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Revista U.D.C.A Actualidad & Divulgación Científica
versão impressa ISSN 0123-4226
Resumo
VILLAGRAN MUNAR, Edwin Andrés; BOJACA ALDANA, Carlos Ricardo e ROJAS BAHAMON, Niccole Alejandra. DETERMINATION OF THE THERMAL BEHAVIOR OF A COLOMBIAN SPATIAL GREENHOUSE THROUGH COMPUTATIONAL FLUID DYNAMICS. rev.udcaactual.divulg.cient. [online]. 2018, vol.21, n.2, pp.415-426. ISSN 0123-4226. https://doi.org/10.31910/rudca.v21.n2.2018.1070.
In Colombia, flower production takes place in greenhouses of different types and geometric shapes, but with the common feature of using natural ventilation for climate control. At present the knowledge on the climatic performance of these structures is scarce. The aim of this work was to evaluate the thermal behavior of a greenhouse under day and night climate conditions. The evaluation made by computational modeling used the computational fluid dynamics (CFD) approach applied to a greenhouse dedicated to the production of carnation (Dianthus caryophyllus) and exposed to the weather conditions of the Sabana de Bogotá (Colombia). This methodological approach allowed us to obtain the thermal distribution patterns inside the greenhouse, finding that for the meteorological conditions evaluated, the greenhouse generates inadequate thermal conditions for the development of the crop. The validation of the CFD model was carried out by comparing the results of the simulations and the temperatures recorded in the real prototype of the greenhouse, obtaining an adequate degree of adjustment between the simulated and measured values.
Palavras-chave : temperature; computer simulation; thermal inversión; Dianthus; meteorology.