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An open feedwater heater operates steadily with 30 kg/hr of liquid water entering one inlet at 40 °C and 700 kPa. Water vapor enters a second inlet at 200 °C and 700 kPa. Saturated liquid exits with a pressure of 700 kPa. The dead state temperature and pressure is 20 °C and 100 kPa, respectively. (a) Draw and label a schematic of the system. (b) Determine the mass flow rate (kg/s) of water vapor neededand (c) the rate of exergy destruction (kW)
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
A 9º wedge is inserted using a force of 1000 lbs. The static coefficient of friction between the wedge and the log is 0.50. Determine the force required to pull the wedge out.
Consider two-dimensional flow over the double-wedge airfoil shown. Find the lift and drag per meter span acting on the airfoil and sketch the flow pattern. Find the pressure acting on all surfaces.
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
Use potential flow theory to determine the lift coefficient of a spinning baseball in terms of the forward velocity (V ) and spin RPM.
Determine the velocity of the airplane required for pilot to experience weightlessness at the top of the circular path.
Evaluate the position and magnitude of the maximum bending moment.
Evaluate the valve closure to achieve a water exit velocity
Propane gas enters a continuous adiabatic heat exchanger' at 40°C and 250 kPa and exits at 240°C superheated steam at 300°C and 5.0 bar enters the exchanger flowing counter currently to the propane and exits as a saturated liquid at the same press..
What is the minimum energy in the conduction band, and where can it be found in the Brillouin zone?
Cooling/Dehumidification of an air stream, A 1000 m3/minute air stream at atmospheric pressure is at a temperature of 82.2oC and a humidity of 60%. We want to cool the air + water vapor to 8.9oC to condense the water vapor.
Prepare a Journal paper on Renewable Energy
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