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A short aluminium cylinder 2.5 cm in diameter and 5 cm long is initially at a uniform temperature of 100°C. It is suddenly subjected to a convection environment at 50°C and h = 400 W/m2°C. Calculate the temperature at a radial position of 1 cm from outer surface and a distance of 0.5 cm from one end of the cylinder 10 seconds after exposure to the environment.
the pump on the right supplies energy to the flow such that the upstream pressure in the 18-in. pipe is 25 psia and the
The exit temperature, in °R
Assuming that the air is 80°F and 1 atm and blows across the wall as on a flat plate, estimate the average temperature the wall will attain for equilibrium conditions.
determine the change in the specific internal energy of solid aluminum as it is heated at atmospheric pressure from 300
the assembly consisting of a uniform slender bar mass m5 and a rigidly attached uniform disk mass 4m5 is freely pinned
The drag FD on an airfoil is related to its velocity V, its length L, its chord length c, its angle of attack a, and the density r and viscosity m of the air. Relate the drag to the other variables.
a how would you classify sodium benzoate ionic or molecular or both?b based upon the rules of solublity would an ionic
Calculate the moment of inertia Ix for the composite circular area shown in the figure.
a machine component is made of 2024-t4 aluminum. the external loads produce highest operating principle stresses that
An engineer graduates at age 22, and she gets a job that pays $60,000 per year, she wants to invest enough to fund her own retirement without relying on an employer pension program or Social Security. Her goal is to have $1 million saved for retireme..
For the results found in Project 2, compute the metacentric height (as described in Section 5.6). Plot the metacentric height versus the diameter of the cylinder.
Atmospheric air at a pressure of 1 atm and dry-bulb temperature of 90F has a wet bulb temp of 85F. Using the psychometric chart, determine (a) the relative humidity, (b) the humidity ratio, (c) the enthalpy, (d) the dew point temp and (e) the water v..
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