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A Study on the Effect Factor to the Foam Generating Characteristics of High Expansion Foam  

Oh, Kyu-Hyung (호서대학교 소방방재학과)
Lee, Sung-Eun (호서대학교 산업안전기술연구센터)
In, Se-Jin (우송대학교 소방방재학과)
Lee, Man-Su (호서대학교 안전보건학과)
Publication Information
Fire Science and Engineering / v.22, no.5, 2008 , pp. 83-89 More about this Journal
Abstract
Using the high expansion foam generator of ISO 7203-2 which spray 6 liter at 5 bar, foam generation characteristics was studied. Wind flow rate, foam screen, concentration of foam agent solution and concentration of salt of water were varied to find the effect of the parameters on foam generation. Research result showed that expansion ratio of foam was increased with wind flow rate. The expansion ratio of foam in the perforated type standard screen was higher than the wire mesh screen. Expansion ratio and drainage time were increased with increase of foam solution concentration. But a increase of salt concentration in solution showed the decrease of expansion ratio and drainage time.
Keywords
High expansion foam; Foam; Drainage time; Expansion ratio;
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