论文:2016,Vol:34,Issue(1):112-117
引用本文:
李晓丰, 肖俊峰, 王玮, 王峰, 郑龙席. 基于爆震燃烧的燃气轮机理想热力循环分析[J]. 西北工业大学学报
Li Xiaofeng, Xiao Junfeng, Wang Wei, Wang Feng, Zheng Longxi. Ideal Thermodynamic Cycle Analysis of Gas Turbine Based on Detonation Combustion[J]. Northwestern polytechnical university

基于爆震燃烧的燃气轮机理想热力循环分析
李晓丰1, 肖俊峰1, 王玮1, 王峰1, 郑龙席2
1. 西安热工研究院有限公司, 陕西 西安 710032;
2. 西北工业大学 动力与能源学院, 陕西 西安 710072
摘要:
鉴于爆震燃烧具有自增压、传播速度快等优点,提出了将燃气轮机中等压燃烧替换为爆震燃烧的理念,并建立了基于爆震燃烧的燃气轮机理想热力循环模型,对比研究了DCGT(detonation cycle of gas turbine)、Brayton和Humphrey 3种循环燃气轮机的综合性能。在压气机压比、吸热量和透平背压相同的条件下,数据分析结果表明DCGT循环燃气轮机较其他2种循环更具优势,在压比为16时其循环热效率较Brayton循环提高15.4%,燃料消耗率降低13.5%;DCGT循环燃气轮机在压比为6.6时的总体性能与压比为16时的Brayton循环相当。
关键词:    燃气轮机    爆震燃烧    热力循环    性能    爆震波   
Ideal Thermodynamic Cycle Analysis of Gas Turbine Based on Detonation Combustion
Li Xiaofeng1, Xiao Junfeng1, Wang Wei1, Wang Feng1, Zheng Longxi2
1. Xi'an Thermal Power Research Institute Co., Ltd., Xi'an 710032, China;
2. School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
In view of self-pressurized, high flame propagation speed and other characteristics of detonation combustion, it was proposed that the constant pressure combustor of gas turbine was replaced by the detonation combustor, and the ideal thermodynamic cycle model of gas turbine based on detonation combustion was established; then the performances of DCGT(Detonation Cycle of Gas Turbine), Brayton and Humphrey thermodynamic cycle were comparatively analyzed. On condition that the parameters of combustor inlet, the fuel and the turbine backpressure are the same, the results show that the performance of DCGT is, compared with the other two, better. When the compressor pressure ratio is 16, the cycle thermal efficiency of detonation gas turbine is increased by 15.4% compared with Brayton cycle and the fuel consumption rate is decreased by 13.5%. The performance of DCGT at pressure ratio 6.6 is equivalent to that of Brayton cycle gas turbine at pressure ratio 16.
Key words:    Brayton cycle    combustion    combustors    detonation    efficiency    entropy    experiments    flow rate    fuel consumption    gas turbines    intake systems    Mach number    mathematical models    momentum    pressure    schematic diagrams    shock waves    temperature    thermodynamics    velocity    DCGT(Detonation Cycle of Gas Turbine)    detonation combustion    detonation wave    Humphrey cycle    performance    thermodynamic cycle   
收稿日期: 2015-04-24     修回日期:
DOI:
基金项目: 华能集团总部科技项目(HNKJ14-H05)资助
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作者简介: 李晓丰(1985-),西安热工研究院有限公司工程师、博士,主要从事燃气轮机燃烧、总体性能分析及转子动力学研究。
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参考文献:
[1] Suresh A, Hofer D C, Tangirala V E. Turbine Efficiency for Unsteady Periodic Flows[J]. Journal of Turbomachinery, 2012, 134: 034501
[2] Munday D, George A S, Driscoll R, et al. The Design and Validation of a Pulse Detonation Engine Facility with and without Axial Turbine Integration[R]. AIAA-2013-0275
[3] 李晓丰,郑龙席,邱华. 脉冲爆震涡轮发动机气动阀数值模拟研究[J]. 西北工业大学学报,2013,31(6): 935-939 Li Xiaofeng, Zheng Longxi, Qiu Hua. Numerical Simulation Study on the Pneumatic Valve Pulse Detonation Turbine Engine[J]. Journal of Northwestern Polytechnical University, 2013, 31(6): 935-939 (in Chinese)
[4] Li Xiaofeng, Zheng Longxi, Qiu Hua, et al. Experimental Investigations on the Power Extraction of a Turbine Driven by a Pulse Detonation Combustor[J]. Chinese Journal of Aeronautics, 2013, 26(6): 1353-1359
[5] Nicholls J A, Cullen R E, Rag l, et al. Feasibility Studies o f a Rotating Detonation Wave Rocket Motor[J]. Journal of Spacecraft, 1996, 3: 893-898
[6] 李自然,林志勇,韩旭. 超声速斜爆震发动机起爆过程研究综述[J]. 火箭推进,2013,39(3): 1-8 Li Ziran, Lin Zhiyong, Han Xu. Investigation for Initiation Process of Supersonic Oblique Detonation Engine[J]. Journal of Rocket Propulsion, 2013,39(3): 1-8 (in Chinese)
[7] 李晓丰,郑龙席,邱华,等. 脉冲爆震涡轮发动机原理性试验研究[J]. 实验流体力学,2013,27(6): 1-5 Li Xiaofeng, Zheng Longxi, Qiu Hua, et al. Experimental Study on the Principle of Pulse Detonation Turbine Engine[J]. Journal of Experiments in Fluid Mechanic, 2013, 27(6): 1-5 (in Chinese)
[8] 李晓丰. 脉冲爆震涡轮发动机技术研究[D]. 西安:西北工业大学,2013: 102-134 Li Xiaofeng. The Technology Research on the Pulse Detonation Turbine Engine[D]. Xi'an, Northwestern Polytechnical University, 2013: 102-134 (in Chinese)