Salt Water Modeling Of Fire Compartment Gravity Currents
نویسندگان
چکیده
منابع مشابه
Numerical Modeling of Saline Gravity Currents Using EARSM and Buoyant k- Turbulence Closures
Gravity currents are very common in nature and may appear in rivers, lakes, oceans, and the atmosphere. They are produced by the buoyant forces interacting between fluids of different densities and may introduce sediments and pollutants into water bodies. In this study, the hydrodynamics and propagation of gravity currents are investigated using WISE (Width Integrated Stratified Environments), ...
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We consider surface gravity currents in fresh water where the temperatures of the current and the ambient are on opposite sides of the temperature of maximum density. Buoyancy reversal may occur in the current, due to entrainment of ambient water to produce a mixture that is denser than the ambient. Using an empirical parametrisation of entrainment in lock-release gravity currents, the distance...
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An overview of the latest techniques on computer graphics to model realistic water and fire is given. These fluid models are based on a simplification of the Navier-Stokes equations. Some of the most important applications represent real life problems solving as water flood, real fire situation, firemen training and others. Regarding water modeling, there are compared the different approaches, ...
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Entrainment of ambient fluid into a gravity current, while often negligible in laboratory-scale flows, may become increasingly significant in large-scale natural flows. We present a theoretical study of the effect of this entrainment by augmenting a shallow water model for gravity currents under a deep ambient with a simple empirical model for entrainment, based on experimental measurements of ...
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We study entrainment in lock-release gravity currents using highly spatially resolved optical transmission experiments and quantitative analysis of the available potential energy of the flow. The principal results provide a resolution to the debate regarding the mechanism and degree of mixing in the head of a gravity current during the slumping phase. The nature of the complex internal mixing s...
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ژورنال
عنوان ژورنال: Fire Safety Science
سال: 1994
ISSN: 1817-4299
DOI: 10.3801/iafss.fss.4-253