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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.
a 1kg fluid is compressed reversibly according to a law pv0.25 where p is in bar and v is in m3kg. the final volume is
Calculate the service factor for a simple lawn mower driven by a two stroke engine. The lawn mower is used by a service for 8 hours per day. If the lawnmower normally operates at 1200 rpm and 2 hp what is the starting torque?
a heat engine operating on the carnot cycle uses solar energy as the source of hightemperature heat input. the solar
Plot the shear-force and bending-moment diagrams for the beam and derive equations for the shear force V and the bending moment M for any location in the beam
two streams of r-134a flow into a non-insulated diffuser. stream 1 enters at a pressure of 2 bar and 20?c state 1 with
as a cars gas tank is filled gasoline vapors in the tank are displaced and may be emitted into the atmosphere. for this
An important fluid property is the kinematic viscosity which determines the viscous, or frictional, forces acting in a flow. The kinematic viscosity of air multiplied by 10^6 is given at 350, 450, 500, 550, and 650 K as 20.92,32.39, 38.79, 45.57, and..
a copper wire of diameter 0.80 mm fails at an engineering stress 248.2 mpa. its ductility is measured as 75 reduction
A wireless accelerometer is mounted to the underside of a piston in an engine to measure the acceleration during operation. If the engine is operating at 7200 RPM, what should be the minimum natural frequency of the accelerometer in order for the err..
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
consider a steam rankine cycle with superheat. the maximum temperature and pressure are 540 c and 60 bar and the
an air standard diesel cycle has a compression ratio of 20 and the heat transferred to the working fluid per cycle is
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