To address the unsteady performance of common classifier in global environment and local region, this paper proposed a double-classification strategy and its implementation algorithm.
针对常见分类算法在全局和局部区域性能不一致的问题，提出了双层分类策略及其实现算法。
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。
Present method is reliable and effective by the calculation results. It is very successful in the calculation of the pressures and hydrodynamic performance of the propeller in unsteady condition.
实例计算结果表明本方法是可靠和有效的，在螺旋桨水动力性能预报和压力分布等方面的计算是非常成功的。
A quasi one dimensional unsteady numerical analysis of supersonic combustor performance has been conducted.
完成了超音速燃烧室内非定常准一维流的数值模拟研究。
An additional control system has been applied in 231a_4g model carburetor in order to improve its performance under unsteady running conditions.
为解决231a_4g型化油器在不稳定工况下存在的问题，采用了一种化油器附加控制系统。
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 kid good study make it a rule in the formation process often appear again and again, their habitually rise and fall variety, the performance be unsteady.
幼儿良好学习习惯在形成过程中常出现反复，他们的习惯起伏变化，表现不稳定。
The performance of pressure driven membrane processes may be significantly improved when unsteady fluid instabilities are superimposed on crossflow.
在十字流膜滤的基础上采用不稳定流动方式，则压力驱动的膜过滤过程将得到强化。
This paper has adopted the lifting-surface method for the prediction of unsteady hydrodynamic performance and cavitation performance of propeller.
本文采用升力面理论预报螺旋桨非定常水动力性能及空泡性能。
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。
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
采用离散涡方法数值仿真了不同来流攻角下，固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
One and a half stages of a subsonic compressor were simulated with steady and unsteady calculation, comparing the performance with different combination of tip leakage and seal cavity.
本文对某亚音轴流压气机的中间三排叶片进行定常与非定常数值模拟，分析在不同的动叶叶顶间隙和静叶气封间隙组合下压气机的流动特性。
Recently, the unsteady characteristics of tip clearance flow, which appears in some flow conditions, was discovered and its influence to the compressor performance was recognized.
近年来，人们发现压气机叶顶间隙流并非始终处于定常状态，在某些流动条件下，它会产生明显的非定常波动，并影响压气机的总性能。
Recently, the unsteady characteristics of tip clearance flow, which appears in some flow conditions, was discovered and its influence to the compressor performance was recognized.
近年来，人们发现压气机叶顶间隙流并非始终处于定常状态，在某些流动条件下，它会产生明显的非定常波动，并影响压气机的总性能。
应用推荐