Utjecaj hrapavosti terena na dimenzije recirkulacijske zone vjetra nizvodno od zgrade

Kozmar, Hrvoje and Barić, Emil and Džijan, Ivo (2012) Utjecaj hrapavosti terena na dimenzije recirkulacijske zone vjetra nizvodno od zgrade. = Effect of terrain roughness on the building wake dimensions. Strojarstvo, 54 (4). pp. 273-282. ISSN 0562-1887. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 3.

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A computational model has been developed to determine wind characteristics in the wake of a rectangular building and validated against previous field-test results. Dimensions of the recirculation zone behind the building have been determined using the Reynolds-Averaged-Navier-Stokes (RANS) equations for two different wind incidence angles, i.e. for wind normal to the longer building side and for wind normal to the shorter building side. Obtained results show a decrease in the recirculation zone length for rougher terrains. Therefore, numerical results presented in this paper proved to be in good agreement with full-scale results indicating that the approach taken in this study can be successfully applied in calculating dimensions of recirculation zone in the wake of a rectangular building for various terrain types.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Building aerodynamics; Computational model; Full-scale results; Numerical results; Recirculation zones; Rectangular Buildings; Terrain roughness; Wind characteristics; Atmospheric boundary layer; Computational fluid dynamics; Navier Stokes equations; Turbulence models; Wakes; Buildings
Divisions: 1400 Department of fluid mechanics > 1420 Chair of environment and construction aerodynamics
Indexed in Web of Science: No
Indexed in Current Contents: No
Citations SCOPUS: 0 (27.07.2017.)
Date Deposited: 30 Apr 2015 11:22
Last Modified: 27 Jul 2017 11:04
URI: http://repozitorij.fsb.hr/id/eprint/3884

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