Volume 16, Issue 4 (2016)                   Modares Mechanical Engineering 2016, 16(4): 259-270 | Back to browse issues page

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Jafari M J, Shamekhi A H. LTC achievement in national light duty diesel engine with early and late injection strategies and comparing them to each other. Modares Mechanical Engineering. 2016; 16 (4) :259-270
URL: http://journals.modares.ac.ir/article-15-11919-en.html
1- Department of Mechanical Engineering, KN Toosi University of Technology, Tehran, Iran
Abstract:   (2568 Views)
The low temperature combustion (LTC) concept is the groundwork of most recent developments in internal combustion diesel engines in order to match stringent environmental standards and regulations. Although, its basic definition which means reducing the combustion chamber temperature to decrease the emissions sounds easy but practical achievement of LTC strategies which can be feasible in a wide range of loads and speeds has its own difficulties. With attention to different effective parameters in a diesel engine combustion process, various methods have been introduced for the purpose of LTC achievement. Two important types of these methods are based upon early and late injection strategies. In addition to analyzing the both mechanisms, in this paper we are intended to implement two different methods in national light duty diesel engine in order to match EURO VI emission standard. One method named UNIBUS is based upon early injection strategies which is benefited from PPC merits and the other one is Modulated Kinetic (MK) which is based upon late injection strategies. Finally both these methods have been compared and contrasted. The results admit the great potentiality of both methods to make a significant and simultaneous reduction in NOx and Soot emissions.
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Article Type: Research Article | Subject: Internal Combustion Engine
Received: 2015/12/22 | Accepted: 2016/01/24 | Published: 2016/04/20

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