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Regenerative gas turbine power plant is shown in figure. Air enters the compressor at 1 bar, 27 degree Celsius with mass flow rate of 0.562 kg/s and is compressed to 4 bar. The isentropic efficiency of the compressor is 80%, and the regenerator effectiveness is 90%. All the power developed by the high-pressure turbine is used to run the compressor. The low-pressure turbine provides the net power output. Each turbine has an isentropic efficiency of 87% and the temperature at the inlet to the high-pressure turbine is 1200 K. Determine (a) the net power output, in kW(b) the thermal efficiency. (c) the temperature of the air at states 2, 3, 5, 6, and 7, in K.
a completely reversible refrigeration cycle removes heat at a rate of 100kw from an industrial refrigerator maintained
a turbine takes in 2 kgs neon at 27 degc and 200kpa with negligible velocity. the produced work is 75 kw and 30 kw of
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
Temperature profile given as T(y) = 20+80e-800y Determine heat transfer co-efficient at y=0, thermal conductivity, k=0.62W/mK
derive from first principles an expression for the compressive buckling load on a simply supported beam of length l and
Which materials are listed as highly susceptible to hydrogen embrittlement?
Calculate the expected evaporation rate (kg/h · m2) for a test with water and air under the foregoing conditions, using the known value of DAB for the vapor-air mixture.
Compute the force P required to slide the door at a steady speed if wheel A becomes "frozen" and does not turn in its bearing.
assuming that steam can be treated as an ideal gas what would the specific volume of steam be at 600deg f and 120 psia
Suggest an appropriate material for each of the following applications, and, if necessary, recommend corrosion prevention measures that should be taken. Justify your suggestions.
oil enters a counter flow heat exchanger at 450 k with a mass flow rate of 10 kgs and exits at 350 k. a separate stream
2 balloons filled with helium made of latex same unfilled thickness 2mm amp 3cm diameter released at sea-level.balloon
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