Resumo

LOPEZ BAUTISTA, Vicente et al. Analysis coefficients wind force and flow behavior on a greenhouse model. Rev. Mex. Cienc. Agríc [online]. 2016, vol.7, n.4, pp.821-832. ISSN 2007-0934.

The greenhouses are usually constructed with plastic frames covered with metal and are also lightweight structures, which are sensitive to dynamic loads such as wind load. In this work the aerodynamic behavior of a model greenhouse with overhead vent is analyzed through the determination of local pressure wind tunnel using a scale model, considering different wind directions. Airflow on a greenhouse is a complex phenomenon, because this behavior airflow around the model was visualized by injection of smoke and the result was compared with a simulation performed on a software finite element (CFD) for a validation of the flow distribution; coefficients wind strength were determined and compared with values reported in some countries; corroborating the study. It is expected that the results will be useful for future research, and to ensure the mechanical safety of structures and be a benchmark for the industry of building greenhouses.

Palavras-chave : CFD; downforce; greenhouse; simulation; smoke; wind tunnel.

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