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An ideal Brayton cycle uses air as the working fluid and has a pressure ratio of 12. The compressor inlet temperature is 300K and the turbine inlet temperature is 1000K. If the net power out is 70MW determine the mass flow rate of the air using constant specific heats For: An ideal cycle When the compressor and turbine efficiencies are 85%.
an annular spur gear 1 mounted on shaft a has 120 teeth and drives a spur gear pinion 2 having 15 teeth mounted on
refrigerant 134a is throttled from a saturated liquid at 70f to a saturated liquid-vapor mixture at 36.1 psia. what are
consider a submarine cruising at 0.18 ms far below the surface in sea water at 20 degree c. a 150-scale model of the
A car accelerates uniformly rest to 81 ft/s over a distance of 700 ft along a curve of 800ft radius .Determine the magnitude of the total acceleration at the instant that speed of 81ft is reached.
what four processes make up the ideal otto cycle? what is happening in an actual engine during the real processes that
Determine the reactions of simply supported beam to both a concentrated and uniform load. A beam with a span of 21 ft is simply supported at the left-hand end and fixed at the right-hand end.
Calculate the surface area available inside the heat exchanger.
A magnetic pickup is used to detect the shaft speed of a turbocharger. A standard hexagonal nut is used to excite the pickup. If the shaft is turning at 50,000 rpm, how many positive impulses will be counted per second?
the combustion of methane gas ch4 with air leads to the following volumetric analysis of the product gases on a dry
a long flat bar has the s-n diagram. the bar is 6in wide by .5 in thick. it has a 2 in hole in the middle.a what is the
a spring is stretched 200mm by a 15kg block. if the block is displaced 100mm downward from its equalibrium position and
an ideal vapor-compression refrigeration cycle opperates at steady state with refrigeratn 134a as the working fluid.
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