The new coordinate system is adapted to important features of flow fields.
所提出的新坐标系能自适应于流体流场的若干重要特性。
The internal flow fields in scramjet are very complex, due to the interaction of shock waves, expansion waves, boundary layer and strong reactions.
超燃冲压发动机的内部流场很复杂，存在激波、膨胀波、附面层和剧烈的化学反应等相互作用，给数值模拟带来很大的困难。
Computer fluid dynamics (CFD) is adopted to simulate the flow fields of a catalytic converter while researching the working process of an emission postprocessor.
运用计算流体动力学对汽车排气催化转化器气流特性开展数值模拟。
Therefore, developing scientific visualization methods for observing and studying unsteady structures in these complex flow fields has a significant and practical meaning.
因此，探索用科学计算可视化的手段，观察和研究这类复杂流场中的不稳定结构就具有重要和现实的意义。
The uniqueness theorem of monopolar ion flow fields is first discussed and proved.
本文首次讨论了单极性离子流场的唯一性定理，并作了理论证明。
This program can be applied to the analysis of internal flow fields in water and oil pumps.
本程序可运用于水泵，油泵等内部流场的分析。
The details of the flow fields such as the backflow, vortex and secondary flow were revealed.
揭示了导叶内部回流、漩涡，以及出口流动滞止区、二次流等流动细节；
A numerical method of computing steady supersonic flow fields by using adaptive streamline grids.
提出一个用自适应流线网格计算定常超声速流场的数值方法。
The exit flow fields of a turbine cascade with or without the front guide vanes were investigated.
详细测量了平行进口端壁附面层与设前导叶两种进口条件下某涡轮叶栅的出口流场。
The flow fields in the HP medium speed mill were simulated by employing the numerical simulation meth-od.
利用数值模拟法对中速磨煤机内的一次风流场进行了模拟。
Draws some qualitative conclusions according to the analysis of flow characteristics of different flow fields.
通过对几种不同形式流场流动特性的分析，得出了一些定性的结论。
The hot flow fields in liquid rocket engine combustion chamber with and without baffles are simulated numerically.
用数值方法模拟了液体火箭发动机燃烧室内有无隔板两种情况的热态解。
The effect of cross angles and density ratios on coaxial cross jets flow fields was investigated by using Dual PDA.
研究了射流交叉角度和密度比对同轴交叉射流流场的影响。
During the rainstorm, the baroclinic component of the real atmospheric flow fields was very strong over high levels.
暴雨期间实际大气流场高层的斜压分量很强；
Most of the flames in practical combustors are established in flow fields of the structure of the shear layer of jets.
多数实用燃烧装置的火焰建立在具有射流剪切层结构的流场中。
In most cases, a phenomenon in such type of flow fields is difficult to be described and analyzed in an analytic form.
这类流场中发生的现象在多数情况下难以用解析形式描述和分析。
The flow fields of ultra micro rotary fluid fragment or were measured and investigated by using laser Doppler anemometer.
采用激光多普勒测速仪，对超细旋液粉碎器工作腔内流场进行测量和研究。
An implicit time-marching method is presented for computing the three-dimensional steady inviscid compressible flow fields.
本文提出了求解三维定常无粘可压缩流场问题的一种隐式时间推进法。
The atmospheric flow is divided into barotropic and baroclinic flow fields in a dipole blocking case over the Ural mountains.
将阻塞过程中的大气运动流场分解为正、斜压流场，研究了它们在乌拉尔山偶极型阻塞个例中的演变特征。
The near wake flow fields are calculated by simultaneously solving the viscous shear layer and the inviscid rotational region.
本文采用联立求解粘性剪切层和有旋无粘区的方法计算了再入钝头体层流近尾流场。
The inner channel flow fields in the belt freezer were calculated with the transmission belt moving by use of the PHOENICS code.
用PHOENICS软件对某型板带式速冻机载货板带运动时的内部通道流场进行了数值计算。
The research and analysis of the in-cylinder flow fields in a four valve engine under the motored condition have been carried out.
在倒拖工况下对四气门发动机气缸内流场进行了实验研究和分析。
Abstract: To master the distribution laws of gas flow fields is the premise of designing reasonable project for goaf gas extraction.
摘要掌握采空区瓦斯分布规律，是制定合理的抽采采空区瓦斯技术方案的前提。
Experimental results show that by using an optimal Angle of inclination energy losses can be reduced and outlet flow fields improved.
实验结果表明：采用最佳倾斜角叶片能降低叶栅能量损失和改善叶栅出口流场的气动性能。
Rarefaction effect on supersonic flow fields in the transition from near continuum to near free-molecule flow is analyzed numerically.
从近连续流到近自由分子流，计算分析超声速流场的稀薄效应。
The 3 D incompressible N S equations with momentum source terms are solved to simulate the flow fields of coaxial rotor configurations.
通过数值求解带有动量源项的三维不可压缩N-S方程，模拟了共轴式双旋翼的流动。
During polymer processing, such as extrusion, injection molding, and fiber spinning, polymer materials are subjected to various flow fields.
在聚合物加工过程中，比如挤出、注塑以及纺丝等，聚合物材料将遭受各种不同的流动场。
During polymer processing, such as extrusion, injection molding, and fiber spinning, polymer materials are subjected to various flow fields.
在聚合物加工过程中，比如挤出、注塑以及纺丝等，聚合物材料将遭受各种不同的流动场。
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