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Consider a spark ignition combustion engine with two possible configurartion for turbocharging. Configuration A is conventional turbocharging. Configuration B is a new propsed configuration using a vapor Rankine power cycle. Assuming a typical engine exhust temperature of 650 C, and assuming a typical exhaust mass flow rate and exhaust pressure for an SUV-six-cylinder engine,propse three different vapor cycles for Configuration B using different vapors. Compare the performance of each vapor cycle against the conventional Configuration in terms of gain in engine intake pressure ratio. For pumps, turbines and compressor use 85% isentropic efficiency, for heat exchangers use an effectiveness of 0.8 and assume 5% pressure lose. All specific heats must be treated as varying with temperature
consider a 210mw steam power plant that operates on a simple rankine cycle. steam enters the turbine at 10mpa and 500oc
a mass of 5 lbm is released when it is just in contact with a spring of stiffness 25 lbfft that is attached to the
a city engineer knows that she will need 25 million in 3 years to replace toll booths on a toll road in the city.
one mole of an ideal gas at t 25 degc is held in a cylinder by a piston at a pressure of 1 x 107 n m-2. the piston
the 200-kg boat is powered by the fan which develops a slipstream having a diameter of 0.75 m. if the fan ejects air
calculate the force required in direct extrusion of 1100-o aluminum y105 mpa from a diameter of 100mm in to 50mm.
a cylinder with a moveable piston holds .20 lb of hydrogen initially in a volume of 1 cu ft at a tem-perature of 1300
an automobile tire with a volume of 0.5m3 is inflated to a gage pressure of 200 kpa. calculate the mass of air in the
both a gage and a manometer are attached to a gas tank to measure its pressure. if the reading on the pressure gage is
a vortex tube has an air inlet flow at 20 degrees celsius 200 kpa and two exit flows of 100 kpa one at 0 degrees
a man is driving his classic 1957 corvette on a circular path of radius r. the corvettes distancealong the paths
a tank contains 1 m3 air at 100 kpa 300 k. a pipe flowing air at 1000 kpa 300 k is connected to the tank and it is
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