用粒子成像测速技术（PIV）和稳态法分别测量均相流体在热管生物反应器中湍流时的流场、温度场；
The flow field and temperature field of the uniformity phase fluid were measured by PIV and the steadystate method during the state of onflow.
同时计算了耗散尺度、泰勒尺度、剪切尺度和积分尺度等特征量，并给出它们沿平板湍流边界层法向位置的变化规律。
Dissipative, Taylor, shear and integral scale are calculated, and the relationship between them and vertical locations in turbulent boundary layer are obtained.
为准确预测不可压复杂湍流，提出了一种应用于大涡模拟的高精度有限体积法。
An high accurate finite volume method for large eddy simulations (LES) was developed to precisely predict complexs incompressible turbulent flows.
用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。
Structures of the skin friction lines (SFL) appearing on a prolate spheroid in laminar and turbulent flows were investigated and compared by using an improved oil-flow visualization technique.
给出了描述活塞风流动的三维湍流流动的不可压n - S方程，采用有限体积法对控制方程进行离散。
A three dimensional turbulent flow is studied by the computation of the incompressible N-S governing equations. The finite-volume method was used to discrete the equations.
利用孔板平动法生成湍流，通过调节平板孔径的大小和驱动电机的转速来达到在定容燃烧弹内生成不同频段湍流特性的目的。
Turbulent characteristics of different frequency band in constant volume combustion bomb can be realized by changing the structure of the perforated plate and the velocity of driving motor.
采用气-液两相流两方程湍流模型，结合混合有限分析法，对静止环境中气泡射流进行数值模拟和分析。
A two phase turbulence model and hybrid finite analytic method (HFAM) are used to predict the behavior of bubbly jet in static environment.
应用湍流数学模型和流体体积法模拟孤立波翻越防波堤的流动和自由表面变化。
The free surface flow of a solitary wave overtopping an erect breakwater was simulated using turbulent model and the VOF method.
本文采用黏性三维湍流流动分析法，通过Fluent软件分析了重力场对灯泡贯流式水轮机流场分析和水力性能预估的影响。
The software FLUENT for 3d viscous turbulent flow is used to analyze the influence of gravity on flow field analysis and hydraulic performance evaluation of bulb turbine.
在湍流模型下，使用有限体积法求解质量守恒方程、动量方程、湍动能方程和湍动耗散率方程。
In turbulence model, the simulation applied finite volume method to solve the mass conservation equation, momentum equation, turbulent kinetic energy equation and turbulent dissipation rate equation.
选用三维湍流数值模拟的方法，用有限体积法对控制方程进行离散。
Three-dimensional turbulence numerical simulation method was used, and the control equations are discrete by the finite volume method.
通过模拟法和数字法处理数据，得到了迴流区的平均速度和湍流度分布，还从数字数据处理器得到了速度概率分布和概率密度函数。
Two data processing methods, one analogue method and the other digital, were employed in order to obtain the profiles of mean velocity and turbulent intensity.
频域分析法能全面考虑大气湍流的特性，且计算简便，因而得到了广泛的应用。
The frequency domain analysis can take into account the characteristics of atmospheric turbulence, and the calculation is simple, so this method have been widely used.
频域分析法能全面考虑大气湍流的特性，且计算简便，因而得到了广泛的应用。
The frequency domain analysis can take into account the characteristics of atmospheric turbulence, and the calculation is simple, so this method have been widely used.
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