Airflow through a long rectangular heating duct that is 0.75 m wide and 0.3 m high maintains the outer duct surface at 45ºC. If the duct is uninsulated and exposed to air at 15ºC in the crawlspace beneath a home, what is the heat loss from the duct per meter of length?

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12-08-2024
Physics

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Airflow through a long rectangular heating duct that is 0.75 m wide and 0.3 m high maintains the outer duct surface at 45ºC. If the duct is uninsulated and exposed to air at 15ºC in the crawlspace beneath a home, what is the heat loss from the duct per meter of length?

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