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AE202 Name______________________ Lecture 5.2 Heat Loss Date_______________________ Heat flow rate (q) [BTU/hr] q = [ BTU/hr] A = Actual area [square feet] UT = Actual temperature difference [°F] UT = (Ti- To) [°F] Ti= To= Temperature Ti Inside temperature Winter design = °F Summer design= °F ToOutside design temperature City Pittsburgh AP (Airport) CO (County Office) Latitude Longitude Elevation Winter Design Dry Bulb (State College) @99% ________°F @97 ½% ________°F Basement TD= Ti– Tsoil Tsoil= Tavg– A A = Amplitude Tave= Average air winter temp
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