Influence of dispersion degree of water drops on efficiency of extinguishing of flammable liquids
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2016
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Abstract
Depending on the size of water drops, process of fire extinguishing is focused either in a zone of combustion or on a burning liquid surface. This article considers two alternate solutions of a heat balance equation. The first solution allows us to trace decrease of temperature of a flammable liquid (FL) surface to a temperature lower than fuel flash point at which combustion is stopped. And the second solution allows us to analyze decrease of burnout rate to a negligible value at which steam-air mixture becomes nonflammable. As a result of solve of a heat balance equation it was made the following conclusion: water drops which size is equal to 100 Ī¼m will completely evaporate in a zone of combustion with extent of 1 m if the flying speed of drops is even 16 mps (acc. to Stokes v = 3 mps); whereas drops of larger size will evaporate only partially.| Reference Key |
dmitriy2016influencematec
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| Authors | Dmitriy, Korolchenko;Sergey, Voevoda; |
| Journal | matec web of conferences |
| Year | 2016 |
| DOI | DOI not found |
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