陈晓飞;刘长振;郝永刚;仲蕾;王尚学;

• 1:中国北方发动机研究所

摘要(Abstract)：

针对双对置二冲程柴油机气缸套传热问题,建立了活塞组-气缸套耦合传热模型,利用该模型分析了冷却液流量对缸套温度、冷却水腔壁面传热系数和冷却液带走热量的影响规律。结果表明,排气口附近处的缸套温度最高、排气口上水口处的传热系数较大;随冷却液流量的增大,缸套最高温度逐渐降低,冷却水腔壁面传热系数线性增大,冷却液带走的热量逐渐增大并最终趋于稳定。分析结果为气缸套冷却结构设计提供了依据。

关键词(KeyWords)： 柴油机;气缸套;流固耦合;传热系数

Abstract:

Keywords:

基金项目(Foundation): 国家高新技术研究“863”计划项目(2012AA111709)

作者(Authors): 陈晓飞;刘长振;郝永刚;仲蕾;王尚学;

DOI: 10.19620/j.cnki.1000-3703.20172082

参考文献(References)：

• [1] Lemke et al. Cylinder and Piston Assemblies For Opposed Piston Engines.Patent Application US2010/0212637.
• [2] Flint M L S,Pirault J P.Opposed Piston Engine:Evolution,Use and Future Applications.SAE International,Warrendale,PA..ISBN.
• [3]White F Heat,Mass Transfer.Addison-Wesley Publishing Company,Inc,1991,page324.
• [4]白敏丽,丁铁新,吕继祖.活塞组-气缸套耦合传热模拟[J].内燃机学报, 2005, 23(2):168-175.
• [5]朱晴,陈群,张艳芳.某SUV车型发动机舱CFD仿真计算与优化[J].汽车技术, 2016(1):1-5.
• [6] Xin Jun,Stephen Shih, Edwin Itano. Integration of 3D Simulations and Conjugate Heat Transfer Analysis to Quantitaively Evaluate Component Tempetures[C]. SAE Paper 2003-01-3128,2003.
• [7] Patrick Lee,Michael Wahl. Cylinder Cooling for Improved Durability on an Opposed-Piston Engine[J].SAE Paper2014-01-1215.
• [8]Dent J,Sulaiman S.Convective and Radiative Heat Transfer in a High Swirl Direct Injection Diesek Engine. SAE Technical Paper 770407,1977, doi:10.4271/770407.
• [9]Peter Hofbauer. Opposed Piston Opposed Cylinder(opoc)Engine for Military Ground Vehicles. SAE Technical Paper2005-01-1548.
• [10]董非,范秦寅,姜树李,等.内燃机流固热耦合数值模拟的研究[J].汽车工程, 2009(2):146-150.
• [11] Han Zhiyu,Reita R D. A. Temperature Wall Function Formulation for Variable-Density Turbulent Flows with Application to Engine Convective Heat Transfer Modelig[J].Heat Mass Transfer,1997,40(3)613-625.