Mantle material can sink at a plate boundary, and then flow back upward farther away, pushing on the crust - a process called small scale convection.
地幔，这种物质可以在板块边界处下沉，然后向上回流到较远的地方，再与地壳相碰撞——这个过程被称为小规模的对流。
A warm convection flow then lofted it further to between 26, 000 ft and 32, 500 ft, well above cloud level.
然后一股暖气流使其高度更高达到26000英尺和32500英尺之间，几乎到了云层的高度。
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。
This article also describes some efficient steps for operating edge roller , stabilizing convection of tin fluid and settling flow of glass fluid .
本文将从合理使用拉边机、稳定锡液对流、稳定玻璃液流等方面所采取的有效措施作一些介绍。
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。
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 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。
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。
Spacious rooms, Wangjiang. North-South flow of convection air better!
房间宽敞，望江。南北对流让空气流通更棒！
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。
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 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。
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。
While the effect of the convection on heat transfer can be neglected at low power densities, melt flow assumes its importance as the power density increases.
随着功率密度的加大，对流的作用增强，其影响不可忽视。
With the solid-liquid interface moving upwards, the effect of natural convection is enhanced and the flow patterns change continually.
随着固液界面向上移动，液相区自然对流逐渐增强，流动状态不断变化。
Axisymmetric steady flow, assume the axial diffusion is negligible compared with the radial diffusion, axial convection and the radial convection.
轴对称稳态流，假设轴向扩散相比径向扩散、轴向对流和径向对流是可忽略的。
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。
Based on lots of the actual process gas flow calibration experiments, and the analyses of the affection of thermal convection modulus, a new compensating method is proposed.
通过大量实流标定实验，分析了煤气导热系数对标定结果的影响，并提出了一种新的补偿方法。
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。
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。
Some useful formulas for convection calculation of vertical and horizontal duct are given. So temperature decrease at the surface of discs and temperature rise of oil flow can be obtained.
得到了较为适合的垂直油道、水平油道自然对流换热特性数经验关联式，并据此得到了自然油循环变压器垂直油道和水平油道线饼表面温降和油流温升的计算方法。
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。
Two phase flow forced convection boiling heat transfer on helical coiled tubes has been systematically studied.
对螺旋管中两相强制对流沸腾传热特性进行了试验研究。
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 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 effect of mass flow rate on convection heat transfer is complicated.
流量对对流换热的影响比较复杂。
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。
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 vortex flow is resulted from inertial centrifugal force and the jet flow is from strong convection by the horizontal convergence.
充分说明龙卷风由涡旋流和急流这两种流叠加而成，涡旋流是由惯性离心力造成的，急流是由水平辐合辐散而引起的强对流。
The vortex flow is resulted from inertial centrifugal force and the jet flow is from strong convection by the horizontal convergence.
充分说明龙卷风由涡旋流和急流这两种流叠加而成，涡旋流是由惯性离心力造成的，急流是由水平辐合辐散而引起的强对流。
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