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Two wide plates shown in sketch are maintained at temperature T=1000 K. They exchange radiation between themselves and the surroundings. Use a suitable method to predict the racS,T variation along these plates when a= e= 0.1, 0.5, and 0.8 and emissions and reflections are diffuse. The plate dimensions are shown in the sketch.
consider a plane wall 100mm thick and of thermal conductivity 100 w/m .k seady state conditions are known to exist with T1 = 400 k T2= 600 K. determine the heat flux and the temperature gradient off the coordinate systems.
Assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. If the contact load is 50 N, E = 210 GPa, and ν = 0.3, determine (a) the radius of the contact area, (b) the maximum contact pressure.
Friction between the piston and cylinder wall can be neglected because the process occurs so slowly. For the air, determine the initial and final pressures in kPa and the boundary work for the process in kJ.
SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.
A layer of water seperates two smooth surfaces a distance of 2r. Derive an experssion for the force needed to pul the two surfaces apart. Consider the bottom surface fixed. What is the force needed to seperate the top surface?
.How does data screening differ from data cleaning?
Treat the locomotive as a particle and assume that the railroad tracks are rectilinear and horizontal.
What is the composition, in atom percent, of an alloy that consists of 5.5 wt% Pb and 94.5 wt% Sn?
A rigid tank contains water vapor at 200 degrees celcius and unknown pressure. When the tank is cooled to 150 degrees celcius, the vapor starts condensing. Estimate the initial pressure in the tank.
Plot the total mass in the tank, in kg, and the amount of heat transfer, in kJ, versus the final quality x ranging from 0.2 to 1.0
The wheel of a crane lift is rolling on a flat rail. The radius of the wheel is 4 in, the contact length and force are 2.5 in and 1 ton respectively, and E = 30 MPa and ν = 0.3 for both parts. Determine (a) the maximum contact pressure, (b) the wi..
DOF system and Find the differential equation describing the system
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