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Looking for help calculating heat transfer for PEX ground loop project
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[QUOTE="jrmichler, post: 6849468, member: 638574"] Start by finding the lowest air temperature at which it needs to not freeze. Then calculate the heat loss from the trough at that temperature, then recalculate assuming insulation around the sides and under the bottom. If you can teach the livestock to poke their noses down through floating balls, calculate again with floating balls. Calculate heat loss assuming 32 deg F water in the trough. That heat loss is how much heat your system needs to supply. Find the ground temperature in your area. The water temperature in the circulating loop will be roughly halfway between the ground temperature and the 32 degree trough water temperature. From the heat loss calculated above, and the temperature difference between trough water and circulating loop water, calculate the minimum flow rate. Then search [B]ground source heat pump[/B]. Look at the various methods of thermally connecting to the ground. Choose one. The easiest way to size the ground loop is to find the sizes of the ground loops for different size heat pumps, then interpolate based on your calculated heat loss. [/QUOTE]
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Looking for help calculating heat transfer for PEX ground loop project
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