The Effects of Using Formaldehyde as an Additive on the Performance of an HCCI Engine Fueled With Natural Gas
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In this paper, the performance of a natural gas HCCI engine is studied through a thermodynamic model including detailed chemical kinetics. Then the influence of using formaldehyde as an additive on the engine characteristics has been investigated. Results show that it is possible to change engine working limits using this additive. Furthermore, there is an optimum additive content for each operating condition which leads to higher output work and power. It is also shown that the air/fuel mixture will ignite earlier using this additive so it is conceivable to reduce inlet mixture temperature resulting in better performance due to higher volumetric efficiency.
1998 ◽
Vol 113
(3)
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pp. 289-302
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2001 ◽
Vol 163
(1)
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pp. 177-210
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1997 ◽
Vol 129
(1)
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pp. 113-140
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2017 ◽
Vol 133
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pp. 524-534
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