连续式风洞主辅压缩机联合运行气动性能分析

雷鹏飞; 陈吉明; 胡运华; 周恩民

doi:10.13224/j.cnki.jasp.20220906

连续式风洞主辅压缩机联合运行气动性能分析

doi: 10.13224/j.cnki.jasp.20220906

雷鹏飞¹,
陈吉明^{1, 2,*, ,},
胡运华¹,
周恩民^{1, 2}

1.
中国空气动力研究与发展中心，四川绵阳 621000
2.
南京航空航天大学航空学院，南京 210016

详细信息

作者简介:
雷鹏飞（1984-），男，工程师，博士，主要从事风洞压缩机气动设计研究

通讯作者:
陈吉明（1975-），男，副研究员，硕士，主要从事风洞气动设计及流体力学研究。E-mail：chenjimy@sina.com

中图分类号: V211.74
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出版历程
- 收稿日期: 2022-11-25
- 网络出版日期: 2024-05-29

Aerodynamic analysis on combined operation of main compressor and compressor for plenum suction system in continuous wind tunnel

LEI Pengfei¹,
CHEN Jiming^{1, 2,*
, ,},
HU Yunhua¹,
ZHOU Enmin^{1, 2}

1.
China Aerodynamics Research and Development Center，Mianyang Sichuan 621000，China
2.
College of Aerospace Engineering，Nanjing University of Aeronautics and Astronautics，Nanjing 210016，China

摘要

摘要:
结合连续式风洞运行特点和轴流压缩机特性，详细分析了连续式跨声速风洞主压缩机与驻室抽气压缩机（辅压缩机）的气动性能和相互之间的匹配特性，并在0.6 m连续式跨声速风洞上开展了主、辅压缩机联合运行的气动性能试验。结果表明驻室抽气能够有效降低主压缩机压比及功率，从而拓宽风洞马赫数运行范围，降低主压缩机设计难度，但辅压缩机功率随抽气量的增大而急剧增大，导致风洞总功率增大；在最大抽气量下主压缩机功率降幅超过15%，总功率反而增大了20%；主、辅压缩机联合运行时，辅压缩机喘振的风险更大，尤其是在高马赫数工况，调节时应优先考虑辅压缩机工况点的变化。
- 连续式风洞 /
- 驻室抽气系统 /
- 联合运行 /
- 压缩机 /
- 气动性能
Abstract:
Aerodynamic performances of main compressor and compressor for plenum suction system (auxiliary compressor) were analyzed, and experiments were performed at 0.6 m continuous wind tunnel. The results showed that the pressure ratio and power of main compressor can be reduced by plenum suction, resulting in higher Mach number ability of wind tunnel and easier design of main compressor. However, the total power of wind tunnel increased with plenum suction, due to higher energy consumption of auxiliary compressor. At maximum suction rate condition, the power of main compressor dropped more than 15%, while the total power of wind tunnel increased by 20%. Auxiliary compressor had greater risk of surge if it operated with main compressor, especially at higher Mach number condition, and more attentions should be paid to its operation condition during Mach number regulation.
- continuous wind tunnel /
- plenum suction system /
- combined operation /
- compressor /
- aerodynamic performance

HTML

图 1 连续式跨超声速风洞示意图

Figure 1. Scheme of continuous transonic wind tunnel

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图 2 不同马赫数下主压缩机的运行工况示意图

Figure 2. Variation of main compressor operation point at different Ma conditions

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图 3 驻室抽气系统示意图

Figure 3. Scheme of plenum suction system

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图 4 不同马赫数下辅压缩机的运行工况

Figure 4. Variation of operation point of compressor for plenum suction system at different Ma conditions

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图 5 0.6 m连续式跨声速风洞轮廓图

Figure 5. Scheme of 0.6 m continuous transonic wind tunnel

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图 6 不同马赫数工况下的主压缩机压比

Figure 6. Pressure ratio of main compressor at different Ma conditions

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图 7 抽气量对主压缩机压比的影响

Figure 7. Influence of plenum suction rate on pressure ratio of main compressor

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图 8 抽气量对主、辅压缩机总功率的影响

Figure 8. Influence of plenum suction rate on total power of main compressor and compressor for plenum suction system

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图 9 不同马赫数工况下抽气量对主、辅压缩机功率的影响

Figure 9. Influence of plenum suction rate on powers of main compressor and compressor for plenum suction system at different Ma conditions

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图 10 主压缩机各马赫数下运行工况点范围

Figure 10. Operation status of main compressor at different Ma conditions

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图 11 辅压缩机各马赫数下运行工况点范围

Figure 11. Operation status of compressor for plenum suction system at different Ma condition

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