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An open gas turbine is equipped with a regenerator. The compressor is 87% efficient with air entering the compressor at 290K and 100kPa. The pressure ratio is 8. The maximum allowable temperature entering the turbine is 1400K. The turbine exhausts to the regenerator, with an effectiveness of 60% at 100kPa. The isentropic efficiency of the turbine is 90%. Using variable specific heats, Determine:a. The fuel/air ratiob. The temperature entering the combustion chamberc. The thermal efficiency of the cycled. The temperature of the products of combustion leaving the regeneratore. The thermal efficiency if the regenerator had not been includedAssume a fuel with a heating value of 43,000kJ/kg and the combustion products are similar to those of 400% theoretical air.
Draw the T-s diagram (hint: it would help to begin with a schematic of the cycle) and.
Determine the velocity ratios that can be achieved by the gear box in terms of number of teeth in the sun wheel and determine which component (out of the sun wheel, planet carrier and annular wheel) has to be used as the input shaft to get the req..
A 10 kW electric heater is used to heat 2 kg of air contained in an insulated rigid tank from 400 kPa and 50 °C to 200 °C. The ambient air temperature and pressure is 20 °C and 100 kPa, respectively.
The heating is to be done in a mixing tank by direct injection of the steam, all of which condenses. Determine the two inlet mass flows needed to meet the desired hot water flow rate.
Find Stall Speed (KEAS) at 1 G, 0 deg AOB and find Stall Speed (KEAS), level flight 70 deg AOB (2.9 G)
Plot the lift and drag forces exerted on an airfoil as a function of velocity. Use velocity values going from 0 to 45 m/s on a log-linear plot (log-scale on the y axis).
Komodo dragons are the largest lizards known to man. A 250-pound dragon can eat enough food to increase it body weight by 1/2. Which number sentence could be used to find w, the weight of a k0modo dragon after increasing it body weight by 1/2?
A 5v belt drive system operates an input speed of 1250 RPM at the small sheave. The driving sheave has a pitch diameter of 6.000 in, and the driven sheave has a pitch diameter of 19.000 in. If an optimum center distance of 47 in is specified.
the refrigerant is now heated at constant pressure until its temperature rises to 333k. calculate the work done during this process.
a hot dog can be considered to be a cylinder 12 cm long and 2 cm in diameter whose properties are rho 980 kgm3 cp 3.9
calculate the mass of mixture produced at the mixing stage, the mass jam produced from the kettle and the mass od water evaporated from the kettle.
If the critical resolved shear stress is 10 MPa, what is the yield strength?
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