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Theoretical approach to labyrinth seal forces - cross-coupled stiffness of a straight-through labyrinth seal

机译：迷宫式密封力的理论方法 - 直通式迷宫式密封的交叉耦合刚度

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Two kinds of three dimensional flows in a labyrinth seal, a jet flow and a core flow, are considered and theoretical equations are set up concerning the motion of each flow. The pressure distribution within the labyrinth is calculated, when the rotor shaft makes a small displacement from the center line of the casing, keeping parallel with it. The theoretical values of cross coupled stiffness obtained by integrating the pressure under different labyrinth geometries and operating conditions through these formulas are compared with the experimental data.

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作者
Kameoka, T.; Abe, T.; Fujikawa, T.;
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年度 1984
页码 1-13
总页数 13
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
FLOW DISTRIBUTION; LABYRINTH SEALS; SELF EXCITATION; STIFFNESS; THREE DIMENSIONAL FLOW; CORE FLOW; FLUID FLOW; JET FLOW; NUMERICAL ANALYSIS; ROTOR SPEED; STRUCTURAL STABILITY;

机译：流量分配; LaBYRINTH sEaLs;自我激动;刚性;三维流量;核心流量;流体流动; JET FLOW;数值分析;转子速度;结构稳定性;

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专利

1. Interaction Between Rotor and Annular Seals: Interlaced and Straight-Through Labyrinth Seals [J] . Hai Zhang, Xingyun Jia, Xiaojun Pan, Journal of propulsion and power . 2016,第6期

机译：转子和环形密封件之间的相互作用：交错和直通的迷宫式密封
2. Experimental validation of optimised straight-through labyrinth seals with various land structures [J] . Artur Szymanski, Wlodzimierz Wroblewski, Krzysztof Bochon, International Journal of Heat and Mass Transfer . 2020,第Sepa期

机译：用各种土地结构进行优化直通迷宫密封件的实验验证
3. Analysis and simulation of straight-through labyrinth seal in hydrostatic support system [J] . Zhang Xiumin, Yin Mingfu, Sun Huilai Industrial Lubrication and Tribology . 2019,第5期

机译：静电支撑系统直通迷宫封印的分析与仿真
4. THEORETICAL APPROACH TO LABYRINTH SEAL FORCES - CROSS-COUPLED STIFFNESS OF A STRAIGHT-THROUGH LABYRINTH SEAL [C] . Toshio Kameoka, Toru Abe, Takeshi Fujikawa Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Workshop on Rotordynamic Instability Problems in High-Performance Turbomachinery;Workshop on Rotordynamic Instability Problems in High-Performance Turbomachinery;Instability in Rotating Machinery Symposium . 2011

机译：迷宫密封力的理论方法 - 直通式迷宫密封的交叉耦合刚度
5. PREDICTION OF ROTORDYNAMIC FORCES GENERATED BY LABYRINTH SEAL CLEARANCE FLOW (WHIRL, FINITE-ELEMENT, DESTABILIZING). [D] . RAJAKUMAR, CHARLES. 1985

机译：Labyrinth密封间隙流量（涡流，有限元，去稳定）产生的转子动力的预测。
6. Anatomical Notes upon the Membranous Labyrinth of Man and of the Seal [O] . Albert A. Gray 1905

机译：关于人和海豹的膜状迷宫的解剖笔记
7. Cross-coupled aerodynamic force on a whirling rotor in labyrinth seals. (2nd report. Interlocking-type seals). [O] . Yoichi KANEMITSU, Masaru OHSAWA 1988

机译：在迷宫密封的旋转转子上交叉耦合的空气动力力。（第二次报告。互锁式密封件）。

Theoretical approach to labyrinth seal forces - cross-coupled stiffness of a straight-through labyrinth seal

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