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A gas turbine stage has an initial absolute pressure of 350 kPa and a temperature of 565°C with negligible initial velocity. At the mean radius, 0.36 m, conditions are as follows:
Determine the flow coefficient and stage loading factor at the mean radius and the reaction at the hub, radius 0.31 m, at the design speed of 8000 rev/min, given that stage is to have a free-vortex swirl at this speed. You may assume that losses are absent. Comment upon the results you obtain. Take Cp = 1.148 kJ/(kg °C) and γ = 1.33.
Test to determine whether there is a significant difference between mean Value Added by the Manufacturer and the mean Cost of Materials in manufacturing. Use the Manufacturing database as the sample data and let alpha be .01. Use the Manufacturin..
a 100ft cable is made using a 12-gauge 0.1055in steel wire and three strands of 10gauge .1019in copper wire. find the
consider a non-ideal vapor-compression cycle where refrigerant 134a flows at a rate of 0.05 kgs. the refrigerant enters
during a test of a metal bar it was foumd that an axial tensile force of 10000 lb resulted in an elongation of 0.023
Determine the approach used to find maximum inside diameter of the tubes in a novel combustor design for use in lean premixed gas turbine, which are intended to prevent flashback
a feedwater heater uses extracted steam p1500kpax1100 to preheat feedwater t250 celcius p2500kpa. assuming no heat
the cutting stroke of a planing machine is 500 mm and it is completed in 1 second. the planing table accelerates
Perform a full exergy accounting, in kJ, of the electricity supplied to the water heater. Model the water as incompressible with a specific heat c 5 4.18 kJ/kg ? K. Let T0 5 23°C.
The two purposes of amplification for digital systems are (i) to improve signal-to-noise ratio and (ii) to make good use of the dynamic range of the digitizer; in other words, to ensure the best resolution possible.
steam enters a turbine at 40 bars 440c and 100 ms through an pipe with a cross-sectional area of 0.050 m2. at the exit
a refrigeration remove 12 kj of heat from a body when working between 24 k and 310 k if the coefficient of performance
An ideal Ericsson engine using helium as the working fluid operates between temperature limits of 550 and 3000 R and pressure limits of 25 and 200 psia. Assuming a mass flow rate of 14 lbm/s determine
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