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Consider the composite wall of Problem 2.53. In part (d), you are asked to sketch the temperature histories at x 0, L during the transient period between cases 2 and 3. Calculate and plot these histories using the finite-element method of FEHT, the finite-difference method of IHT (with ?x = 5 mm and ?t = 1.2 s), and/or an alternative procedure of your choice. If you use more than one method, compare the respective results. Note that, in using FEHT or IHT, a look-up table must be created for prescribing the variation of the heater flux with time (see the appropriate Help section for guidance).
Calculate the maximum bending stress on a rectangular beam 12 in. x 20 in. that has an applied bending moment of 10,000 lb-in.
In what types of situations is it advantageous to have a single crystal material instead of a multi-grained material? What are the challenges in creating a single crystal? How do they create them?
A pipe system carries a steam-water mixture at 250 psi, 95% quality. A leak develops in the pipe allowing the fluid to escape to the building which is at atmospheric pressure. Treating the leak as a throttling process, find the state of the escaping ..
What is the di¤erence between solid-state phase transformations such as the eutectoid reaction and the martensitic phase transformation?
the 30-mg freight car a and 15-mg freight car b are moving toward each other with the velocities va 20 kmh to the right
electric space heaters for home use commonly utilize a ceramic filament as the heating element. list the mechanical
A four-cylinder two-stroke engine operating at 2400rpm produces 55kW of total brake power. The cylinder displacement is 1L. Assume the heat release perks of fuel to be 35MJ and the thermal efficiency to be 30%.
water vapor an ideal gas enters a diffuser expansion device at a pressyre of 0.70 bar a termperature of 160 c and a
Find the velocity of the bullet and block just after impact.
the initial temperature is t 162 c air expands as an ideal gas from 10 bar and the above temperature to 1 bar in an
a battery of cylindrical hollow-fiber membranes is operated at steady state to concentrate a bacterial suspension from
a piston-cylinder device contains 6 kg of h2 and 21 kg of n2 at 160 k and 5 mpa. heat is now transferred to the device
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