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Brayton Cycle and Gas Turbine Thermal Efficiency
A large stationary Brayton cycle gas-turbine power plant delivers a power output of 100MW to an electric generator. The minimum temperature in the cycle is 300K, and the maximum temperature is 1600K. The minimum pressure in the cycle is 100 kPa, and the compressor pressure ratio is 14 to 1. The compressor has an isentropic efficiency of 94% and the turbine and isentropic efficency of 89%. Calculate the power output of the turbine. What fraction of the turbine output is required to drive the compressor? What is the thermal efficiency of the cycle?
calculate the pressure drop through the tubes for each selection. Recommend a final design that specidies water-flow rate, tube size, number of tubes, and tube length. Comment on your selection.
Steady State Thermal analysis can be use to simulate and obtain results to support the design optimization / objectives
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
Starting from rest the motorboat travels around the circular path,P = 50m , at a speed v=(0.8t)m/s, where t is in seconds. Determine the magnitude of the boat's velocity when it has traveled 40m. Determine the magnitude of the boat's acceleration ..
a constriction in a pipe will cause the velocity to rise and the pressure to fall at section 2 in the throat.nbspthe
1. What is a parting line or parting surface? 2. What is fluidity? 3. What type of shape modifications or allowances are generally incorporated into a casting pattern?
Find the shaft ID needed to obtain a maximum deflection at the center of 3 mm if the shaft OD is 22 cm. Assume the shaft to be the same length between supports as the length of the paper roll.
the material hoist and the load have a total mass of 900 kg and the counterweight c has a mass of 150 kg. at a given
Compute the x-and y-components of the force acting on the pinB connecting the two members of the machine subjected to the 200-N load.
two previously undeformed cylindrical specimens of an alloy are to be strain hardened by reducing their cross-sectional
determine the optimal pressures, temperatures, and fraction of steam extracted to maximize thermal efficiency.
a rectangular intake air duct is 36 in. wide and 24 in. high. it runs for over 300 ft inside a warehouse and is at 50 f
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