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。
Unstable concentration field in the condition of unforced convection in the confined vacuum has been calculated by programming flow field and concentration field simultaneously.
可以很好地用来判断现有裂解炉对流段对改变原料和操作条件的适应性和设计各种规模和适应各种原料的裂解炉。
It can be used to check the flexibility of the convection section when the feed and operation condition changes, and it can be used to design the cracking furnace of different scale and feedstocks.
原恒星的条件更加类似于红巨星的情形,红巨星体积的大部分都卷入剧烈的对流中。
The conditions in a protostar resemble far more closely in situation in red giants, most of whose volume is caught up in stormy convection.
原恒星的条件更加类似于红巨星的情形,红巨星体积的大部分都卷入剧烈的对流中。
The conditions in a proto star resemble far more closely in situation in red giants most of whose volume is caught up in stormy convection.
应用交替分段显隐方法求解变系数对流扩散方程,此方法具有很好的并行性且无条件稳定。
Using alternating segment explicit implicit method for the variable coefficient convection diffusion equation. The method has the obvious property of parallelism and is unconditionally stable.
在微重力条件下不存在浮力和由其引起的自然对流,从而影响了燃烧基本过程。
There is no buoyancy and natural convection at microgravity condition, which will affect the fundamental process of combustion.
文中应用总放热系数等效考虑了CFRP压力容器固化过程中热压釜辐射与对流边界条件。
General heat release coefficient is used to equivalently consider autoclave radiation and convection of boundary condition during curing process for CFRP pressure vessel.
热传导分析中,依据实测的轮胎胎侧温度场,提出了一种基于实验的数值反演方法来确定胎侧的对流热边界条件。
In the heat transfer analysis, combining temperature on tire side tested by drum test, a numerical inverse method is described for determining the heat convection boundary on tire side.
高空急流提供动力不稳定条件,低空急流是暴雪区水汽的提供者和对流不稳定能量释放的触发者;
The upper-level jet created the dynamic instability condition and the low-level jet played the vapour provider of the snowstorm and the trigger of convective instability energy release.
产生冬季暴雨的物理条件与充沛的水汽、强烈的对流不稳定和辐合上升运动密切相关。
The physical conditions of rainstorm creating is related with plentiful vapor and instable strongly air convection and convergence upward movement.
本论文在综合国内外大量相关文献的基础上,对混凝过程中的流体动力条件进行实验及其对流体力化学的机理进行了研究。
On the basis of comprehended Numbers of relative literatures, the experiment of fluid dynamic condition and the mechanism of fluid mechanic chemistry in coagulation are studied in this paper.
本文总结了强对流天气发生的条件,提出了触发机制的概念,并给出了强对流天气条件下,预报强对流天气发生地点的方法。
The article sums up the conditions that occurs strong convective weather, raises a new concept of excitation mechanism, and, gives out a way to forecast strong convective taking place site.
应用abaqus软件的强制对流单元,研究了在特定的气体流动条件下的钢卷与气体之间的传热。
By using ABAQUS software, force convection elements were adopted to simulate the heat transfer between the coil and the forced convective hydrogen.
通过对时间和空间差分格式的选取、源项及边界条件的处理,在非结构化网格上对流场控制方程进行了离散。
By properly choosing temporal and spatial difference format, correctly dealing with source term and boundary conditions, control equations are discretized over unstructured meshes.
实验上,对大气对流环境条件下土壤内热、水分迁移过程进行了研究。
Experimental investigation of heat and water transfer of sandy soil with air convection was done.
本文对百叶窗式叶片形成的倾斜通道,在制冷工程范围内变物性条件下,自然对流换热进行了数值预测。
This paper presents a numerical prediction of natural convection heat-transfer from inclined channels formed by slates of shutter with variable fluid-property in refrigerating engineering.
因此,总的效果是修正了恒星结构和演化中的物态方程、流体静力学方程、边界条件和对流区底部的能流密度。
Consequently, the result is that we modify the equation of state, hydrostatic equilibrium equation, the boundary condition and the energy flux.
对大气对流环境条件下砂土内热湿迁移过程进行了实验研究。
Experimental investigation on heat and water transfer of sandy soil with air convection are carried out.
实测了水平肋片管在自然对流换热条件下圆管表面温度在圆周方向上的分布。
This paper offers the measured distribution of the surface temperature of horizontal finned tube along the circumference in natural convection heat transfer.
在等壁温边界条件下对矩形微细通道速度滑移区的对流换热进行了二维数值模拟。
Two dimensional numerical simulation is presented for flow and heat transfer in rectangular microchannel with uniform wall temperature in slip regime.
典型的管内对流换热实验均在第一、第二类边界条件下进行。
Typical experiment of convection heat transfer in tubes is under the first or the second boundary condition.
本文就含水的倾斜多孔介质层在侧向加热条件下流体热对流稳定性问题进行试验研究。
A experimental investigation on the stability of thermal convection in a sloping porous Medium under lateral heating is reported.
吕艳彬,郑永光,李亚萍,等。 2002。华北平原中尺度对流复合体发生的环境和条件[J]。 应用气象学报,13(5):406-412。
Lü Yanbin, Zheng Yongguang, Li Yaping, et al. 2002. Environment and conditions of mesoscale convective complex development in North China Plain[J]. J Appl Meteor Sci, 13(5):406-412.
在一定的条件下,该密度差可导致流体产生自由对流。
Under certain conditions, the vertical density difference may induce free convection of the fluids.
计算的边界条件包括燃气加热,内部对流冷却,气膜冷却和冲击冷却的对流换热。
E. M. The boundary condition consists of convective heat transfer of gas heating, internal cooling, film cooling and impinging cooling.
对流态化预还原过程中碳吸附条件下赤铁矿粉的物化性质、结构变化规律进行了研究。
The present paper studies the law of changes in the physical and chemical properties and structure of the hematite ore fines under the absorption condition in the process of fluidized pre-reduction.
在边界条件中考虑了铸型外表面的对流及辐射换热;
The heat -transfer caused by the convection and radiation on the surface of mold is considered in boundary condition;
本文对1987年3月13日浙南地区强对流过程发生的条件作了分析。
The occurrence condition of southern Zhejiang severe convective event on 13 March 1987 is analyzed.
针对脉动喷嘴的结构对形成脉冲流体的机理进行了电路模拟分析,从而避开了直接对流体流场的计算及边界条件的处理。
The pulse fluid mechanism is analyzed with circuit simulation on the basis of the structure of pulse nozzle. which will directly avoid calculating the fluid yard and treating the boundary conditions.
针对脉动喷嘴的结构对形成脉冲流体的机理进行了电路模拟分析,从而避开了直接对流体流场的计算及边界条件的处理。
The pulse fluid mechanism is analyzed with circuit simulation on the basis of the structure of pulse nozzle. which will directly avoid calculating the fluid yard and treating the boundary conditions.
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