Performance Of Evaporative Cooling Pads On A Swine Farm In Central Iowa – Pig Articles From The Pig Site – The Pig Site

Looking first at the ambient conditions, we note that as the temperature rises during the day, the RH decreases, which provides considerable temperature reduction potential during the hottest part of the day. Figure 2. Ambient and barn temperatures during early July 2012 for the monitored swine breeding/early gestation barn showing temperature drop across eveporative cooling pad (represented by locations A & B) and subsequent temperature rise along the length of the barn This is evidenced by Figure 3, where the temperature drops measured across the pads in two gestation barns are shown. Temperature drops of 10 to 20F during the day were common. The effect of the cooling pads is most dramatic on the first day shown in Figure 2 (7/6) where the ambient temperature wasat 100F for several hours but the barn temperatures only reached 85F. Figure 3. Temperature drops across evaporative cooling pads during early July 2012 for the monitored breeding/early gestation (B/EG) and late gestation (LG) barns Figure 4 shows the monitored days where the average daily ambient temperature exceeded 68F and the pads were running.
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