壁面

C的研究表明南极地区撞击坑的壁面比预期的更有反光性。

Clementine 's data indicated that the wall of the south-polar crater was more reflective than expected .

住宅CAD系统中内壁、外壁及垂壁面生成技术

The Technology of Generating the Inner , Outer and Hanging Wall Surfaces in Housing CAD Systems

本文给出了V形壁面热膜测量物面摩擦应力的方法研究。

A study of skin friction measuring technique by the v-shaped double surface hot film is presented .

Stanton－Tube在测量流体壁面剪切力中的几个问题

Some problems of wall bounded shear stress measuring device-stanton tube

应用分区非结构化网格，进行了二维可压缩湍流流场的数值模拟，在数值计算中应用了kε湍流模型，并考虑壁面热辐射的辐射传热模型；

The unstructural grid , k - ε turbulence model and heat radiator model were applied to simulation for a unsteady axisymmetric flow field .

2H2+O2爆轰波后壁面热交换测量

Heat transfer measurement on the wall behind detonation waves

动脉中非平稳流动壁面剪切力及其Hilbert-Huang变换

Nonstationary Flow Shear Stress and Its Hilbert-Huang Transformation in Arteries

证明了底部加热壁面材料热物性的综合数（λρc）s是影响沸腾换热的重要因素。

The re - sults showed that the combined parameter (λρ c ) _S of the thermal physical properties of the surface material are important factors which influence the nucleate boiling heat transfer .

二维Rankine体升力受邻近壁面干扰的简化算法

Simplified algorithm for wall effect on the lift of 2D Rankine oval

但是LES方法对网格的要求是非常严格的，尤其是近壁面处。

LES , however , has a strict demand for grids , especially near rigid walls .

对于数值模拟，文中假设采用标准的湍流模型，标准的近壁面函数，SIMPLE算法，且湍流动能、湍流耗散项、动量方程都采用一阶迎风格式离散。

ε standard turbulent model , standard Wall Function , SIMPLE method are adopted in this numerical simulation , and the Turbulence Kinetic Energy , Turbulence Dissipation Rate , Momentum Equation adopt First Order Upwind difference scheme for discreteness .

设计时必须保证在此温度下DPF的载体壁面不会发生破裂，以免影响其正常工作。

We should keep the filter wall not to crack at this temperature when designing the DPF .

文中还分析了聚合物溶液浓度、管径对减阻起始时的壁面切应力TW、其他减阻起始参数以及减阻起始后流动曲线的趋向的影响情况。

The concentration of polymer solutions , the diameter of pipes effect on onset wall shear stress Tw ~ and the tendency of the flow curves after onset are analyzed .

假设流体为纯的SCF，喷嘴壁面光滑，流体流动为稳态过程。

We assume fluid is pure SCF , smooth surface of the nozzle , fluid flow is a steady-state process .

低扬程双向流道泵站是我国独创的泵站型式，为深入了解其流道内流场特性，首次运用基于壁面律的RNGkε的湍流模型对流道进行数值模拟。

The RNG k - ε turbulent model with wall-function law is firstly applied to simulate the flow of the reversible two-way passages pumping station .

本文利用混响声场吸声系数α、立体角、平均自由程及壁面吸收声能等统计声学概念，用简单方法导出混响声场吸声系数α与统计能量分析（SEA）损耗因子η之间的关系。

Relation between acoustical absorption coefficient α and loss factor η in reverberant field with statistical energy analysis ( SEA ) was derived using concise statistical acoustical concepts , such as acoustical absorption coefficient α, three-dimension angle , mean free path and surface absorption energy .

反之，当d/w较小时，沿d、w二个方向的速度分布都为抛物线，上下左右壁面影响都不可忽略。

Conversely , when d / w is small , the velocity contribution along both directions are parabola , thereby the influence of all walls ( upper and lower , right and left ) could not be ignored .

详细讨论了曲率、挠率、Dean数对二次流动、流函数等值线和轴向速度的分布以及壁面摩擦力的影晌。

The effect of curvature , torsion and Dean number on secondary flow , the isoline of stream function , the distribution of axial speed and wall friction is discussed in detail .

计算得到的壁面温度与热流直接加载到CFD模型的能量方程中，从而实现边界条件的精确化。

The calculating results of wall surface temperature and heat flux could be directly treated as the energy boundary conditions in the CFD model , and thus the accuracy of boundary conditions can be derived .

考虑到可压缩和热传导效应的壁面函数边界条件，被耦合到了采用k-ω两方程湍流模型、用有限体积法求解N-S方程的程序中。

Wall function boundary condition considering heat transfer and compressibility was coupled in N-S codes which use finite volume method and two equations k - ω turbulence model .

然后利用拟谱方法进行数值模拟，用Matlab软件绘制出非线性表面波的瀑布图，由此研究壁面变化对非线性表面波的影响。

Then , the numerical simulation has been made by pseudo-spectral method ( PSM ), and the waterfall plot of the wave was draw with Matlab . So the effects of different variational walls on the nonlinear surface waves could be analyzed .

采用计算流体动力学（CFD）数值模拟的方法，在周期性脉动速度入流条件下，建立刚性动脉瘤模型并研究了动脉瘤模型中流场的特征（速度、压力、壁面剪切应力）。

With the inflow boundary condition of periodic pulsatile velocity , rigid aneurysm model is established and the features ( velocity , pressure and wall shear stress ) of the flow field in aneurysm are investigated numerically .

修正了大涡模型亚格子应力的湍动粘度，以改善大涡模型对壁面湍流的描述，在壁面处得到与DNS直接数值模拟相近的结果。

The eddy viscosity of subgrid-scale stress in LES model was modified in order to improve the description of turbulence near the wall , and the present results was close to those of DNS .

通过与实验结果以及BL模型计算结果的比较，表明不需要任何经验系数及壁面函数的GAO-YONG不可压湍流模型方程组能够对有压力梯度的湍流流动做出更好的预测。

All the results further verify the adaptability of the GAO-YONG turbulence model , without using empirical coefficients and wall functions , to real turbulent flow with pressure gradient .

贫-贫燃烧模式的稳定性也很好，火焰筒壁面温度比较均匀，热力型NOx排放相对于一级模式有所降低，符合实际情况。

The stability of the Lean-Lean operation mode of the Gas fuel DLN-1 combustor is also very good , and the surface temperature of the combustor is even , the emission of the thermal NOx is decreases compare with primary operation mode .

利用ADV测流技术实测流速剖面，分析壁面切应力流速和分区平均流速以率定不同的壁面糙率。

The wall roughness coefficients were calibrated by the shearing velocities and zoned average velocities that were analyzed from velocity profiles measured by means of acoustic doppler velometer ( ADV ) technology .

通过对结果的分析，得出更容易形成灰污层的壁面，并且将壁面温度与煤灰的软化温度DT进行比较，进而判断出炉膛内容易沾污的区域。

Fouling layer wall which is more easily formed is obtained through analysis of the results , and comparisons are made between the wall temperature and softening temperature that can determine the contents contaminated easily of the regional chamber .

测量了该空调器在不同室外温度、湿度条件下制热量、性能系数（COP）、系统循环参数、室外换热器结霜量及壁面温度分布随结霜时间的变化。

The transient heating capacity , coefficient of performance ( COP ), cycle parameters of the ASHP system and frost accumulation amount on the outdoor heat exchanger surface , wall temperature distribution along the heat exchange tubes are measured under frosting conditions .

通过对流场的平均温度、出口温度和壁面平均Nu数的比较发现，矩形结构表面具有较好的对流换热性能。在场协同原理基础上对该结论进行分析。

Through the comparisons of average temperature , outlet temperature and average Nu , it is found that the rectangular structure surface possesses better heat transfer performance . This conclusion is analysed based on field synergy principle .

应用壁面剪应力固井解决了委内瑞拉Caracoles油田固井实践中存在的顶替效率问题。

The replacement efficiency problems encountered in casing cementing practice in Caracoles Oil Field of Venezuela was resolved by using wall surface shearing stress cementing .