内燃机缸内对流传热理论研究的百年发展

Review of Theoretical Studies on In-cylinder Convective Heat Transfer of Internal Combustion Engines

首次进行近一百年来(尤其是近三十年内)内燃机缸内对流传热在理论研究方面的综述,并将其历程分为3个阶段:统计归纳模型阶段、量纲分析模型阶段、湍流参数模型阶段。发展历程表明,内燃机缸内对流传热的理论研究与缸内湍流流动分析紧密结合将是大势所趋,而在第3个阶段出现的区域法研究不仅催生了多维传热模型和仿真研究,也是当今缸内多维对流传热分析的主流。另外,基于热力循环而进行的内燃机缸内对流传热分析已成为近期的一个研究热点。

A review of the theoretical studies on the in-cylinder convective heat transfer of internal combustion engines developed in the past 100 years,especially in recent 30 years,was presented for the first time.It shows that the history of the development of these studies can be divided into three periods.They are the period of the statistic induction model,the period of the dimensional analysis model and the period of the turbulence parameter model.The development of these theoretical studies show that the research of the in-cylinder convective heat transfer combining with the in-cylinder turbulence flow analysis is the main trends.And the zonal method presented in the third period not only midwifed the multi-dimensional models and simulation,but also became the mainstream.Besides,the study of in-cylinder heat transfer based on the thermodynamic cycle analysis has been a hot point recently.