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- # https://en.wikipedia.org/wiki/Thermal_conductivity
- dimension ThermalConductivity = Power / (Length × Temperature)
- fn heat_transfer(λ: ThermalConductivity,
- wall_area: Area,
- thickness: Length,
- temp_hot: Temperature,
- temp_cold: Temperature) -> Power =
- λ × wall_area × (temp_hot - temp_cold) / thickness
- let λ_concrete: ThermalConductivity = 0.92 W / (m · K)
- print(heat_transfer(λ_concrete, 3 m × 2 m, 20 cm, from_celsius(20), from_celsius(0)))
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