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:: Volume 65, Issue 65 (Winter 2022 2022) ::
Vol.65 No. 65 pp. 60-74 Back to browse issues page
The Effect of Hydrogen Addition on a RCCI Engine Performance Fueled with Natural GasDiesel Fuel at Low Load Range
Jafar Bazrafshan, Ali Jazayeri, Hesamoddin Salarian, Mojtaba Ebrahimi, Jahanfar Khaleghinia
Abstract:   (717 Views)
The aim of this study is to evaluate the effect of hydrogen addition on a heavy-duty diesel engine performance and emission under RCCI combustion fueled with natural gas and diesel fuel. For this purpose, a single-cylinder heavy-duty diesel engine is used to operate at a low-load range from 5.6 to 7.7 bar gross IMEP, constant engine speed, and a fixed amount of diesel fuel. Furthermore, in order to reduce hydrocarbon fuels consumption, hydrogen is gradually added to natural gas while the total fuel energy content is kept to be constant. The results show that by adding hydrogen to natural gas in the RCCI engine at 5.6, 6.3, and 7.7 bar gross IMEP, the hydrogen energy share would be enhanced up to 35.7%, 23.70%, and 9.93%, respectively. And also, the overall hydrocarbon fuels consumption per cycle can be reduced up to 45.23%, 29.26%, and 12.07%, respectively. Although CO and UHC emissions decrease drastically, NOx increases significantly with the addition of hydrogen compared to RCCI combustion fueled with natural gas and diesel fuel.
 
Article number: 4
Keywords: RCCI combustion, Natural gas, Hydrogen, Emission, Low load
Full-Text [PDF 1867 kb]   (293 Downloads)    
Type of Study: Research Study | Subject: Fuel and Combustion in Internal Combustion Engines
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Bazrafshan J, Jazayeri A, salarian H, Ebrahimi M, Khaleghinia J. The Effect of Hydrogen Addition on a RCCI Engine Performance Fueled with Natural GasDiesel Fuel at Low Load Range. JER 2022; 65 (65) :60-74
URL: http://engineresearch.ir/article-1-813-en.html


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Volume 65, Issue 65 (Winter 2022 2022) Back to browse issues page
فصلنامه تحقیقات موتور The Journal of Engine Research
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