Dispersion Characteristics of Highly Compressed Hydrogen Jet

Title
Dispersion Characteristics of Highly Compressed Hydrogen Jet
Authors
한상헌김종수최인환김은정김영규
Keywords
가시화; 수소누출; Visualization; Hydrogen Leakage
Issue Date
2009-04
Publisher
2009년 춘계 한국가스학회
Abstract
This study, performed by both experiment and analysis, was aimed to obtain hydrogen concentration distribution and understand the diffusion characteristics of hydrogen leaked from a hole whose size is lesser than 1.0 mm. An experimental leakage system of hydrogen was designed and hydrogen was discharged through a leak hole between 0.5~1.0mm. Hydrogen concentration was detected by collecting hydrogen-air mixture by using gas samplers. Hydrogen-air mixture was sampled at five locations of equal distances along a center line of the hydrogen jet. Numerical analysis was performed in two-dimension on the assumption that the hydrogen jet has huge Froude number and buoyancy can be negligible. The assumption was well proved by the comparison between experiment and analysis.
URI
http://pubs.kist.re.kr/handle/201004/35305
Appears in Collections:
KIST Publication > Conference Paper
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