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- tip clearance leakage flow 间隙泄漏流动
- NUMERICAL SIMULATION OF LEAKAGE FLOW IN ROTOR TIP CLEARANCE OF A TRANSONIC TURBINE STAGE 多级轴流压气机三维气动设计的一种快速方法
- tip clearance leakage 叶顶间隙泄漏
- clearance leakage flow 间隙泄漏流
- Therefore,for the adjustable blade spiral mixed flow pump,the design of fixed guide blade should be paid attention to and the tip clearance of blade should be rationally selected. 因此，对于可调叶片蜗壳式混流泵应重视固定导叶的设计，合理地选择轮缘间隙的大小。
- Venter, S. J. and Kroger, D. G. " The Effect of Tip Clearance on the Performance of an Axial Flow Fan,” Energy Convers. Mgmt, Vol. 33, No. 2, pp. 89-97, 1992. 林育洲，“轴流风扇之数值与实验分析”，国立台湾科技大学机械工程技术研究所硕士论文，1998年7月。
- By using nonoverlapping domain method,a 3-D viscous code had been developed to calculate flow field in a cascade with tip clearance and craping along casing. 本文给出了一种基于区域分解算法的可考虑动叶顶部间隙和机匣刮削作用的涡轮级计算方法。
- Abstract: By using nonoverlapping domain method,a 3-D viscous code had been developed to calculate flow field in a cascade with tip clearance and craping along casing. 文摘:本文给出了一种基于区域分解算法的可考虑动叶顶部间隙和机匣刮削作用的涡轮级计算方法。
- Based on the clearance flow behavior of fluid,the interior structure and leakage flow were analyzed and the mathematical model of leakage flow about the internal gear pump was established. 根据流体间隙流动特性,分析了内啮合齿轮泵内部结构及其泄漏通道,建立了内部泄漏流量的数学模型;
- Numerical simulations on tip clearance flow in Aachen 1?1/2 axial-flow turbine stages are performed. The formation and development of tip clearance flow and tip vortex and the influences on turbine performances are investigated. 以Aachen一级半轴流透平为研究对象;采用数值模拟手段对不同动叶顶部间隙情况下的间隙流进行了分析;研究了间隙流和间隙涡的形成、发展形式及其对透平性能的影响.
- Calculations show that the annular clearance leakage by the mode of gradually reducing clearance is much less than that by the mode of equidimension clearance. 文末算例表明,渐缩间隙模型的环隙漏失量比平行平板模型的环隙漏失量小得多。
- The numerical results show that blade cutting causes the development of tip clearance vortices and blade passage blockages, which reduce the flow rate and the work done by the blade. 基于数值计算结果的流场分析表明，叶片磨短后叶顶间隙涡进一步发展，阻塞叶顶流道，使流量锐减，同时降低了叶片顶部区域做功能力。
- Abstract: A 3D numerical solution of transonic turbulent flowfield inside a compressor rotor is analyzed with a consideration of blade tip clearance. 文摘:借助于考虑叶片顶部间隙的压气机转子内跨音速湍流流场的三维数值解，得到了该转子流场中的复杂涡系与波系结构。
- For different tip clearances,the tip boundary layer and the breakdown of tip leakage vortices play different roles in rotor stall. 在不同叶尖间隙下,叶尖附面层和泄漏涡的破裂对风扇转子的失速起不同作用。
- Based on the above,mechanisms of the influence of tip clearance of rotating blades on aerodynamic-aeroacoustic performance are revealed preliminarily. 初步揭示了非自模化区域内动叶叶尖间隙对气动-声学性能影响的机理。
- The unsteady flow indicates that the upstream wake can influence the boundary layer,wake and leakage flow of the downstream flow. 另外,非定常结果流动图画显示,在非定常环境下上游周期性尾迹的通过对下游叶片边界层、尾迹以及叶尖泄漏流的发展都有一定影响。
- With the aid of commercial CFD code CFX, the results of six numerical simulation cases which different tip clearance are presented in this work. 研究动叶顶部间隙泄漏流动对透平级气动性能的影响规律，具有重要的工程应用价值和学术研究意义。
- Leakage flow rate,liquid film axial stiffness and the ratio of film stiffness to leakage rate of such a seal were compu... 密封环的约束对变形起着重要作用,选择合适的约束可以减小密封面转角,提高液膜刚度,增强密封工作稳定性。
- Solid particulate conveying characteristic is given by backwards leakage flow rate through intermeshing region and formulated as a conveying efficiency d. 粒子的固体输送特性,在啮合段形成的返向漏流速率是依靠螺杆的设计参数和质量密度。
- Finally, this thesis investigates the aerodynamic characteristics of the leakage flow for both shrouded and unshrouded turbine stage by numerical approach. 汽封齿数增多时这种效果就越小，静叶内流动损失就越少。
