自循环吸附动叶设计原理及数值模拟分析

doi:10.7527/S1000-6893.2017.621098

航空发动机内流与传热技术发展专栏

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自循环吸附动叶设计原理及数值模拟分析

曹志鹏¹, 赵龙波¹, 王靖宇², 关朝斌¹

1. 中国航发四川燃气涡轮研究院, 成都 610500;
2. 中山大学物理学院, 广州 510006

收稿日期:2017-01-04 修回日期:2017-03-19 出版日期:2017-09-15 发布日期:2017-04-19
通讯作者: 曹志鹏 E-mail:caozhipenggte@163.com
基金资助:
国家青年拔尖人才支持计划；航空科学基金（2013ZB24005）

Design principles and numerical simulation analysis of self-circulating aspirated rotor

CAO Zhipeng¹, ZHAO Longbo¹, WANG Jingyu², GUAN Chaobin¹

1. AECC Sichuan Gas Turbine Establishment, Chengdu 610500, China;
2. School of Physics, Sun Yat-Sen University, Guangzhou 510006, China

Received:2017-01-04 Revised:2017-03-19 Online:2017-09-15 Published:2017-04-19
Supported by:
National Youth Top-notch Talent Support Program;Aeronautical Science Foundation of China (2013ZB24005)

摘要/Abstract

摘要：

研究了一种新型自循环吸附动叶，分析了其主要实现结构以及自循环吸附的原理。新型吸附结构利用动叶旋转离心作用形成的驱动力抑制了叶表分离、叶顶二次流动，增加了叶顶附面层动量，提高了动叶效率及稳定裕度。通过与传统的机匣处理技术的对比，阐明了自循环吸附动叶的独特结构以及叶顶喷气技术优势。以Rotor37动叶为例，依据基本的吸气、喷气原则，开展了吸气槽、叶顶喷气孔以及动叶内腔等自循环典型结构概念方案设计，突破了带有动叶内腔的复杂网格生成技术，完成了自循环吸附动叶内腔以及叶片通道内的流动分析以及特性分析。研究结果表明：自循环吸附技术优势明显，数值模拟证明其原理可行。

关键词: 自循环, 吸附动叶, 叶表吸气孔, 叶顶喷气, 扩稳增效

Abstract:

In the present study, a new self-circulating aspirated rotor is designed, and the self-circulating aspirated configuration and principles are analyzed. This new self-circulating aspirated configuration can restrain suction-surface separation and tip secondary flow by increasing boundary layer momentum using centrifugal effect, resulting in better rotor efficiency and stability margin. A comparison with the traditional methods for casing treatment shows the technical advantages of this rotor self-circulating aspirated configuration and tip jet design. According to the basic aspiration and injection theories, a concept design for the Rotor37 case, which contains suction slot, tip injection holes and hollow cavum, is carried out. This work breaks through the mesh generation technology with complex geometry, and conduct an analysis of the flow in the hollow cavum and the main passage of the self-circulating aspirated rotor. The results show significant advantages of this new self-circulating aspirated configuration, and feasibility of the configuration in numerical simulation.

Key words: self-circulating, aspirated rotor, vane suction hole, tip injection, stability extension

中图分类号:

V211.6

曹志鹏, 赵龙波, 王靖宇, 关朝斌. 自循环吸附动叶设计原理及数值模拟分析[J]. 航空学报, 2017, 38(9): 521098-521098.

CAO Zhipeng, ZHAO Longbo, WANG Jingyu, GUAN Chaobin. Design principles and numerical simulation analysis of self-circulating aspirated rotor[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(9): 521098-521098.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

自循环吸附动叶设计原理及数值模拟分析

Design principles and numerical simulation analysis of self-circulating aspirated rotor

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