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AI InsightThe study showed that the CFD may be used as a powerful tool for determining inner climatic factors in naturally ventilated greenhouses.
📌 3 Maddede Bu Makale
Özet
Öz Aim of study was to compare the measured inner air temperature and relative humidity values with the simulated values determined with Computational Fluid Dynamics (CFD) technique in the naturally ventilated gable-roofed single glasshouses located East-West direction, having 90° window span and different growing conditions such as plant and without plants. In study, the gable roofed single glasshouses in West Mediterranean Agricultural Research Institute were chosen as material. Study area is located at the latitude of 36º 52' N and longitude of 30º 50' E. In the greenhouses selected as material, measured values were recorded every minute from 8 a.m. to 18 p.m. by using the relative humidity and air temperature meters placed in different locations. However, these values were used as average of 2 hours in calculations to reduce number of data. The Solid Works analysis software was used for CFD simulations of the greenhouses selected as material. The air temperature and relative humidity values inside the greenhouse were simulated depending on the outside ambient conditions and structural and physical properties of greenhouse. Then, the measured values were compared with the simulated values and compliance levels of these values were determined. In conclusion, the error rates of measured and simulated air temperature and relative humidity values in the greenhouse with plant were found as 4.9% and 0.0%, respectively. Additionally, the same values in the greenhouse without plant were also found as 0.0% and 5.2%, respectively. The study showed that the CFD may be used as a powerful tool for determining inner climatic factors in naturally ventilated greenhouses.