Determine the total heat transfer from the vertical wall described in Problem 19.19 to the surrounding air per meter of width if the wall is 2.5 m high.
Problem 19.19
Using the relations from Problem 19.8, determine, for the case of air at 310 K adjacent to a vertical wall with its surface at 420 K,
a. the thickness of the boundary layer at x=15 cm, 30 cm, 1.5m
b. the magnitude of hx at 15 cm, 30 cm, 1.5 m
Problem 19.8
Glycerin flows parallel to a flat plate measuring 2 ft by 2 ft with a velocity of 10 fps. Determine values for the mean convective heat-transfer coefficient and the associated drag force imposed on the plate for glycerin temperatures of 350°F, 50°F, and 180°F. What heat flux will result, in each case, if the plate temperature is 50°F above that of the glycerin?
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