A study of the transition between lean conventional diesel combustion and lean, premixed, low-temperature diesel combustion

被引：9
|
作者：
Busch, Stephen [1 ]
Bohac, Stanislav V. [1 ]
Assanis, Dennis N. [1 ]
机构：
[1] Univ Michigan, Ann Arbor, MI 48109 USA
来源：
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 2008年 / 130卷 / 05期
关键词：
Transient diesel combustion mode switching;
D O I：
10.1115/1.2906177
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
New diesel combustion modes face difficult challenges with respect to engine-out emissions and transient behavior. Transitions between lean conventional diesel combustion and lean, premixed, low-temperature diesel combustion are investigated with an automotive diesel engine. Effects of fuel pressure on transitional cycles are investigated. Cycle-by-cycle heat release analysis is performed and an exhaust mass flow model is used to obtain cycle-averaged NO concentrations. The behavior of combustion progression and NO emissions during the transitions is discussed. Observed cool-flame behavior is identified and explained.
引用
收藏
页数：8
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