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The power output of an ideal, open-cycle gas turbine cycle is 75 MW and its pressure ratio is 16. Air enters the compressor at 520 R and enters the turbine at 2800 R. Using variable specific heats at 1000°F: cp = 0.263 Btu/lbm-R and k = cp/cv = 1.353, find: (a) cycle thermal efficiency (b) mass flow rate of air.
methane ch4 at 25 c 1 bar enters a furnace operating at steady state and burns completely with 140 of theoretical air
air is compressed in an isentropic process from an initial pressure and temperature of p1 90 kpa and t1 22 oc to a
gasoline car enginea gasoline car engine has a compression ratio of 8. air enters the cylinders of the engines at 60of.
An ideal single reheat cycle uses a turbine inlet conditions of 2500 psia and 1000F and a reheat temperature of 1000F with a reheat pressure ration of P2/P1 = 0.2 and a steam mass flow rate of Ms = 2*10^6 lbm/hr. The condenser operates at a pressure ..
a boy throws a ball straight up from the top of a 12m tower. if the ball falls past him 0.75 s later determine the
you are building a small hydroelectric generator for a hospital in a remote village. the hospital needs approximately
a pump a steady state receives liquid water at 20 c and 100 kpa with a mass flow rate of 50 kgmin. the water exits the
hot air enters a rectangular duct 20-cm-wide 25-cm-high and 5-m-long at 100 kpa and 60 c at an average velocity of 5
a 45.6-kg girl is standing on a 141-kg plank. both originally at rest on a frozen lake that constitutes a frictionless
a fireworks shell is launched vertically from point a with speed sufficient to reach a maximum altitude of 500 ft. a
water is flowing at 10 cms in pipe with a diameter of 5 cm when it hits a bifurcation some of the water travels down
Determine at t = 3 seconds: (a) the magnitudes of velocity and acceleration vectors, and (b) the angles which these vectors make with the x-axis.
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