Abstract
Turkey’s poultry industry has experienced significant growth in recent years, resulting in the construction of many new production facilities. It is important to maintain optimum environmental conditions for a profitable production. In this study, temperature, relative humidity and air velocity distribution inside a broiler house were analysed. Computational Fluid Dynamics (CFD) simulations (numerical method) and direct measurements (experimental method) were used to determine the appropriate indoor environmental conditions. Simulated values were validated by comparison with the measured values using the normalised mean square error (NMSE). The measured and predicted parameters of temperature, relative humidity and air velocity at birds’ height, human height, and roof height upon comparison gave average NMSE values of 0.139, 0.181 and 0.090, respectively. The results showed a good agreement between simulated and measured values as obtained NMSE values were less than 0.25. In conclusion, CFD simulation can be used as an alternative method for the analysis of poultry house indoor environment. A better understanding of indoor environment conditions in poultry house provides useful information for manufacturers and end users for better management decisions.
Highlights
In recent years, Turkey’s poultry industry has become the fastest emerging and growing industry
Since measurements are conducted at regular intervals the results may not necessarily be representative of the entire house conditions, making the accurate prediction of stress areas inside the building difficult. Because of these drawbacks encountered during direct measurement, Computational Fluid Dynamics (CFD) techniques can be used as an alternative to determine indoor environmental conditions
Considering the measurement line birds’ height (BH), higher temperatures were observed along the central line (CL) as compared to the temperatures observed on the left and right side of the CL
Summary
Turkey’s poultry industry has become the fastest emerging and growing industry. Since measurements are conducted at regular intervals (grids) the results may not necessarily be representative of the entire house conditions, making the accurate prediction of stress areas inside the building difficult Because of these drawbacks encountered during direct measurement, CFD techniques can be used as an alternative to determine indoor environmental conditions. Validation of simulation models with experimental data is essential for reliable predictions Based on these facts, the distribution of air temperature, relative humidity and air velocity inside the broiler house were investigated using two methodologies, namely, direct measurement by instrumentation and CFD simulation program. The CFD simulation results were used to reconstruct indoor environmental conditions such as stagnant and stress zones of broiler house in the form of visual simulations
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