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Geothermal energy from a natural geyser can be obtained as a continuous supply of steam 0.87 dry at 2 bar and at a flow rate of 2700 kg/h. This is utilized in a mixed-pressure cycle to augment the superheated exhaust from a high pressure turbine of 83% internal efficiency, which is supplied with 5500 kg/h of steam at 40 bar and 500°c .
The mixing process is adiabatic and the mixture is expanded to a condenser pressure of 0.10 bar in a low pressure turbine of 78% internal efficiency. Determine the power output and the thermal efficiency of the plant.
a cross-sectional view of a double-pipe heat exchanger. the fluid in the central pipe is an evaporating liquid while
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 f..
a fundamental law of motion states that the acceleration of an object is directly proportional to the resultant force
a pound of air is used in a carnot power cycle. at a constant 1540of the pressure goes from 2710 psia to 1882 psia.
the 2-kg ball rests between the 45 degree grooves a and b of the 10 degree inlcine and against a vertical wall at c. if
determine the specific volume for the following saturated water a 15 psi x0.5 b 90 psi x0.4 c 145 psi x0.3 d 650 psi
Refrigerant - 12 as saturated vapor at 0.5 MPa is isentropically compressed by a compressor in a refrigeration plant to 0.9 MPa. Determine the enthalpy change for the process and the final fluid phase.
A car drives on a curved road that goes down a hill. The car's position is defined by the position vector, r=(-30.0cos(pi/10.0t)]i+[30.0sin(pi/10.0t)]jâ-(Azt)k} ft where Az=7.00ft/s. The image below shows the system projected onto the x-y plane. What..
the diffuser in a supersonic jet aircraft is a passage designed to reduce the velocity of the air passing through it
a centrifugal pump can provide a 20-m head rise at 75 revmin. if the rotation speed increases to 90 revmin what will be
water flows steadily through an outflow nozzle. known conditions are d1 15 cm v1 3 ms d2 9 cm. assume that the water
A turbine is supplied with 0.6 m3 /s of water from a 0.3 m diameter pipe. The discharge pipe is 0.4 m in diameter. Determine the pressure drop across the turbine if it delivers 60 kW of power.
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