查询词典 convection heat transfer

In the following chapters, a set of three-dimensional mathematical models involving the heat transfer of the coolant turbulent flow and heat conduction coupling, which is applicable in engineering, was established according to currency N-S control equation, the SIMPLER algorithm in an unstaggered grid system, SMART scheme and k- e turbulence model are used in the flowfield ; The method of whole-field dispersed and solved are appled in the temperature field.

流场计算中，采用同位网格上的SIMPLER算法和低雷诺数κ-ε湍流模型，对流扩散项采用SMART格式离散；温度场计算中采用整场离散，整场求解。

The shell side of the rod baffle heat exchanger is so complicated that the flow field and enhanced heat transfer mechanism of the shell side cannot be commentated by the theoretical method.

折流杆换热器壳程结构复杂，用理论方法难以获得壳程流体流动和强化传热机理。

Also the question of how heat is transported as the lithosphere forms and evolves on scales ranging from tectonic plate, to melt generation and migration into the crust, to transfer of heat from hot rock to convecting fluid, is addressed.

在岩石圈形成和发展过程中（从构造板块到熔岩产生、迁移进入地壳，到热从高温岩石到对流海水），详细论述了热的传输机理。

Under middle and high heat flux, the liquid was degassed with the result that the boiling was pure liquid nucleate pool boiling, and, hereafter, the heat transfer coefficients could not be raised with increasing dissolved gas.

实验结果发现，低热通量时，相同热通量下的壁面温度会随著可溶解气体含量的增加而降低，主要原因是增加气体含量可以降低初始沸腾的热通量；中高热通量则因液体中所含的气体被除气所致，为纯液体核沸腾，热传系数无明显的提升。

And it will be released in the limited area of medium in the form of heat,which diffuses in accordance with the classical principle of heat transfer .

应用Matlab程序，对钻石内部和边界采用不同的差分迭代格式，计算模拟了其中的热传导过程。

Nowadays, the demand for saveing energy of industrial stove is increasing everyday. Heat-transfer which is one of the most important components in the industrial stove, its function is to reuse the heat of the exhausted air, thus the fuel can be saved and temperature of the stove and air can be increased.

近年来，工业炉节能要求越来越高，换热器作为工业炉的重要部件，其主要作用是回收炉子烟气余热，来达到节约燃料、提高炉温、加快助燃空气和气体燃料的升温的作用。

In the coupled model, transfer of momentum and heat between ocean and ice is two-way, and the change of ice thickness and concentration depends on heat budget not only at the surface and bottom of ice, but also at the surface of open water between the ices.

在该耦合模式中，冰和海洋之间的动量和热量交换是双向的，冰厚和冰密集度的变化不仅由冰表面和冰底的热收支决定，还由开阔水的表面热收支决定。

With the advantages of higher-efficiency, energy-saving and precise temperature -control, which the ordinary heat pipes don't possess, the Capillary Pumped Loop has numerous potential application in many high tech fields, for example the heat-transfer control on aircraft and the cooling of electronic devices, etc.

毛细抽吸两相流体回路拥有高效、节能、温控精度高等普通热管所不具备的优点，在航天热控和电子器件冷却领域具有广阔应用前景。

Results showed that it was possible to realize heat natural circulation when temperature difference at inlet and outlet of the system , and that of the gravel layer and cement mortar surface were occurred when delay time of heat transfer in each element was considered .

结果表明，在考虑了每个测试单元热传递时间滞后的条件下，当系统的入口点和出口点的温度存在温差及卵石层和水泥地面存在温差时，该系统能够实现热能自然循环。

Solves the equation using finite difference method.Obtains the heat transfer characteristic of laminar flowed ice slurry in circular pipes with constant heat flux.

运用有限差分的方法，对所得的差分方程组进行求解，从而得到定热流状态下圆管内层流冰浆流体的传热特性。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。