Numerical simulation of unsteady flow.
非定常流下的数值模拟。
As an exploratory research, unsteady flow model is feasible and potential.
作为探索性研究，非恒定流模型是可行的，有发展潜力的。
The phenomenon and law of unsteady flow in blade diffusor is analyzed in detail.
详细分析了叶片扩压器内部的非定常流动现象和流动规律。
The calculation results of unsteady flow in an exhaust manifold model are presented.
最后对一根模型排气管进行了不稳定的流场计算。
The time-average of the unsteady flow-field obtained in the computation is discussed.
本文论述了计算所得的非稳态流场的时均值。
Thus, a new approach was available to utilize the potentiality of intrinsic unsteady flow.
为固有非定常潜能的利用提供了一类新途径。
To solve this problem, this paper puts forward a method for obtaining unsteady flow velocity.
为解决这一问题，提出一种非稳定流动速度确定方法。
Numerical studies about cascade unsteady flow and the edge-matching technique are presented in this paper.
本文采用数值方法对叶轮机基元非定常流和排间匹配进行深入研究。
A numerical model for simulating unsteady flow and suspended sediment transport in river networks was presented.
所有单一河流断面处的含沙量通过单一河流悬沙输运的求解方法获得。
In this paper, the Euler amplitude equation is developed to obtain the unsteady flow field in vibrating cascades.
本文提出了用小扰动欧拉振幅方程求解振动叶栅非定常流场的方法。
The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.
管道中非稳定流动的分析方法主要有频域法和时域法。
The unsteady flow in a jet pump is calculated and the reasonable calculation result was gotten based on above research.
在此基础上对射流泵内非定常流动进行了数值模拟，得到了合理的计算结果。
The unsteady flow in oil pipeline can be effectively analysed by use of different numerical methods as well as computers.
输油管道中油品的不稳定流动问题，可以采用各种数值法并借助计算机进行有效分析。
The relationship between unsteady flow and blade loading distributions is very important in the design of turbomachinery.
叶轮机内部非定常流动与叶片表面负荷分布之间的关系对于叶轮机的设计非常重要。
Internal performance of unsteady flow of counterflow thrust vectoring nozzle has researched base on numerical simulation.
基于数值模拟方法，研究了逆流矢量喷管非定常内流性能。
The unsteady flow in an oscillating cascade with propagating stall was simulated numerically with discrete vortex method.
采用离散旋涡法对振荡叶栅传播失速不稳定流场进行了数值模拟。
In this paper, the blade optimization effect has been investigated by numerical method under the condition of unsteady flow.
本文对叶型优化在非定常流动条件下的效果进行数值研究。
Lastly, the results of unsteady flow point out, counterflow thrust vectoring nozzle is a efficiency fluidic vectoring nozzle.
最后，非定常流的结果进一步表明，逆流喷管是一种较高效率的射流式矢量喷管。
Numerical results of steady flow in the VKI gas turbine cascade and unsteady flow in a 1.5 stage steam turbine are presented.
文中给出了VKI透平叶栅内的定常流结果和1.5级透平叶栅内的非定常数值结果。
Additional visual observations are usually in order to establish the advent of unsteady flow, intermittent stall, and full stall.
通常采用另外一些目视法来确定非常定流断续失速和全失速的出现。
The steady flow theory, being a special example of unsteady flow theory, is widely used in the calculation of interferential Wells.
稳定流理论作为非稳定流理论的特例，在干扰井群计算中应用较广泛。
It is clarified by experiments that the flowmeter used for measuring unsteady flow is not only simple but also precise and practical.
实验证明，这种流量计不仅结构非常简单、实用，而且对非定常流量的测定具有较高的精度。
The pentahedral bicharacteristic curve grid can be applied to investigate the thrust misalignment characteristics in a unsteady flow.
证明五面体双特征曲线网格方法可用来研究非定常流动条件下的推力偏心特性。
The fluid mechanics equations of one-dimensional incompressible unsteady flow are adopted in whole low-speed turbo-compression system.
本文将一维非定常不可压流体力学方程组，应用于整个低速透平压缩机系统。
A one-dimensional unsteady flow model is established based on the topography of the river course between the Three Gorges and Zhicheng.
针对三峡—枝城河道的地形特征，建立一维不稳定流模型。
Time precision of calculation results of unsteady flow field was ensured by using combined method of dual-time step and preconditioning.
采用双时间步和预处理相结合的方法计算非稳态流场，保证了采用预处理方法后计算结果的时间精确性。
Numerical simulation in one-dimensional unsteady flow of thermal dynamic cycle process in PDE is presented by the characteristic method.
对脉冲爆震发动机的热力循环过程应用特征线法作了一维流场的数值模拟。
Steady water surface profile of gradually varied flow can be calculated using either a steady flow approach or an unsteady flow approach.
使用计算机计算明渠恒定渐变流水面曲线有两种分法：恒定流方法和非恒定流方法。
In this paper, a FVM-TVD method for simulation of one-dimensional unsteady flow in inlet and exhaust manifold of ICE has been constructed.
介绍了进排气系统一维非定常流动的FVM-TVD法（总残差减少的有限体积法）。
In this paper, a FVM-TVD method for simulation of one-dimensional unsteady flow in inlet and exhaust manifold of ICE has been constructed.
介绍了进排气系统一维非定常流动的FVM-TVD法（总残差减少的有限体积法）。
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