查询词典 numerical coefficient

According to the theory of flow diffusion and convection, three-dimensional state equation of radon field is established for constant and variable diffusion coefficient and convection rate. The numerical solutions for different coefficient and different boundary conditions are obtained for two models of radon field which have respectively source in the side and inside of collapse column.

根据流体场的扩散理论和对流理论，建立了扩散系数与对流速度为常量或变量情况下的氡气场三维状态方程；对於陷落柱柱体侧面有源氡气场和柱体体内有源氡气场两种理论模型，给出了不同系数和边界条件下的数值解的形式。

According to different seasons and different synoptic situations, the accommodation function of complex error coefficient and raising dust coefficient is added to this model system and various numerical simulation experiments are made.

该文针对CAPPS在太原市运行的误差问题，在分析其主要原因的基础上，变换地形背景场，依据不同季节、不同天气形势，在模式中增加对综合误差系数和扬尘系数的调节功能，进行多种数值模拟试验。

In the text, differential coefficient method and numerical value differential coefficient method have been introduced for crank slide block machine accuracy analysis, and influence of the fitting clearance of moving pair to component moving error has been given.

文章介绍了微分法及数值微分法曲柄滑块机构精度分析，说明了运动副的配合间隙对构件运动误差的影响。

To investigate the influence of an upstream ramp on film cooling heat transfer coefficient, a numerical simulation method on the distributions of the flow fields and heat transfer coefficient was adopted with different heights of upstream ramp s in several ratios.

为了获得气膜孔上游放置斜坡对气膜孔换热特性的影响规律，采用数值模拟方法研究了斜坡的台阶高度分别为0.3D，0.5D和0.75D时在不同吹风比下的流动过程和换热特性分布情况，并与常规气膜孔冷却结构形式进行了对比。

As a test problem, the steady flow fields and hydrodynamic forces of a 6:1 prolate ellipsoid at different incidence angle are computed. Computed results including surface pressure coefficient, surface friction coefficient, and body hydrodynamic coefficients, are compared with experimental and numerical ones of published papers, the agreement is satisfactory.

作为算例之一，给出了6：1椭球体在不同攻角下定常流场和水动力的数值计算结果，包括物体表面的压强系数、切应力系数的分布及物体所受升力系数、阻力系数和力矩系数随攻角的变化规律，并与国外文献的计算和实验结果进行了比较，符合程度令人满意。

The fluid flows and heat coupled calculation method is used. The standards two equations turbulence models, velocity and pressure coupled arithmetic are used.According to the results of numerical simulation analysis the local coefficient distribution changes along the pin fins.Study the effection that its height and shape of the pin fins have on the average Nu and the average number of pressure loss coefficient Eu.The circle-shaped and elliptic-shaped pin fins have different circumcolumnar regional,therefore the mixed conditions are effected.

数值计算中采用标准双方程湍流模型，速度压力耦合算法；根据数值模拟的结果分析沿扰流元的局部换热系数分布变化，研究其扰流柱高度及形状对扰流柱通道平均努赛尔特数Nu和平均压力损失系数Eu的影响，圆形和椭圆形扰流柱的绕流尾涡影响的区域的不同对扰流柱群内流体混合状况的影响。

The numerical results become visible and vivid with software TECPLOT. And the data is processed to get temperature coefficient of ununiformity, velocity coefficient ununiformity and air diffusion performance index.

求得工作区域的速度不均匀系数、温度不均匀系数以及空气分布特性指标，为车室内气流组织分布的优化设计提供依据。

The numerical example shows that the coordinate of arch axis positioned by the method is reasonable and the moment of the main arch ring can be reduced effectively by the methods of average weight coefficient arid gauss weight coefficient.

算例分析说明求解的拱轴线坐标是合理的，应用平均加权和高斯加权方法可有效减少主拱圈弯矩。

An 1-D sediment mathematic model is developed in the second part. Techniques are suggested for some problems in calculations, such as the effective suspended load carrying capacity of the different bed material reach, the coefficient of suspended load carrying capacity, the recovering coefficient of the carrying capacity, the thickness of the mixed layer, the transport width of the bedload, bifurcation and confluence of main and branch channel, and the distribution of deposition and erosion along the cross section, etc. The numerical scheme of 1-D model is induced.

第二部分建立了一维泥沙数学模型，对计算中的几个关键问题提出了处理方法，如不同床沙组成河段的有效挟沙力、挟沙力系数、挟沙力的恢复饱和系数、床面混合层厚度、推移质输移带宽度、干支流入汇及分流问题、横断面冲淤形态及断面修正方法，导出了一维模型的差分格式。

The results show that the rate of heating decreases due to the growth of oxidation layer in soaking process when the thermal resistance between gas and slab increases. The quantity of loss of iron scale increases with the increase of the coefficient of air consumption under the condition of certain soaking temperature. When the coefficient of air consumption is certain, the quantity of loss of iron scale increases with the increase of soaking temperature rapidly. The results of numerical simulation is consistent with experimental ones, and the error is very small within the range of soaking temperature in CSP line.

研究结果表明：在加热过程中生成的氧化层增大了换热热阻，使钢坯的加热速度减小；钢坯氧化烧损量随加热速度的增大而减小；当达到同一特定的均热温度时，钢坯氧化烧损量随空气消耗系数的增大近似呈线性递增；当空气消耗系数一定时，钢坯氧化烧损量随均热温度的提高而急剧增加；数值计算结果与实验结果变化趋势一致，并在CSP均热温度范围内较吻合。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。