基于双火花塞点火策略的活塞式航空煤油发动机爆震控制
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摘要
在一台650mL单缸活塞式航空发动机上,针对双火花塞点火方式对活塞式航空煤油发动机的爆震控制进行了试验研究。结果表明:采用两个火花塞同步点火,且将点火提前角推迟可以有效的抑制爆震,同时燃烧放热率幅值逐渐降低,整体燃烧相位逐渐推迟;采用双火花塞异步点火随着点火提前角点火相位差的增加,爆震强度逐渐降低,通过匹配主火花塞点火提前角与副火花塞点火提前角可进一步提升发动机的动力性。
Focusing on dual-spark plug ignition forms,test studies were conducted on a 650 mL piston-type single engine using kerosene as fuel.Result showed that the ignition advance angle of dual spark plug synchronous ignition delay can effectively restrain detonation,meanwhile,the amplitude of combustion heat release rate decreased gradually,and the whole combustion phase was delayed gradually.With the increase of ignition phase difference of ignition advance angle,the knock intensity decreased gradually.By matching the ignition advance angle of the major spark plug with the ignition advance angle of the auxiliary spark plug,the power performance of the engine can be further improved.
Focusing on dual-spark plug ignition forms,test studies were conducted on a 650 mL piston-type single engine using kerosene as fuel.Result showed that the ignition advance angle of dual spark plug synchronous ignition delay can effectively restrain detonation,meanwhile,the amplitude of combustion heat release rate decreased gradually,and the whole combustion phase was delayed gradually.With the increase of ignition phase difference of ignition advance angle,the knock intensity decreased gradually.By matching the ignition advance angle of the major spark plug with the ignition advance angle of the auxiliary spark plug,the power performance of the engine can be further improved.
引文
[1]王兴海,马震,郑勇.无人机用小型航空活塞发动机的发展[C]∥中国无人机大会论文集.北京:航空工业出版社,2006:523-527.
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[3]张志强,贺俊,魏名山,等.某航空活塞发动机回火试验[J].航空动力学报,2013,28(8):1696-1701.ZHANG Zhiqiang,HE Jun,WEI Mingshan,et al,Backfire tests of an aircraft piston engine[J].Journal of Aerospace Power,2013,28(8):1696-1701.(in Chinese)
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[11]SHAHLARI A J,GHANDHI J B.A Comparison of engine knock metrics[R].Society of Automotive Engineers,SAETechnical Papers 2012-32-0007,2012.
[12]陈林林,魏民祥.航空二冲程煤油发动机数值仿真研究[J].计算机仿真,2014,31(6):54-59.CHEN Linlin,WEI Minxiang.Research on numerical simulation for two-stroke kerosene aero-engine[J].Computer Simulation,2014,31(6):54-59.(in Chinese)
[13]陈方超,杨海青,刘锐,等.提高四冲程点燃式重油航空发动机抗爆性措施[J].航空动力学报,2018,33(3):611-619.CHEN Fangchao,YANG Haiqing,LIU Rui,et al,Measures to improve anti-knock quality for four-stroke ignited kerosene aviation engine[J].Journal of Aerospace Power,2018,33(3):611-619.(in Chinese)
[14]宗培越,胡春明,王书典.活塞式航空煤油直喷发动机的爆震控制[J].航空动力学报,2018,33(3):635-641.ZONG Peiyue,HU Chunming,WANG Shudian.Knocking control of direct injection piston-type aviation kerosene engine[J].Journal of Aerospace Power,2018,33(3):635-641.(in Chinese)
[15]何学良,李疏松.内燃机燃烧学[M].北京:机械工业出版社,1990.
[16]王明文,唐岚,甘海云.基于CCP协议的发动机标定系统开发[J].车用发动机,2010(4):28-31.WANG Mingwen,TAN Lan,GAN Haiyun.Development of engine calibration system based on CCP protocol[J].Vehicle Engine,2010(4):28-31.(in Chinese)
[17]周龙保,刘忠长,高宗英.内燃机学[M].北京:机械工业出版社,2010.
[2]莫胜钧.小型航空点燃式重油活塞发动机点火及火焰传播特性的模拟研究[D].北京:北京交通大学,2012.MO Shengjun.Study on the ignition and flame propagation property of light-weight spark ignition heavy oil aeroengine[D].Beijing:Beijng Jiaotong University,2012.(in Chinese)
[3]张志强,贺俊,魏名山,等.某航空活塞发动机回火试验[J].航空动力学报,2013,28(8):1696-1701.ZHANG Zhiqiang,HE Jun,WEI Mingshan,et al,Backfire tests of an aircraft piston engine[J].Journal of Aerospace Power,2013,28(8):1696-1701.(in Chinese)
[4]王振宇,丁水汀,杜发荣.航空重油发动机燃油供给系统动力学模型分析[J].航空动力学报,2012,27(4):846-853.WANG Zhenyu,DING Shuiting,DU Farong.Analysis of dynamaic modeling of aviation heavy oil piston engine fuel delivery system[J].Journal of Aerospace Power,2012,27(4):846-853.(in Chinese)
[5]李长胜.小型高速航空重油活塞发动机混合气形成及燃烧特性的研究[D].北京:北京交通大学,2014.LI Changsheng.Study on the mixture formation and combustion of light-weight,high-speed,heavy oil aeroengine[D].Beijing:Beijing Jiaotong University,2014.(in Chinese)
[6]DOLBEER C H.Evaluation of heavy fuel engines for small unmanned air vehicles[D].Huntsville:University of Alabama in Huntsville,2006.
[7]杨光.活塞式煤油发动机点火能量计算与试验研究[D].南京:南京航空航天大学,2013.YANG Guang.Calculation and experimental study on ignition energy of piston kerosene engine[D].Nanjing:Nanjing University of Aeronautics and Astronautics,2013.(in Chinese)
[8]DAVID T F,DUANE L A,PECK C.The Performance of a spark-ignited stratified-charge two stroke engine operating on a kerosene based aviation fuel[R].Milwaukee,Wisconsin,USA:Society of Automotive Engineers(SAE)International off-Highway and Powerplant Congress and Exposition,1997.
[9]BORG J M,ALKIDAS A C.Characterization of autoignition in a knocking SI engine using heat release analysis[R].Society of Automotive Engineers,SAE Technical Papers 2006-01-3347,2006.
[10]ZAVALA J C,FOLKERTS C.Knock detection and estimation based on heat release strategies[R].Society of Automotive Engineers,SAE Technical Papers 2011-01-1409,2011.
[11]SHAHLARI A J,GHANDHI J B.A Comparison of engine knock metrics[R].Society of Automotive Engineers,SAETechnical Papers 2012-32-0007,2012.
[12]陈林林,魏民祥.航空二冲程煤油发动机数值仿真研究[J].计算机仿真,2014,31(6):54-59.CHEN Linlin,WEI Minxiang.Research on numerical simulation for two-stroke kerosene aero-engine[J].Computer Simulation,2014,31(6):54-59.(in Chinese)
[13]陈方超,杨海青,刘锐,等.提高四冲程点燃式重油航空发动机抗爆性措施[J].航空动力学报,2018,33(3):611-619.CHEN Fangchao,YANG Haiqing,LIU Rui,et al,Measures to improve anti-knock quality for four-stroke ignited kerosene aviation engine[J].Journal of Aerospace Power,2018,33(3):611-619.(in Chinese)
[14]宗培越,胡春明,王书典.活塞式航空煤油直喷发动机的爆震控制[J].航空动力学报,2018,33(3):635-641.ZONG Peiyue,HU Chunming,WANG Shudian.Knocking control of direct injection piston-type aviation kerosene engine[J].Journal of Aerospace Power,2018,33(3):635-641.(in Chinese)
[15]何学良,李疏松.内燃机燃烧学[M].北京:机械工业出版社,1990.
[16]王明文,唐岚,甘海云.基于CCP协议的发动机标定系统开发[J].车用发动机,2010(4):28-31.WANG Mingwen,TAN Lan,GAN Haiyun.Development of engine calibration system based on CCP protocol[J].Vehicle Engine,2010(4):28-31.(in Chinese)
[17]周龙保,刘忠长,高宗英.内燃机学[M].北京:机械工业出版社,2010.
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