CFD simulation of airflow distribution in low profile cross ventilated dairy cattle barn

In this study, a full-scale dairy cattle house was modelled to investigate the distribution pattern of airflow in LPCV barn. The simulation of dairy cattle was considered to improve the reliability of the CFD model, as the presence of cows in barns can significantly influence air flow patterns and internal environmental conditions. Simulation results shows that the problem of uneven flow distribution is generally exist in the barn. The wind speed differed greatly between the two sides of the baffle in the bedding area. The CFD model was validated via comparison with the field experimental results at the same locations where the sensors were installed. And this study can provide references for the optimization design and environment regulation of LPCV dairy cattle barn in China.