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内燃机活塞拍击动力学模型研究 被引量：4

Research on dynamical model of piston slap of internal combustion engine
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摘要 文中基于运动机构的振动响应分析方法,考虑活塞与连杆、曲轴及内燃机缸体的耦合振动对活塞拍击的影响,构建了内燃机活塞拍击动力学分析模型。应用本模型分析某型3.5 L柴油发动机的活塞拍击现象,通过对比研究空载、满载工况下缸体的振动响应证明了动力学模型的有效性。理论分析了空载工况下内燃机零部件耦合振动特性对活塞拍击冲击力、活塞回转角度、连杆重心加速度及活塞拍击对连杆运动、曲轴扭转振动响应、主轴承座反力的影响机理。 Based on an analytical method on vibratory re- sponse of elastic part in movement, by taking the influence of cou- pled vibration of piston, connecting rod, crankshaft and engine block on piston slap into consideration, the dynamical model of pis- ton slap is developed. Some type of 3.5 L diesel engine＇ s piston slap phenomenon is analyzed by using this method, the comparisons of vibration response of engine block in both no-load and full-load conditions show that the validity of the this model. Finally, the dis- placement of piston gravity, rotation angle around piston pin, im- pact force induced by piston slap with coupled vibration and without coupled vibration is discussed in detail. The influence of piston slap on acceleration of connecting-rod gravity, torsional vibration of crankshaft and reaction force acting on main bearing are invested in-
作者 郑光泽
机构地区 重庆理工大学汽车零部件制造及检测技术教育部重点实验室 重庆长安汽车股份有限公司动力研究院
出处 《机械设计》 CSCD 北大核心 2013年第4期68-74,共7页 Journal of Machine Design
基金 重庆市教委科学技术研究资助项目(KJ120819) 汽车零部件制造及检测技术教育部重点实验室2012年度开放基金资助项目
关键词 内燃机 耦合振动 活塞拍击 冲击力 振动响应 internal .combustion engine coupled vibration piston slap, impact force vibration response
分类号 TK421 [动力工程及工程热物理—动力机械及工程]
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参考文献13

  • 1何渝生.汽车噪声控制[M].北京:机械工业出版社,1999..
  • 2Ohta Kazuhide, Irie Yoshihiko , Yamamoto Kiichi, et al. Study of piston slap induced noise and vibration of internal combustion engine ( 1 st report) [ J ]. Transaction of the Ja- pan Society of Mechanical Engineers, Series, 1986, 53 (493) :1935 - 1940.
  • 3Ohta Kazuhide, Amano Kenji, Hayashida Akihiro, et al. Analysis of piston slap induced noise and vibration of inter- nal combustion engine [ J ]. Transaction of the Japan Society of Mechanical Engineers, Series C, 2009,75 (750) : 256 - 261.
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二级参考文献27

  • 1卫海桥,舒歌群,韩睿,梁兴雨.直喷式柴油机燃烧噪声和活塞拍击噪声的探讨[J].汽车工程,2004,26(6):662-665. 被引量：9
  • 2何渝生.汽车噪声控制[M].北京:机械工业出版社,1999..
  • 3Hsing-Juin LEE, Ming-Chih LIN. Optimal shape design of engine connecting rod with special lumping -mass constraint[J]. JSME International Journal,1996,139(3):597-605.
  • 4Senecal P K, Reitz R D. Simultaneous reduction of engine emissions and fuel consumption using genetic algorithms and multi-dimensional spray and combustion modeling[J]. SAE paper 2000-01-1890, 2000.
  • 5Wickman D D,Senecal P K, Reitz R D. Diesel engine combustion chamber geometry optimization using genetic algorithms and multi-dimensional spray and combustion modeling[J].SAE paper 2001-01-0547, 2001.
  • 6Mark N Subramanian , Rolf D Reitz . Optimization of operating parameters for a 2-stroke DI engine with KIVA 3V and genetic algorithm search technique [C]. Eighth ICLASS, Pasadena, C A, July 2000.
  • 7Senecal P K , Reitz R D. Optimization of diesel engine emissions and fuel efficiency using genetic algorithms and computational fluid dynamics[C].Eighth ICLASS, Pasadena, CA, July 2000.
  • 8Senecal P K , Reitz R D. A methodology for engine design using multi-dimensional modeling and genetic algorithms with validation through experiments [J]. International J of Engine Research, 2000,1 (3):229-248.
  • 9Senecal P K,Pomraning E, Richards K J. Multi mode genetic algorithm optimization of combustion chamber geometry for low emissions[J]. SAE Paper 2002- 01 - 0958, 2002.
  • 10Shrivastav R, Hessel R , Reitz R D, CFD optimization of DI diesel engine performance and emissions using variable intake valve actuation with boost pressure, EGR and multiple injections[J]. SAE Paper 2002-01-0959, 2002.

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二级引证文献10

机械设计
2013年 第4期

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