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Consider cylindrical and spherical shells with inner and outer surfaces at r1 and r2 maintained at uniform temperatures Ts,1 and Ts,2, respectively. If there is uniform heat generation within the shells, obtain expressions for the steady-state, one-dimensional radial distributions of the temperature, heat flux, and heat rate. Contrast your results with those summarized in Appendix C.
Oil at 80°F, density r = 56.8 lbm/ft3 and viscosity m = 0.0278lbm/ft.s is flowing steadily in a 0.5in diameter 120ft long pipe. The pressure at the pipe inlet is 120 psi and at the outlet is 14 psi. Determine the flow rate of oil through the pipe ass..
a horizontal axisymmetric jet of air with 10 mm diameter strikes a stationary vertical disk of 200 mm diameter. the jet
Industrial plant consists of 4-motors and transformer. Two induction motors and two synchronous motors are installed with the following data: The slip range of induction motors is between: s = 0.03-0.05
at the instant shown the angular velocity of the 6kg bar is 10radsec counterclockwise and its angular acceleration is
2 moles of an ideal gas expands isothermally and reversibly from 50.0 dm3 to 85.8 dm3 at a temperature of 68.9
Using Eg s = -79.0 eV for the ground state energy of helium, cal culate the ionization energy (the energy required to remove just one electron).
determine the magnitude of the force p needed to start towing the 40-kg crate. also determine the location of the
Find a cylindrical container that is large enough that it takes at least one minute to drain (you may have to create an opening at or near the bottom that gives the right behavior.
a solid square cross-sectional bar bxb with a yield stress of 250 mpa is subjected to a compressive axial force p 140
the gas inside a cylinder is confined by a piston to a volume of 100 liters. an external force on the piston changes
If the peak pressure and peak temperature of the cycle are 4.8 MPa and 2500, determine the net work done per cycle (kJ/kg) and the cycle thermal efficiency .
Please provide a general description of non-programmable thermostats, including an explanation of how they work and the best usage for them.
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