期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 43, 期 50, 页码 22669-22675出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2018.10.129
关键词
Hydrogen; Gasoline; n-Butanol; Rotary engine; Performance
资金
- National Natural Science Foundation [51476002]
- Science and Technology Project of Beijing Municipal Commission of Education [KM201510005011]
- Key Program of Science and Technology Project of Beijing Municipal Commission of Education [KZ201610005005]
- Beijing Municipal Commission of Science and Technology [Z141100003814017]
The comparative study on performance of the hydrogen/gasoline and hydrogen/n-butanol rotary engines was conducted in the present paper. Considering the stable operation of the engine, for both hydrogen/gasoline case and hydrogen/n-butanol case, the operating conditions were set at: 4000 rpm (engine speed), 35 kPa (intake pressure) and 30 degrees CA BTDC (spark timing). The total excess air ratio of mixture was maintained at 1.0 through all the tests. The testing results displayed that hydrogen enrichment improved performance of both gasoline and n-butanol rotary engines. To be more specific, brake thermal efficiency was increased, flame development and propagation periods were shortened, the coefficient of variation in flame propagation period was decreased, and the emissions of HC and CO were decreased. NOx emissions were mildly increased after hydrogen addition. Besides, hydrogen/n-butanol rotary engine possessed the similar performance to hydrogen/gasoline rotary engine. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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