后重新研究了岩石的结构和构造及地下水的渗透方式,分析了紊流理论的应用界限。
Then the texture, structure of rock and seepage manner of groundwater were studied further. The application ranges of turbulent theory were also analyzed.
论文包括四部分:气动分析与计算理论、紊流风场模型、动态失速模型、组件软件开发。
This paper includes four sections: aerodynamic analysis and calculation, turbulent wind field model, dynamic stall model, develop software with COM.
此项研究结果为用计算机进行紊流阻力系数的计算提供了可靠的理论依据。
The result of this research provides a reliable theoretical basis for using computer to calculate the turbulent flow resistance coefficient.
大气紊流现象可用随机过程的理论和方法来描述,其对飞行器的影响反映为飞行器含随机加速度分量。
The phenomena of atmosphere disorderly current can be described using random process theory, and its effect on the aircraft can be regard as that the aircraft acceleration contains random component.
通过大量的实验证明本文的研究方法及程序较好的模拟了弧形封闭管道的紊流速度分布情况,为下一步研究淤积管道的解决方法提供了理论依据。
Many experiments proved that the theory and program of this article are correct, and it is a good way to solve filled up pipe of circular section.
在常物性条件下,考虑有内部质量源时,对水中的金属腐蚀物杂质在加热管道中的紊流对流传质进行了理论分析和数值计算;
The theoretical analysis and numerical calculation are carried out for turbulent convection mass transfer in heated tubes with consideration of internal mass sources under constant properties.
采用紊流射流理论推出了新的壁面射流计算公式,并在正确描述喷注贯穿的基础上建立了有涡流作用的空气卷吸模型。
The theory of turbulent jet has been employed to induce new formulas for wall jet, and on the base of correct spray penetration, air entrainment model in swirl field has been built.
“遍历假说”的提出为统计紊流试验研究采用时间平均提供了理论依据,也使得试验工作在现实中是可以实现的。
"Traverse hypothesis" provides a theoretical basis for the statistical turbulence experiment research using time average, also makes the experiment achievable in reality.
壁面剪应力设计方法,从理论上把塞流顶替、低速顶替及紊流顶替技术统一起来。
Wall shear stress method integrates the plug flow displacing, the low speed displacing and the turbulent flow displacing methods in theory.
本文运用扩展的DLVO理论和细粒在紊流中的凝聚动力学理论,研究了粗粒效应的机理。
Applied the extended DLVO theory and hydrodynamic interaction of fine particles in turbulent flow, mechanism of coarse particle effectiveness has been studied in this paper.
论述了应用随机最优控制理论的基本原理和方法,解决飞机在大气紊流中着陆的控制问题。
This paper deals with the problems of the optimal control of the airplane landing in presence of atmospheric turbulence with application of the theory and methods of random optimal control.
总体上,基于紊流混合长理论的模型,形式简单,但适用范围有限。
Generally speaking, the models based on the turbulence mixing theory are formally simple, but have a limited application area.
采用理论分析和试验研究的方法,就圆端形桥墩周围的水流紊动特性和紊流宽度开展试验研究。
The characteristic and its width of the turbulence around the round-ended pier have been studied.
本文以紊流统计理论为基础,介绍了紊流的统计平均和时间平均。
This paper is based on statistical theory, describes the statistical average and time average of the turbulence.
本文应用作者提出的紊流随机理论,全面讨论了平板边界层紊流的时均结构。
On the basis of stochastic theory of turbulent flow developed by the author, the mean structure of turbulent boundary layer flow near a plate is discussed in detail.
本文以流体力学理论为基础,提出在应用自由紊流的絮凝池内,大小不同的颗粒均可处于良好絮凝状态。
Based on the theory of fluid mechanics this paper suggests that different-size particles can be satisfactorily flocculated if free turbulence occupies almost all the space of the flocculator.
本文论述了紊流型泥石流河道模型试验的相似理论。
This paper deals with the laws of similarities about the turbulent mudstone flow for the model experiment.
根据窦国仁的紊流随机理论,建立了一种模拟河口海岸水域中航槽三维流动的数学模型。
A 3d numerical model is established based on the stochastic turbulence theory developed by Dou Guoren, which can simulate flow in dredged channels in coastal and estuarine areas.
根据窦国仁的紊流随机理论,建立了一种模拟河口海岸水域中航槽三维流动的数学模型。
A 3d numerical model is established based on the stochastic turbulence theory developed by Dou Guoren, which can simulate flow in dredged channels in coastal and estuarine areas.
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