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Gas leaves an untwisted turbine nozzle at an angle α to the axial direction and in radial equilibrium. Show that the variation in axial velocity from root to tip, assuming total pressure is constant, is given by
Determine the axial velocity at a radius of 0.6 m when the axial velocity is 100 m/s at a radius of 0.3 m. The outlet angle α is 45°.
a liquid-vapor mixture of h2o at 2 mpa is heated in a constant volume process. the final state is the critical point. a
What load is needed to generate a transverse center displacement of 5 mm for an aluminium beam of 15 cm length, 2 cm width and 2 mm thickness (in three-point bending). Determine what strain you expect at the bottom surface for this deflection for Al ..
a gas contained within a piston-cylinder assembly undergoes three processes in series process 1-2 constant volume from
a scale is constructed using the 10-kg mass the 2-kg pan p and the pulley and cord arrangement. cord bca is 2m long. if
the structure of a house is such that it loses heat at a rate of 4825 kjh per degree celcius difference between the
a 10 lb uniform thin bar bc of length l10 ft is pinned at b to the edge of a 18 lb uniform disk of radius r 3.2 ft.
Calculate the overall heat transfer coefficient (U) for the assumed tube diameter, fin shape and material. Use correlations to estimate hot-and cold-side convection coefficients, conduction resistance, contact resistance (if any), and fouling resi..
A 75 kg metal block initially at 80 degrees Celsius is dropped into a well insulated tank that contains 50 kg of water at 1 atm pressure and 20 degrees Celsius. The metal block and water are allowed to reach thermal equilibrium at a temperature of 35..
The planetary gear train shown below is made up of two planetary stages. The input, shaft 1, drives the arms of both stages at 300 RPM CCW. Determine the speed and direction of the output (shaft 2)
A reversible heat engine operates between 875 K and 310 K and drives a reversible refrigerator operating between 310 K and 225 K. the engine receives 2000 kJ of heat and the net work output from the arrangement equals 350 kJ. make calculations for..
a 2-m3 rigid tank initially contains air at 100 kpa and 22 degrees c. the tank is connected to a supply line through a
parallel plates form a solar collector that covers a roof with a 4m long plates and 1m between plates. the plates are
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