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A gas turbine Brayton cycle operates with an intercooler a re-heater and a regenerator. Air enters the engine at 14 psi and 60 °F; the pressure ratio for each stage of compression is 3; the air temperature when entering a turbine is 940 °F and the regenerator operates perfectly (effectiveness is 100%) Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
The role of IFRS in both developing and developed capital markets.
Twenty-five samples of steel beam were chosen and tested for Young's Modulus. Eight had a modulus of E = 30 x 10^6 psi. Two had a modulus of E = 29 x 10^6 psi. Fifteen had a modulus of E = 30. x 1-^6 psi.
Identify the mass properties that would be used to determine an appropriate size box to package 60 ABS Plastic (0.038 lb/in3) blanks and to ship them at $1.15 per pound.
Determine the thermal efficiency of the cycle and the net specific work. Assume each turbine stage isentropic efficiency to be 99% and assume the FWH is open.
Carbon fibre reinforced polymers (CFRP have been used extensively in aerospace applications due to their excellent strength to weight and stiffness to weight properties.
Heat transfer to air takes place partly at constant volume and partly at constant pressure, and it amounts to 1520.4 kJ/kg. Determine (a) the fraction of heat transferred at constant volume and (b) the thermal efficiency of the cycle.
why is the correct tightening of friction grip bolts important?
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
A body having a mass of 46 kg rests on a horizontal planse for which the coefficiant of friction f = 0.4. A force P acts ofn the body at an angle of 20 degrees with the horizontal. Find its magnitude for impending motion.
Show that Airy's stress function ? = Crθ sinθ satisfies the biharmonic equation. Also determine the stresses in polar co-ordinate system.
25 washers have a combined mass of 1 lb. how much money is recovered per day from the sale of scrap washers?
A rigid tank with a volum of 2.5m^3 contains 5kg of saturated liquid-vapor mixture of water at 75deg C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized
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