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http://dx.doi.org/10.7316/KHNES.2014.25.2.161

A Study on Safety Policies for a Transition to a Hydrogen Economy  

Jun, Daechun (Korea Polytechnic University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.2, 2014 , pp. 161-172 More about this Journal
Abstract
Hydrogen, which can be produced from abundant and widely distributed renewable energy resources, seems to be a promising candidate for solving the concerns for improving energy security, urban air pollution, and reducing greenhouse gas emissions. The two primary motivating factors for hydrogen economy are fossil fuel supply limitations and concerns about global warming. But the safety issues associated with hydrogen economy need to be investigated and fully understood before being considered as a future energy source. Limited operating experience with hydrogen energy systems in consumer environments is recognised as a significant barrier to the implementation of hydrogen economy. To prevent unnecessary restrictions on emerging codes, standards and local regulations, safety policies based on real hazards should be developed. This article studies briefly the direct impact-distances from hazard events such as hydrogen release and jet fire, and damage levels from hydrogen gas explosion in a confined space. Based on the direct impact-distances indicated in the accident scenarios and consumer environments in Korea, the safety policies, which are related to hydrogen filling station, hydrogen fuel cell car, portable fuel cell, domestic fuel cells, and hydrogen town, are suggested to implement hydrogen economy. To apply the safety policies and overcome the disadvantages of prescriptive risk management, which is setting guidance in great detail to management well known risk but is not covering unidentified risk, hybrid risk management model is also proposed.
Keywords
Hydrogen economy; Hydrogen jet release; Hydrogen jet fire; Hydrogen explosion; Safety policy; Hybrid risk management model;
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Times Cited By KSCI : 1  (Citation Analysis)
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