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Analysis on the effects of high expansion foam on evaporation rate of the LNG

Safety Science, 2021
Abstract Hazards of low temperature liquid pool generated by leaked Liquefied Natural Gas (LNG) during transportation can be eased through covering of high expansion foam (HEF). In this study, sixteen cases of bench-scale tests, covering liquid nitrogen (LN2) with HEF, designed by orthogonal principle were conducted to investigate the effects of ...
Congliang Ye, Xuhai Pan
exaly   +2 more sources

Increasing foam expansion rate by means of changing the sprinkler geometry

Fire Safety Journal, 2019
Abstract At present, the efficiency of the automatic foam extinguishing systems is less than 60% due to the low expansion rate of the produced foam. In order to solve this problem the influence of the geometric parameters of the sprinkler frame arm and deflector on the foam expansion rate was studied.
Kamluk Andrei, Likhomanov Alexey
exaly   +2 more sources

Field testing and extinguishing efficiency comparison of the optimized for higher expansion rates deflector type sprinkler with other foam and foam-water sprinklers

Fire Safety Journal, 2020
Abstract The process of foam formation in sprinklers (nozzles) for automatic extinguishing systems at present is poorly studied. There are no analytical models for predicting this process due to the presence of many complex physicochemical, mechanical and other phenomena.
Andrei Kamluk   +2 more
openaire   +1 more source

Measurement of drainage rates of high‐expansion foams

Journal of Applied Chemistry, 1962
AbstractA method for measuring the drainage rates of single liquid films by the movement of interference fringes is described. It is shown that the cross‐section of a fast draining film is wedge‐shaped and so its average thickness equals the thickness at its mid‐height. Various degrees of water hardness produced changes in the drainage rate of a single
openaire   +1 more source

Effect of rapid setting and hardening cement substitution rate on volume expansion rate of foamed concrete

ce/papers
AbstractFoam concrete is an excellent new energy‐saving material, but its scope of application is limited due to insufficient foam stability. To improve the foaming performance and applicability of foam concrete, this experiment was conducted with the aim of studying the expansion pattern of foam concrete under different conditions.
Fuyi Pan, Guangri Jin, Yuqi Cui
openaire   +1 more source

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