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Title: On the Influence of the Reynolds-Stress Anisotropy Tensor on the Prediction of Wall-Affected Three-Dimensional Room Airflows
Authors: Heschl, Christian 
Sanz, Wolfgang 
Issue Date: Oct-2008
Source: 29th AIVC Conference, 175-180
Conference: 29th AIVC Conference 
Abstract: It is well known that the turbulence anisotropy has a remarkable influence on the flow of three dimensional wall jets. So the accurate simulation of room airflows with air supplies mounted just below the ceiling requires a highlevel turbulence closure. Therefore in this paper the potential for the improvement of room airflow prediction by using different Reynolds stress models and a new nonlinear eddy viscosity turbulence model are discussed. For this purpose detailed three dimensional PIV measurement results of the velocity distribution and the Reynolds stress in a symmetrical model room are compared with the calculations using different turbulence models.
Rights: info:eu-repo/semantics/openAccess
Appears in Collections:Energie-Umweltmanagement

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