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10 Nov 2019
The top layer of your goose down sleeping bag has a thickness of 5.1 cm and a surface area of 1.0 m^2 . When the outside temperature is -19 C you lose 26 Cal/hr by heat conduction through the bag (which remains at a cozy 35 C inside). Assume that you're sleeping on an insulated pad that eliminates heat conduction to the ground beneath you. What is the thermal conductivity of the goose down?
The top layer of your goose down sleeping bag has a thickness of 5.1 cm and a surface area of 1.0 m^2 . When the outside temperature is -19 C you lose 26 Cal/hr by heat conduction through the bag (which remains at a cozy 35 C inside). Assume that you're sleeping on an insulated pad that eliminates heat conduction to the ground beneath you. What is the thermal conductivity of the goose down?
Casey DurganLv2
21 May 2019
