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 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。
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 flow in the drainage pipe network is simulated by one-dimensional unsteady flow theory, and the calculation of the pumping stations, the water gates and submersed pipes is indicated.
采用一维非恒定流方程模拟地下排水管网内的水流，并给出泵站、闸门、淹没出流管道等排水系统的处理方法。
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 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 compiling of simulation calculation program for unsteady flow process of two-class turbocharged systems in diesel engines is completed in this paper.
并完成了柴油机两级涡轮增压不稳定流动过程模拟计算程序的编制，实现了对过程的模拟计算。
A problem about tubing string vibration caused by the fluid unsteady flow inside tubing string is studied from the Angle of solid liquid coupling vibration in dynamics.
文章从动力学中固液耦合振动的角度出发，研究了油管柱内流体不稳定流动引起的油管柱振动问题。
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）。
The unsteady flow in the high pressure steam valve cause unusual vibration, the valve pole to be destroyed, the pressure while flowing to be lost, etc.
高温、高压、高压差的蒸汽调节阀中的流动不稳定导致异常的振动，造成阀门的磨损及阀杆破坏以及流动中的压损。
After making a lot of mathematical calculations by use of the mathematical-physical method, the formulas describing the gas unsteady flow in various loop networks are obtained.
然后应用数学物理方法，经过一系列的数学演算过程，最后得出描述各类环形管网内气体不稳定流动规律的数学表达式。
The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method.
采用参数多项式方法和振荡流体力学理论，求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。
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。
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。
In this paper, the effects of solidity of rotor-stator cascades on axial-flow compressor performance are investigated with steady and unsteady flow calculation.
采用定常流和非定常流计算方法研究了各种动静叶稠度组合对轴流压缩机性能的影响。
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。
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。
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。
Based on the steady flow module of the TRIP software, the unsteady flow module is developed, using a dual time algorithm and a dynamic grid technique.
在TRIP软件定常模块的基础上，采用双时间法和动网格技术开发了非定常模块。
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。
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。
Test results have shown that the test technology is effective and suitable for test of unsteady flow frequency spectrum performance of axial compressor.
试验结果表明，该试验技术对进行轴流压气机叶片排流场非定常频谱特性试验是行之有效的。
An experiment was made in an annual cascade to explore the unsteady flow mechanism of skewed slot hub treatment in removing flow separation near hub.
在低速环形叶栅实验台上圆弧斜槽处理轮毂相对静子扩压叶栅环的旋转频率对叶栅端壁区流动进行了影响实验探索。
This paper also calculates the unsteady flow of the hydropower station's model by using of the characteristics method, the calculated result is extremely close to the experimental result.
本文还采用非恒定计算的特征线法，对该水电站引水系统模型非恒定流进行了计算，其计算结果与模型试验结果吻合。
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。
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。
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。
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。
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。
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。
应用推荐