Ming Jia   

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

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Language:English

Book Publications

Title of Paper:均质压燃发动机燃烧与排放的多区模型模拟

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Date of Publication:2005-06-25

Journal:燃烧科学与技术

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:11

Issue:3

Page Number:261-267

ISSN No.:1006-8740

Key Words:内燃机;均质压燃;数值模拟;多区模型;化学动力学模型

Abstract:应用一个有质量交换的6区模型模拟正庚烷在HCCI发动机中的燃烧和排放特性.通过把缸内划分为缝隙区、边界层区、外核心区和内核心区,加入Woschni传热模型计入了缸内的温度和浓度的不均匀分布.全部计算基于正庚烷燃烧的包含57种组分290个反应的详细机理,结果表明,该多区模型合理地模拟了HCCI发动机的燃烧过程,并可满意地预测出HC、CO和NO的排放.最后采用此多区模型分别讨论了缝隙容积、边界层厚度和壁面温度对HCCI发动机的燃烧和排放的影响.

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