DIY ground loop cooling system for home - Math Help!
03-12-2008, 06:56 PM
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H = A dtm U
where
A = heat surface (m^2)
dtm = logarithmic mean temperature difference (oC)
U = heat transmission coefficient (W/m^2*K)
Now with some unit conversion and applying some algebra. you get A= H/(dtm*U).
this will give you the cross sectional surface area of the coils inside your house.
U can be looked up, it depends on the material of the coils.
Im not sure what dtm is at the moment.
where
A = heat surface (m^2)
dtm = logarithmic mean temperature difference (oC)
U = heat transmission coefficient (W/m^2*K)
Now with some unit conversion and applying some algebra. you get A= H/(dtm*U).
this will give you the cross sectional surface area of the coils inside your house.
U can be looked up, it depends on the material of the coils.
Im not sure what dtm is at the moment.
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