The forced convection was produced by the flow of the liquid through the central opening in the bottom of the internal crucible.
强制性对流是利用金属熔体流过凝固界面上方的内部坩埚底部中心的开孔形成的。
It is found that the convection heat transfer plays an important part in the bulk above the return flow section and the heat conduction only rises in the bottom region.
研究表明，回流口截面以上区域传热以对流方式为主，底部区域则主要是逐层导热。
In high Reynolds number range of 10,000 ~ 90,000, the flow friction factor, local and average convection heat transfer coefficients were determined.
在10,000 ~ 90,000的高雷诺数范围内，测量了流动摩擦系数、局部和平均对流换热系数。
The model assumes that forced convection and nucleate boiling coexist in the annular flow regime.
该模型认为环状流区域同时存在强制对流与核态沸腾两种换热方式。
The experiment quantitatively verifies the existence of convection flows of gas induced by the gradient magnetic field, furthermore the convection flow promotes the combustion in diffusion flames.
实验定量地验证了梯度磁场可以诱导气体对流的发生，从而进一步推进扩散火焰燃烧反应。
The convection in molten liquid can be much more weakened by buoyancy convection increasing the flow of liquid encapsulation in this model.
在本文模型中，浮力对流促进了液封层的流动，从而加大了对熔体热毛细对流的抑制作用。
The temperature distributions in tundish were given for various temperature difference and flow control devices. The effect of natural convection on flow pattern in different conditions was discussed.
还给出了不同温差、不同控流装置下中间包内钢液温度的分布，并讨论了在不同条件下自然对流对钢液流动的影响。
As the main flow manner of formation water in deep reservoir, circulated convection current controlled authigenic mineral location and secondary pore distribution.
循环热对流是深部储层流体的主要流动方式，它控制着自生矿物在砂层中的析出位置和次生孔隙的分布特征。
Natural convection around a horizontal, isothermal cylinder in an infinite, fluid-saturated porous medium is modeled analytically using the Darcy flow model.
本文运用达西流模型，对饱和含湿多孔介质中环绕水平等温圆柱发生的自然对流进行了数值模拟和分析。
Unstable concentration field in the condition of unforced convection in the confined vacuum has been calculated by programming flow field and concentration field simultaneously.
在以上流场计算的基础上，耦合计算浓度场的子程序，计算了自然对流条件下受限空间内有污染源存在时的非稳态浓度场。
The analysis demonstrates that the conduction, convection and radiation heat transfers occur in the system while the laminar flow and natural flow exist in the closed space.
分析表明系统中存在传导、对流及辐射传热，其中封闭空气夹层又存在层流自然对流。
The convection heat transfer in gas flow normal to clean tube Banks has been investigated and calculation methods proposed by various investigators have been analyzed and compared.
本文研究了气体横向冲刷清洁光管管束时的对流换热过程，分析比较了许多研究者提出的各种计算方法。
The results of visualization experiment show that temperature and flow fields are un-steady and three dimensional in space for this natural convection of horizontal air layer heated from below.
实验结果表明，这种水平空气层自然对流换热是非稳态的，并且在空间上是三维的。
Acid flow and reaction in a wormhole was studied by modeling the wormhole as a cylinder and numerically solving the mass balance equation that describes acid transport by convection and diffusion.
将酸蚀蚓孔简化为单圆管模型，酸液流动反应物质平衡方程反应传质和扩散作用。
The numerical scheme for unsteady thermal convection flow in a square cavity is developed in this paper.
该文从二维方腔流动的涡流函数方程出发，建立了方腔内热对流的非定常数值计算模型。
Zinc stearate particles has proved out to be a good trace material for visual display of natural convection flow pattern in enclosure.
实验结果表明，硬脂酸锌粉粒是显示空气自然对流流动的比较理想材料。
Under low packing density, convection is significant in shell-side flow, which is preferable for the reduction of dead zone area and the higher utilization of contacting area.
较低的封装分率下，组件壳程对流作用明显，有利于减少死区，充分利用膜接触面积。
The purpose of this paper is to present a numerical model for the analysis of flow-induced instabilities in forced-convection steam generator.
本文建立数学模型对强迫循环下蒸汽发生器的流动不稳定性进行了计算。
A new method was proposed for flow measurement in medium_temperature pipe based on the theory of conduction and convection.
提出了一种测量管道流量的方法，即基于导热和对流和对流联合作用原理的中温管道流量测量方法。
Triggering and evolution of winter-time natural convection cooling effect in fractured-rock revetment embankments of the Qinghai-Tibet Railway are investigated by means of an air-flow function.
导出适用于变渗透率多孔介质的无量纲控制方程，并针对青藏铁路工程建设，分析了碎石护坡路堤冬季自然对流降温效应的产生和演化过程。
The measurement of heat flux in convection through a cross section can be made by measuring the temperature and the velocity of flow of the medium at certain point of the cross section.
测量流过某一截面上的对流热流量，可以归结为测量流过该截面上各点介质的温度和速度。
Unsteady flow and concentration fields in the liquid phase of a gas-liquid contacting system were simulated to show the natural convection by utilizing the finite-element CFD method.
并通过吸收传质流体CFD模型，应用有限元方法对气液吸收过程中出现的自然对流发生过程进行了数值计算，得到了液相自然对流发生时的非稳态流场分布和浓度分布信息。
Unsteady flow and concentration fields in the liquid phase of a gas-liquid contacting system were simulated to show the natural convection by utilizing the finite-element CFD method.
并通过吸收传质流体CFD模型，应用有限元方法对气液吸收过程中出现的自然对流发生过程进行了数值计算，得到了液相自然对流发生时的非稳态流场分布和浓度分布信息。
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