The Study of the Turbulent Model and Numerical Scheme in Fires
Author(s): Zhang Hui, Fan Wei cheng Department of Engineering Thermophysics
Pages: 459-466
Year: 1988 Issue: 4
Journal: Journal of University of Science and Technology of China
Keyword: fires; turbulent model; numerical scheme;
Abstract: The motion of buoyant flows often seen in fires is predicted by solvingthe basic equations of chemical fluid dynamics. Three different kinds of turb-ulence model and two numerical schemes are adopted respectively to study theeffects of them on predictions. A non-uniform mesh of exponential distributionis proposed and aproved to be useful in convergency. Predictions of distribu-tions of velocity and temperature and their variation with time are obtainedwith the recommended turbulence model and numerical scheme, which are in ag-reement qualitatively with experimental observations.
Pages: 459-466
Year: 1988 Issue: 4
Journal: Journal of University of Science and Technology of China
Keyword: fires; turbulent model; numerical scheme;
Abstract: The motion of buoyant flows often seen in fires is predicted by solvingthe basic equations of chemical fluid dynamics. Three different kinds of turb-ulence model and two numerical schemes are adopted respectively to study theeffects of them on predictions. A non-uniform mesh of exponential distributionis proposed and aproved to be useful in convergency. Predictions of distribu-tions of velocity and temperature and their variation with time are obtainedwith the recommended turbulence model and numerical scheme, which are in ag-reement qualitatively with experimental observations.
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