ISSN:
1573-1987
Keywords:
numerical analysis
;
buoyancy
;
WET model
;
k-ε model
;
thermal plume
;
indoor air flow
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract Turbulence models based on the eddy viscosity concept perform poorly for simulation of non-isothermal flows, which are characterized by strongly non-isotropic features of turbulence. In the present study, a thermal plume is calculated using the WET model and severalk-ε models. Comparison with the experiments reveals that the WET model predicts the flow and temperature fields most accurately. Furthermore, the WET model has been modified to account for the damping effect near the wall and applied to the indoor air flow. The computed flow field agrees well with the measurement, except for higher temperatures appearing near the walls.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1009982217422
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