A comparative study on performance of the rotary engine fueled hydrogen/gasoline and hydrogen/n-butanol

被引：30
|
作者：
Yang, Jinxin
Ji, Changwei [1 ]
机构：
[1] Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2018年 / 43卷 / 50期
关键词：
Hydrogen; Gasoline; n-Butanol; Rotary engine; Performance; COMBUSTION PROCESS; N-BUTANOL; MIXTURE FORMATION; INJECTION STRATEGY; IDLE PERFORMANCE; HEAT-TRANSFER; PART LOAD; GASOLINE; IGNITION; EMISSIONS;
D O I：
10.1016/j.ijhydene.2018.10.129
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：22669 / 22675
页数：7
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