Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator
Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator
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新型氢燃料自由活塞发动机发电机性能特性评估
DOI：
10.1016/j.ijhydene.2020.02.072
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发表时间：
2021
影响因子：
7.2
通讯作者：
Ngwaka U
中科院分区：
文献类型：
--
作者：
Ngwaka U
在这项工作中，我们提出了从氢燃料火花点火双活塞自由活塞发动机发电机（FPEG）的原型在二冲程和四冲程模式下运行的实验结果。在3.7压缩比、5 Hz至11 Hz发动机转速和不同当量比下成功进行了FPEG试验。FPEG的技术细节，实验装置和操作控制进行了详细说明。性能指标表明，当量比和发动机转速都影响发动机的工作特性。对于每一组指定的FPEG参数，推荐适当的当量比范围，以防止对发电机运行的不必要的干扰。在二冲程和四冲程两种循环模式下进行了试验，结果表明两种热力循环下的燃烧特性不同。与二冲程循环相比，四冲程循环的指示热效率提高了13.2%。
In this work, we present the experimental results obtained from hydrogen fuelled spark-ignited dual piston free-piston engine generator (FPEG) prototype operated in two-stroke and four-stroke mode. The FPEG testing was successfully conducted at 3.7 compression ratio, engine speed between 5 Hz and 11 Hz and with different equivalence ratios. The FPEG technical details, experimental set-up and operational control are explained in detail. Performance indicators show that both equivalence ratio and engine speed affect the engine operation characteristics. For every set of specified FPEG parameters, appropriate range of equivalence ratio is recommended to prevent unwanted disturbance to electric generator operation. Both two-stroke and four-stroke cycle mode were tested, and the results showed different combustion characteristics with the two thermodynamic cycles. Four-stroke cycle mode could operate with indicated thermal efficiency gain up to 13.2% compared with the two-stroke cycle.
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影响因子：
3.2
作者：
Boru Jia;Yaodong Wang;A. Smallbone;A. Roskilly
通讯作者：
Boru Jia;Yaodong Wang;A. Smallbone;A. Roskilly
影响因子：
11.2
作者：
Yaodong Wang;Lin Chen;Boru Jia;A. Roskilly
通讯作者：
Yaodong Wang;Lin Chen;Boru Jia;A. Roskilly
考虑到自由活塞发动机线性发电机系统中的燃烧，实现高效率的发电制动力的操作范围
影响因子：
1.7
作者：
Mitsuhide Sato;M. Nirei;Y. Yamanaka;H. Murata;Y. Bu;T. Mizuno
通讯作者：
T. Mizuno
影响因子：
11.2
作者：
U. Ngwaka;Boru Jia;C. Lawrence;Dawei Wu;A. Smallbone;A. Roskilly
通讯作者：
U. Ngwaka;Boru Jia;C. Lawrence;Dawei Wu;A. Smallbone;A. Roskilly