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A short cylinder ( rho = 8000 kg/m3, k = 400 W/m-K, CP = 400 J/kg-K) 200 mm long and 80 mm in diameter is initially at a uniform temperature of 25 degree C It is then suddenly exposed to a convective environment at T infinity = 100 degree C with a heat transfer coefficient h =1000 W/m2-K. Determine the temperature at the center point of the cylinder 2 minutes after sudden application of the heat using the product solution method. Determine the temperature at the center point of the cylinder 2 minutes after sudden application of the heat using the lumped method. C. Comment on the appropriateness of each method.
the following figure shows the schematic diagram of a vapor compression refrigeration system using r-134a as the
low-velocity steam with negligible kinetic energy enters an adiabatic nozzle at 300 c and 3 mpa. the steam leaves the
the reactor on the nuclear ship savannah operated at a power of 69 mw.a how much 235u was consumed on a
consider the equation dydt y2y2-1 a- determine the equilibria and classify each one as asymptotically stable unstable
plot the final bend radius as a function of initial bend radius in bending for a 5052-o aluminum b5052-h34 aluminum c
air enters an adiabatic compressor at 20 degc and 100 kpa at a rate of 2 kgs and exits at 700 kpa. if the power input
a subway train is being designed for operation between two stations a and b which are 2 km apart. if the maximum
consider a steam power plant that operates on a simple ideal rankine cycle and has a net power output of 45mw. steam
a 20-mm diameter rod made of a ductile material with a yield strength of 350 mpa is subjected to torque of 100 n.m and
Shows an electric-circuit which is called a phase-lag network. Derive the transfer function and consider the above bock-diagram of figure (3). You are now required to derive the transfer function Y(s)/R(s), by using the signal flow graph meth..
1. graphically verify moseleys law for the k beta1 lines of cu mo and w.2. acalculate the mass an linear absorption
the pressure in an automobile tire depends on the temperature of the air in the tire. when the air temperature is 25
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