Physics, 29.06.2019 15:10, kaileyy06

You've experienced convection cooling if you've ever extended your hand out the window of a moving vehicle or into a flowing water stream. with the surface of your hand at a temperature of 30 degree c. determine the convection heat flux for a vehicle speed of 35 km/h in air at -5 degree c with a convection coefficient of 40 w/m2 . k and a velocity of 0.2 m/s in a water stream at 10 degree c with a convection coefficient of 900 w/m2 k. which condition would feel colder? contrast these results with a heat loss of approximately 30 w/m2 under normal room conditions.

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You've experienced convection cooling if you've ever extended your hand out the window of a moving v...