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Consider a recalculating flow in the power cycle shown in the figure. The fluid flowing in 100 ft of smooth pipe have an average specific weight of 50 lbf/ft3 and average dynamic viscosity of 5×10-4 lbf.s/ft2. Head loss in the nuclear reactor is 75 ft.lbf/lbf of fluid, and the head loss in the steam generator is 15 ft. The pipe inside diameter is 6-in and the flow rate through the closed pipe system is 22.2 ft3/s. There are four long radius threaded 90° elbows, one 1/3rd closed ball valve and a fully opened globe valve. Find the horsepower to circulate the flow.
steam flows through a passageway and at a particular location the pressure is 3 bar the temperature is 281.48c and the
a long slab is heated to 100degreec on both sides and then exposed to a focused stream of cold air on the top edge -
if ixiy in a given system of coordinates what can be concluded about ixy? what can be concluded about ixy if in
10 ft3 of air initially at 550 0R, 100 psi undergoes a polytropic process pV1.2 = constant to a final pressure of 50 psi. The work of the process is 100 Btu. Assuming ideal gas behavior of the air, determine (a) the mass of air in lb, (b) the final v..
a boat of length 50 m is designed to cruise at 30 mph and is to be tested in a tow tank with a model of length 0.5 m.
a 2m3 rigid tank initially contains air at 100kpa and 22 degree c. the tank is connected to a supply line through valve
A cylindrical wooden storage vat has a 20 ft outside diameter. It is filled with 24 feet of brine with a specific gravity of 1.06. The wooden staves making up the vat are bound by flat steel bands evenly spaced vertically around the tank. Each band i..
water and ammonia streams flow through a steady state heat exchanger. the water stream enters the heat exchanger with a
a mixture of methane and air is capable of being ignited only if the mole pecent of methane is between 5 and 15. a
A compressor receives 0.1 kg/s R-134a at 150 kPa, -10C and delivers it at 1000 kPa, 40C. The power input is measured to be 3 kW. The compressor has heat transfer to air at 100 kPa coming in at 20C and leaving at 30C (i.e. like a heat exchanger). What..
the rigid gate oab shown in the figure below is hinged at o and rests against a rigid support at b. what minimum
A silicon nitride turbine rotor fractures at a stress level of 265 MPa. Estimate the range flaw sizes that could have been responsible for this failure.
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