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http://dx.doi.org/10.7842/kigas.2022.26.1.20

Experimental, Theoretical and Numerical Studies for Concentrations and Velocities of Gas Jets  

Bang, Boo-Hyoung (Dept. of Architecture and Fire Safety, Gyeonggi Univ. of Science and Technology)
Kim, Hong-Min (Techever Inc.)
Kim, Sung-Hoon (Nereid Safety Consulting)
Lee, Keun-Won (Dept. of Enviromental &Safety Engineering, Ajou University)
Publication Information
Journal of the Korean Institute of Gas / v.26, no.1, 2022 , pp. 20-26 More about this Journal
Abstract
The results of experimental, theoretical, and numerical analysis were compared regarding the concentrations and velocities of flammable gas jets generated by pressurized leakage of methane gas. The concentration was measured through experiments for the jet dispersion process, and the velocities was calculated by applying the self-similarity theory. And the velocities and concentrations were calculated using CFD tools - FLACS and CFX- compared with the results. The difference between self-similarity model and CFD is due to the buoyancy term, which increases as the distance from a leak source increases. The results are compared with dimensionless parameters using the leak source radius and velocity components along the leak axis.
Keywords
jet dispersion; self-similarity; CFD; gas leakage; experiment;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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