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Prepare a thermal analysis matching a line focusing collector, a paraboloid dish collector, and a CPC collector with a CR of 3:1 to a suitable working fluid in Washington, DC, and Albuquerque, New Mexico. Comment on storage needs in both locations.Low-temperature organic and steam efficiencies were computed with the following assumptions: expander efficiency, 80%; pump efficiency, 50%; mechanical efficiency, 95%; condensing temperature, 95°F; regeneration efficiency, 80%; high side pressure loss, 5%; low side pressure loss, 8%.
A geothermal pump is used to pump brine whose density is 1050 kg/m3 at a rate of 0.3 m3/s from a depth of 200 m, For a pump efficiency of 74 percent, determine the required power input to the pump.
Why is it impossible to infer the emergent properties of a complex system from the properties of the system components?
The nominal resistance of the strain gages is 120 ? . Calculate the force range for which the measurement system may be applicable.
electricity passes through a 1mm-diameter wire of 1m length submerged in boiling water at a pressure of 150kpa. hbar is
water at 40 degrees celsius flows from a to b through a 300-mm cast iron pipe xi0.000061 m 250 m long. point b is 10 m
the vapor-compression refrigeration system uses r-134a as its working substance. the pressure upstream and downstream
Air flows steadily through a one-inlet, one-exit control volume. At the inlet, which has a flow area of 28 cm2, the air is at 600 kPa, 500 K, and has velocity of 30 m/s. At the exit, the pressure is 300 kPa, the temperature is 456.5 K, and the veloci..
a person weighing 800 lbf climbs a flight of stairs that extends a vertical distance of 300ft. calculate the work and
consider a regenerative rankine cycle with a 600c and 4-mpa throttle a 5-kpa condenser and an open feedwater heater at
A construction manager just starting in private practice needs a van to carry crew and equipment. She can lease a used van for $3,051 per year, paid at the beginning of each year, in which case maintenance is provide. Alternatively, she can buy a use..
suppose that two plates thickness t0.027 m and area a1.2 m2 for each plate are mated together. the thermal conductivity
1. what types of engineers e.g. civil construction mechanical industrial material science electrical etc. do you think
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