fluid dynamics software FLUENT.

为分析鱼雷发射失效后Al/AgO电池在发射管中的热安全性，基于计算流体力学方法，应用计算流体力学软件FLUENT，对鱼雷发射失效后Al/AgO一次电池激活情况下管内强制对流耦合传热进行了数值模拟。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。