A novel lambda-based EGR (exhaust gas recirculation) modulation method for a turbocharged diesel engine under transient operation

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A novel lambda-based EGR (exhaust gas recirculation) modulation method for a turbocharged diesel engine under transient operation

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作者：Bolan Liu^a ; ^{liubolan@bit.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Fujun Zhang^a ; ^{zfj123@bit.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Changlu Zhao^a ; Xiaohui An^b ; Haijun Pei^c
关键词：Diesel engine ; Exhaust gas recirculation ; Transient NOx emission ; Intake oxygen concentration model
刊名：Energy
出版年：2016
出版时间：1 February 2016
年：2016
卷：96
期：Complete
页码：521-530
全文大小：3163 K

文摘

•: A practical intake oxygen model contains EGR rate and air-fuel equivalence ratio (lambda) has been built and validated.
•: Intake oxygen concentration is more correlated to NOx emission trace than EGR rate under transient.
•: Lambda-based EGR modulation method is more effective in NOx overshot reduction under load transient operation.

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