Experimental investigation of flow field in both straight and positive bowed stator passages with cantilever blades Effect of different incidences on turbine cascades flow in blade tip clearance 带根部间隙的直、弯压气机静叶流场的实验冲角变化对涡轮叶栅内间隙流动的影响
This paper presents the numerical investigation on a high pressure ratio, high special speed and transonic centrifugal impeller with and without tip clearance. 使用非结构化网格上的有限体积法,数值研究一半开式离心压缩机叶轮的内部流场、气动性能随叶顶间隙的变化规律。
Effect of different incidences on turbine cascades flow in blade tip clearance 冲角变化对涡轮叶栅内间隙流动的影响
The high pressure turbine tip clearance variation versus time under different operating conditions were analyzed by the finite element method. 利用有限元分析软件分析了某型高压涡轮叶顶间隙在不同工况下随时间的变化。
This article investigates the nonlinear dynamic characteristics and stability of an axial flow compressor with tip clearance and ball bearings. 研究叶尖气隙和滚动轴承共同作用下轴流压缩机的非线性动力特性及稳定性。
Numerical Simulation Study on Multistage Compressor Performance with Changing Tip Clearance 叶顶间隙变化对多级压气机性能影响的数值研究
The theory and the characteristics of the force caused by the blade tip clearance are analyzed. 分析了叶轮偏心引起转子失稳的机理和特点。
Effects of casing air injection position on controlling tip clearance flow in axial turbines 机匣喷气位置对涡轮间隙流动控制的影响
Design of High Efficiency Turbine with Large Tip Clearance for Rocket Engine 大叶顶间隙高效率火箭发动机涡轮设计
UNSTEADY RESPONSE OF TIP LEAKAGE FLOW TO DISCRETE MICRO TIP INJECTION IN A TRANSONIC AXIAL COMPRESSOR AND ITS EFFECT ON STABILITY ENHANCEMENT A Numerical Simulation Consideration an Exhaust Gas Turbine Stage Cascade with Tip Clearance 跨音速轴流压气机叶顶间隙泄漏流对微喷气的非定常响应机制和扩稳效果研究
A commercial N-S solver has been employed for simulation and investigation of the unsteady flow field inside the tip clearance of a turbine rotor. 商用NS求解器已经被用于透平动叶顶部空隙的非定常流场的模拟和研究。
Numerical Research of Tip Clearance Flow Structure in a Pivoting-Stator of Radial Inflow Turbines 向心涡轮可调导叶间隙流动的数值研究
Research on turbofan engine HP-compressor rotor-12 blade tip clearance control 某型发动机高压12级转子叶尖间隙控制研究
Finally, an important combination parameter was put forward to reflect the overall influence of blade loading and tip clearance distribution on the tip leakage mixing loss. 最后提出一个重要的组合参数,反映了叶片尖部载荷和叶尖间隙的流向分布对叶尖泄漏掺混损失的综合影响。
Numerical Analysis of Tip Clearance Flow Characteristic in Axial Flow Pump 轴流泵端壁间隙流动特性的数值分析
Counter rotating turbine Effects of endwall relative motion on tip clearance flow in turbine rotors 正反转双转子涡轮机机匣相对转动对涡轮叶顶间隙流动的影响
Experiment Research of the Tip Clearance Measurement by Digital Radiography 转子叶尖间隙辐射成像测量实验研究
Application of superheterodyne FM reception in measurement of blade tip clearance 超外差调频接收技术在叶尖间隙测量中的应用
The computed conclusion show that the magnitude of tip clearance has close relationship with the intension of tip leakage flow. 根据所测量得到的三维速度,清楚地展现了转子顶部流动的特性,特别是泄漏流对顶部流动的影响。
Suppressed by the up passage vortex at upstream side of blade, the intensity and scale of the tip clearance leakage vortex is decreased. 渐缩型间隙在叶片前半轴弦受到上通道涡的抑制,减少了叶顶间隙泄漏涡的强度和范围;
The effects of tip clearance on duct propeller's performance were investigated in six different tip clearances. 选择六种不同的叶梢间隙研究叶梢间隙对导管桨性能的影响。
The results show that moderate tip clearance is needed to get better performance. 结果表明:适当小的叶尖间隙可以使转子获得较好的性能;
Effects of Turbine Tip Clearance on Gas Turbine Performance 叶尖间隙对涡轮气动性能影响的试验研究
Numerical Research on the Influence of Tip Clearance on Internal Flow Field in Impeller of Centrifugal Compressor 叶片开缝对离心压缩机叶轮内部流场影响的数值研究
Considering the special features of tip clearance flow, a multi block grid structure is adopted to facilitate numerical computations. 针对间隙流动的特殊性,采用流场分块的方法以提高网格生成质量和计算稳定性。
The calculating system concerning the effects of tip clearance on axial compression stability has been established. 将端部损失与时滞参数的状态修正相结合,建立了考虑叶尖间隙对压缩系统稳定性影响因素的计算系统。
The calculated results show that tip clearance has strong effects on the axial compression system stability. 计算结果表明:叶尖间隙对压缩系统稳定性有着重要的影响。
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss. 下游静叶干涉增加了动叶顶部间隙流的非定常波动强度和泄漏损失。
The influences of both scales and structures of tip clearance on compressor performance were investigated. 本文对某低速轴流压气机叶尖间隙尺度对性能的影响进行了实验研究,并通过不同的机匣结构情况研究一种叶尖漏流不敏感机匣。
The leakage flow of tip clearance has profound effects on the performance and stability of the compressor. 叶尖间隙泄漏流动对压气机性能和稳定性有着重要的影响。