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A steam power generation plant produces 200mw of power. Steam leaves the dealer at 150 bar and 650°c. After expansion through the first stage turbine to a pressure of 40 bar, 15% of the steam is extracted to feed the water heater. The remaining steam is heated to 650°c then expanded to a condenser pressure of 0.04 bar through a second turbine stag. It is assumed that the actual cycle will have an efficiency of 70% and the generator mechanical and electrical efficiency is 95%. Calculate the mass flow rate of steam in kg/hr. The steam rate.
a piston-cylinder device contains 1m3 liquid water of saturated liquid water at 200 c. the water is expanded
air flows in a horizontal cylindrical duct of diameter d 100 mm. at a section a few meters from the entrance the
in an air-conditioning installation a flow rate of 1750 cfm of air at 50 degree ferenheit is required. a smooth sheet
one pound-mass of air at 78 degrees f and 75 psia is contained in a piston-cylinder device. during a reversible process
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
a ship channel has a depth of 16 m and an upper width of 16 m. the sides of the channel are curved such that the width
Consider a power plant operating on an ideal Rankine cycle without feed water heating. Steam enters the turbine saturated at 1000F at the rate of 5 x10 lbm/H. The turbine exhausts to a surface condenser at 1 psia. The condenser has an overall heat tr..
a fan with 1-m-diameter blades moves air at 20degc at sea level. the fan produces a volumetric flow rate of 942 m3min.
A heater is used to raise the temperature of a Thermodynamics classroom by 5.0 o C. Express this temperature rise in units of Kelvin? A heater is used to raise the temperature of a Thermodynamics classroom by 5.0 oC. Express this temperature rise in ..
water at a temperature of 40 c and a pressure of 100 kpa enters a pump at the rate of 50000 kghr. the water leaves the
Deduce a set of boundary-layer differential equations (continuity, momentum, energy) for steady flow of a constant-property fluid without body forces, and with negligible viscous dissipation, in a coordinate system suitable for analysis of the bounda..
a 1x2-in bar is 20 in. long and made of steel with sy 25ksi. with a safety factor of 4 what axial compressive load can
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