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Consider a solar pond power plant operating on a closed Rankine cycle. Using refrigerant-134a as the workingfluid, specify the operating temperatures and pressures in the cycle, and estimate the required mass flow rate of refrigerant-134a for a net power output of 50 kW. Also, estimate the surface area of the pond for this level of continuous powerproduction. Assume that the solar energy is incident on the pond at a rate of 500 W per m2 of pond area at noontime, andthat the pond is capable of storing 15 percent of the incident solar energy in the storage zone
a liquid zone control unit has a diameter of 10 inches. the water is filled to a height of 0.5m. the thermal neutron
Moment of Momentum Determine the moment of momentum of m in Figure 2.67. The mass m is attached to a mass less rod with length l. The rod is pivoted to a rotating vertical bar that is turning with angular speed ω.
A uniform bar of length l and weight w is suspended symmetrically by two strings, set up the differential equation of motion for small angular oscillations of the bar about the vertical axis, and determine its period.
on an overflow structure of 50 degrees slope the water depth measured normal to the surface of the structure is 1.2 m 4
a dredger is pulling sand from the bottom of a harbor and loading it onto a barge. the sand sg 2.6 leaves the dredger
An adiabatic gas turbine expands air at 1,000kPa and 500C to 100kPa and 150C. Air enters the turbine through 0.200m^2 opening with an average velocity of 40 m/s and exhausts through a 0.910m^2 opening.
Carbon dioxide gas enters a pipe at 3 MPa and 500 K at a rate of 2 kg/s. CO2 is cooled at constant pressure as it flows in the pipe and the temperature of CO2 drops to 450 K at the exit.
Komodo dragons are the largest lizards known to man. A 250-pound dragon can eat enough food to increase it body weight by 1/2. Which number sentence could be used to find w, the weight of a k0modo dragon after increasing it body weight by 1/2?
Explain the change in magnetic properties when steel is heated. Is this due to allotropic properties?
The temperature of the milk at the inlet of H is 408C, the temperature of the cooling water at the inlet of the condenser is 208C, the steam introduced into the chamber H is saturated at 475.8 kPa pressure, and the heat capacity of the milk is 3.8..
An external force F is then applied on the piston until the pressure inside the cylinder increases to 100atm. assuming the coefficient of compressibility of water remains unchanged during compression, estimate the energy needed to compress the wat..
a-2-m by 1.5-m section of wall of an industrial furnace burning natural gas is not insulated and the temperature at the
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