Numerical Simulation on the Aerodynamic Characteristics Effect of Ribs Acting on the Cooling Tower

Abstract:

The experimental work deals with the modelling of flow around a two-dimensional model of an infinite cylinder in a trans-critical flow regime. Herein, there was used ANSYS Fluent and the turbulent model k-ε realizable for the calculation of the pressure distribution around the cylinder. This turbulence model belongs to Reynolds Averaged Navier-Stokes equations (RANS). The simulated numerical domain considered half of the cylinder with the diameter of 70 m, wind flow was set to 35 m.s^-1, which resulting in the Reynolds number of Re = 1,68.10⁸. In this study, meridional wind ribs were modelled physically. A parametric study was modelled with the different shape of ribs, ribs spacing and height. Simulated results were compared with experimentally ascertained data and guidelines.

• Periodical: Solid State Phenomena (Volume 259)
• Pages: 227-231
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.259.227
• Online since: May 2017
• Authors: Petr Harazim*, Lukáš Vrablik
• Keywords: External Surface Wind Ribs, Natural Draught Cooling Tower, Wind Pressure Load

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