Abstract
As a clean, environmentally friendly and renewable energy source, hydrogen as an alternative engine fuel can greatly reduce atmospheric pollution and alleviate the shortage of oil resources, and is the most promising alternative fuel for vehicles among new fuels. However, due to its fast combustion rate and wide ignition limit, hydrogen often shows abnormal combustion phenomena (such as pre-ignition, backfire and knock), when it is used in the engine, thus affecting the performance and normal use of engines. In this paper, the advantages and disadvantages of hydrogen as an alternative fuel for the engine are summarized according to the characteristics of hydrogen. On this basis, the mechanism, influence factors and harm of abnormal combustion in the hydrogen internal combustion engine are analyzed and summarized, which provides a theoretical basis for solving abnormal combustion problems. Finally, several commonly used abnormal combustion detection methods are summarized.
Highlights
Introduction of Abnormal Combustion in HydrogenInternal Combustion Engines and the Detection Method Jiahui Liu *North China University of Water Resources and Electric Power, Zhengzhou, Henan 450045, ChinaReceived January 28, 2022; Accepted February 13, 2022; Published February 26, 2022As a clean, environmentally friendly and renewable energy source, hydrogen as an alternative engine fuel can greatly reduce atmospheric pollution and alleviate the shortage of oil resources, and is the most promising alternative fuel for vehicles among new fuels
The most widely used conventional energy sources in the global energy industry today are coal, oil, natural gas and other fossil fuels, which have greatly contributed to the progress of socio-economic
The popularity of the automobile has brought great convenience to people's lives, the problems of pollution and the consumption of oil resources due to exhaust emissions are becoming more and more serious, so the search for renewable and clean energy sources to replace traditional petroleum-fueled vehicles has become a priority in the automotive sector
Summary
North China University of Water Resources and Electric Power, Zhengzhou, Henan 450045, China. Environmentally friendly and renewable energy source, hydrogen as an alternative engine fuel can greatly reduce atmospheric pollution and alleviate the shortage of oil resources, and is the most promising alternative fuel for vehicles among new fuels. The advantages and disadvantages of hydrogen as an alternative fuel for the engine are summarized according to the characteristics of hydrogen. On this basis, the mechanism, influence factors and harm of abnormal combustion in the hydrogen internal combustion engine are analyzed and summarized, which provides a theoretical basis for solving abnormal combustion problems.
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