Experimental Study of Oxygen-Enriched Diesel Combustion Using Simulated Exhaust Gas Recirculation

被引：13
|
作者：
Perez, Peter L. [1 ]
Boehman, Andre L. [1 ]
机构：
[1] Penn State Univ, University Pk, PA 16802 USA
来源：
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 2009年 / 131卷 / 04期
关键词：
air pollution control; combustion; design of experiments; diesel engines; fuel systems; oxygen; ENGINE; EMISSIONS; AIR; FUEL; REDUCTION; IMPACT; NOX;
D O I：
10.1115/1.3077647
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The techniques of design of experiments were applied to study the best operational conditions for oxygen-enriched combustion in a single-cylinder direct-injection diesel engine in order to reduce particulate matter (PM) emissions, with minimal deterioration in nitrogen oxide (NO(x)) emissions, by controlling fuel injection timing, carbon dioxide (CO(2)) and O(2) volume fractions in intake air. The results showed that CO(2) addition reduced average combustion temperatures and minimized the rate of increase in NO(x) emissions observed during oxygen-enriched conditions. It was also observed that oxygen enrichment minimized the deterioration in brake-specific fuel consumption and hydrocarbon and PM emissions that occurred at the highest level of CO(2) addition.
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页数：11
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