Engineering, 18.12.2019 00:31 lizbethmillanvazquez
Consider a refrigeration truck traveling at 78 mi/h at a location where the air is at 1 atm and 80°f. the refrigerated compartment of the truck can be considered to be a 9-ft-wide, 8-ft-high, and 20-ft-long rectangular box. assuming the airflow over the entire outer surface to be turbulent and attached (no flow separation), determine the drag force acting on the top and side surfaces and the power required to overcome this drag.
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Engineering, 04.07.2019 19:10
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
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Engineering, 04.07.2019 19:10
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Consider a refrigeration truck traveling at 78 mi/h at a location where the air is at 1 atm and 80°f...
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