Articles

GREENHOUSE CHARACTERISTICS AND CLIMATIC CONDITIONS USING 3D COMPUTATIONAL FLUID DYNAMICS CALCULATIONS

Article number
614_52
Pages
347 – 351
Language
English
Abstract
The proper greenhouse climate depends mainly on ventilation.
A lot of experimental work is done describing the ventilation in a mathematical model based on greenhouse geometry and surrounding conditions.
Some computational fluid dynamics (CFD) studies are done in this field but they were all two-dimensional.
In this presentation, a three-dimensional CFD study on the wind driven ventilation of a Venlo-type greenhouse is given.
The calculations are verified by experimental results from tracer gas measurements.
From the study it is concluded that the ventilation has a strong three-dimensional character due to the wind direction and the geometry of the greenhouse.
The microclimate, hence the temperature distribution in the greenhouse subscribes this as well.

Publication
Authors
J.B. Campen
Keywords
ventilation, computational fluid dynamics, wind-driven, three-dimensional
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