Insulation and Ventilation of Poultry Houses Considering Seasonal Climate in South Korea.

This paper aims to present effective insulation and ventilation measures to minimize the damage to poultry due to summer heat and save energy in poultry houses in the winter. Most of the cooling load in poultry houses is from heat gain due to ventilation and internal heat gain from birds. The recommended insulation for poultry houses is a 50 mm insulation roof panel with an attached radiant barrier and walls super-insulated with a 50 mm insulation panel, 400 mm of enclosed airspace, and a 50 mm autoclaved lightweight concrete panel. The average envelope U-value is calculated as 0.378 W/m²·K. The possibility of temperature control of poultry house interior space through ventilation was also investigated. When the outdoor air temperature is over 20 °C, the indoor air temperature of poultry houses can be limited to about 4~4.7 °C above the outdoor air temperature using high ventilation rates. When the outdoor air temperature is under 7 °C, the indoor poultry house air temperature can be kept about 17 °C higher than the outdoor air temperature using low ventilation rates. When the outdoor air temperature is in the range of 9 to 19°C, the indoor air temperature of poultry houses can be kept near 24°C by intermediate controlled ventilation rate. [ABSTRACT FROM AUTHOR]