Performance of radial-axial clearance rim seal in realistic working conditions

Jia Xingyun; Zhang Hai; Jiang Yuting

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Performance of radial-axial clearance rim seal in realistic working conditions

机译：实际工况下径向-轴向游隙密封的性能

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摘要

Performance of radial-axial clearance rim seal (RACS) in realistic working condition is investigated and compared with axial-clearance rim seal (ACS), radial-clearance rim seal (RCS) in this paper. Authors use the numerical method of conjugate heat transfer for calculation to accurately take heat transfer between the rotor-stator cavity flow and the solid discs into account. Results show that seal effectiveness and cooling effectiveness of RACS are the best when compared with ACS and RCS, the minimum mass flow rate for seal of RACS is 75% of that of RCS, and 34.6% of ACS.

机译：研究了径向-轴向间隙轮辋密封（RACS）在实际工作条件下的性能，并将其与轴向间隙轮辋密封（ACS），径向间隙轮辋密封（RCS）进行了比较。作者使用共轭传热的数值方法进行计算，以准确地考虑转子-定子腔流和固体盘之间的传热。结果表明，与ACS和RCS相比，RACS的密封效果和冷却效果最佳，其最小密封质量流量为RCS的75％，ACS的34.6％。

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来源
《Aerospace science and technology》 |2018年第6期|373-387|共15页
作者
Jia Xingyun; Zhang Hai; Jiang Yuting;
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作者单位

Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Heilongjiang, Peoples R China;

Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Heilongjiang, Peoples R China;

Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Heilongjiang, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Radial-axial clearance rim seal; Rotor-stator system; Hot gas ingestion; Cooling air; Air-cooled aerodynamic efficiency; Hot running rim seal clearance;

机译：径向轴向间隙轮辋密封;转子-定子系统;吸入热气;冷却空气;风冷空气动力学效率;热运行轮辋密封间隙;

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Performance of radial-axial clearance rim seal in realistic working conditions

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