蒸汽吸入对稳定性影响中修正关联方法的研究

推进技术 ›› 2019, Vol. 40 ›› Issue (3): 532-541.

蒸汽吸入对稳定性影响中修正关联方法的研究

徐浩洋¹,胡骏^1,2,屠宝锋^1,2

南京航空航天大学能源与动力学院，江苏省航空动力系统重点实验室，江苏南京 210016,南京航空航天大学能源与动力学院，江苏省航空动力系统重点实验室，江苏南京 210016; 先进航空发动机协同创新中心，北京 100191,南京航空航天大学能源与动力学院，江苏省航空动力系统重点实验室，江苏南京 210016; 先进航空发动机协同创新中心，北京 100191

发布日期:2021-08-15

Numerical Simulation for Effects of Steam Ingestion on Stability with Improved Correlation Method

Jiangsu Province Key Laboratory of Aerospace Power Systems，College of Energy and Power Engineering，Nanjing University of Aeronautics and Astronautics，Nanjing 210016，China,Jiangsu Province Key Laboratory of Aerospace Power Systems，College of Energy and Power Engineering，Nanjing University of Aeronautics and Astronautics，Nanjing 210016，China;Collaborative Innovation Center of Advanced Aero-Engine，Beijing 100191，China and Jiangsu Province Key Laboratory of Aerospace Power Systems，College of Energy and Power Engineering，Nanjing University of Aeronautics and Astronautics，Nanjing 210016，China;Collaborative Innovation Center of Advanced Aero-Engine，Beijing 100191，China

Published:2021-08-15

摘要/Abstract

摘要： 为了在蒸汽吸入的条件下更加准确地模拟压气机的失速边界，基于一种改进的多子压气机模型发展了一个二维稳定性分析模型。该模型通过求解带有源项的可压缩二维Euler方程组，实现对压气机的模拟。叶片对气流的作用力和做功源项是根据压气机输入的总压比和效率计算得到，并采用总压比、效率与叶片进口气动参数之间修正的关联方法。利用该模型计算压气机在吸入蒸汽下的失速边界，并与输入的稳态特性计算的失速边界结果对比来研究失速边界的变化情况。结果表明:在总温畸变一定的情况下，吸入的蒸汽量越多压气机失速边界的流量就越大。计算结果显示这个修正的关联方法实现了气体性质对压气机特性线影响的改进。

关键词: 关联方法；蒸汽吸入；压气机；平行压气机模型

Abstract: In order to simulate the stall boundary of the compressor more accurately under steam ingestion， a two dimensional stability analysis model is developed based on an improved multi-sub-compressor model. The model can simulate the compressor by solving a compressible two-dimensional Euler equation with a source term. The source term of force and work of blade interacting with flow are calculated based on the input total pressure ratio and efficiency. And an improved correlation method among total pressure ratio， efficiency and inlet aerodynamic parameters of blades is adopted. The model can calculate the stall boundary of compressor under ingesting steam. And it is compared with the stall boundary results calculated by input steady-state characteristic to investigate the variation of stall boundary. The results show that the more amount of ingesting steam， the greater flow of stall boundary of the compressor under the total temperature distortion is certain. The calculation results also show that the improved correlation method has realized the correction of the effects of gas properties on the compressor characteristic line.

Key words: Correlation method；Steam ingestion；Compressor；Parallel compressor model

徐浩洋,胡骏,屠宝锋. 蒸汽吸入对稳定性影响中修正关联方法的研究[J]. 推进技术, 2019, 40(3): 532-541.

XU Hao-yang¹,HU Jun^1,2,TU Bao-feng^1,2. Numerical Simulation for Effects of Steam Ingestion on Stability with Improved Correlation Method[J]. Journal of Propulsion Technology, 2019, 40(3): 532-541.

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