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Geothermal steam is planned as an energy source for power generation. The steam enters and adiabatic exchanger at 2 bars and 65 percent quality, and condenses to a saturated liquid before exiting. The working fluid takes this energy for the heat engine. Groundwater at 15C is to be used as the cold reservoir, and the heat engine is to generate 3.70 kW. If the mass flow rate of steam is 50 kg/h, determine:
a) the rate at which heat is removed from the steam, in kJ/h
b) the rate of heat rejection to the cold reservoir, in kJ/h
c) the thermal efficiency
tests reveal that a normal driver takes about 0.75s before he or she can react to a situation to avoid a collision. it
consider the incompressible-flow field u ax by v cx dy w 0. for what conditions on constants a b c d is this flow
descriptive questions - give brief answers in words. no calculations are required. you may write your answers in point
a small high speed turbine operating on compressed air produces a power output of 100 w. the inlet state is 4 bar 50
providing domestic hot water to a household typically requires 107 kj of energy per year. a typical electric water
Using the data in Problem , Meredith and Smunt Manufacturing expects sales of pumps to grow by 10% next year. Compute next year's sales and the sales for each quarter.
consider a rigid tank of volume 15 m3 . this tank is connected to a steam supply line. the tank is initially evacuated.
a gas contained in a cylinder goes through 2 processes in series. first from 1 to 2 is constant pressure compression 50
sterling silver is a metal alloy containing silver and copper. calculate the composition of both elements in mass
1000 kghr of water at 1 bar is fed to a pump where the pressure of the water is increased to 20 bar in an adiabatic
water is pumped at a rate of 1.57 cfs from one large open tank into another through a 6 in diameter cast iron pipe 400
discuss the sequence of events in an antilock braking system such that the utilization of tireground available adhesion
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