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The R-factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corr...Asked by mehmet kaya
The R-factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 39 ft2 °F h/BTU.
a) Determine the thermal resistance (in m2 K/W) in SI units.
Yanlýþ. Tries 1/4 Previous Tries
b) Find the heat flow per square meter through a wall that has insulation with an R-factor of 39, with an outside temperature of -18.9 °C and an inside temperature of 24.7°C.
a) Determine the thermal resistance (in m2 K/W) in SI units.
Yanlýþ. Tries 1/4 Previous Tries
b) Find the heat flow per square meter through a wall that has insulation with an R-factor of 39, with an outside temperature of -18.9 °C and an inside temperature of 24.7°C.
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