Construction of Hydrogen Safety Evaluation Model Based on Analytic Hierarchy Process (AHP)

J. Xu, Minghao Wang, Ping Guo
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引用次数: 1

Abstract

With the large consumption of traditional primary energy, hydrogen as a clean and renewable energy has been widely studied by scholars around the world. Hydrogen is mainly used in hydrogen internal combustion engine and hydrogen fuel cell. Hydrogen internal combustion engine is the direct combustion of hydrogen as fuel, with the advantages of easy use. Alternatively, hydrogen fuel cell converts the chemical energy of hydrogen into electrical energy by electrochemical reaction, which has the advantages of high efficiency and zero pollution. Regardless of the use method, the safety of hydrogen use needs to be considered. However, in the whole life cycle of hydrogen, the process from hydrogen production to the use of hydrogen in automobiles is extremely complex. There are many factors affecting the safety of hydrogen use, and a single factor cannot be used as an evaluation. In order to make the evaluation of hydrogen safety more complete and accurate, the weight of four primary evaluation indexes and eight secondary evaluation indexes affecting hydrogen safety is determined by analytic hierarchy process, and a reliable hydrogen safety evaluation model is established.
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基于层次分析法(AHP)的氢安全评价模型构建
随着传统一次能源的大量消耗,氢作为一种清洁的可再生能源受到了世界各国学者的广泛研究。氢主要用于氢内燃机和氢燃料电池。氢内燃机是直接燃烧氢作为燃料,具有使用方便的优点。另一种是氢燃料电池通过电化学反应将氢的化学能转化为电能,具有效率高、零污染的优点。无论采用何种使用方法,都需要考虑氢气使用的安全性。然而,在氢的整个生命周期中,从制氢到氢在汽车上的使用过程是极其复杂的。影响氢气安全使用的因素很多,不能用单一因素作为评价标准。为了使氢安全评价更加完整和准确,采用层次分析法确定了影响氢安全的4个一级评价指标和8个二级评价指标的权重,建立了可靠的氢安全评价模型。
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