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A flat plate separates two supersonic air flows. The flow along the upper surface has a Mach number of 1.4 and a stagnation pressure of 55.3 psia. The flow along the lower surface has a Mach number of 3.5 and a stagnation pressure of 316psia. At the end of the plate, the flows come together and must adjust themselves. Calculate the flow field downstream of the plate, i.e. determine the Mach number, static pressure, and flow direction for each region behind the plate.
determine the compressor work input requireed to compress steam isentropically from 100 kpa to 1 mpa assuming that the
405-N rightward force is use to drag a large box across the floor with a constant velocity of 0.678 ms-1. The coefficient of friction between the box and the floor is 0.795. Determine the mass of the box.
assume that in a certain area the atmospheric lapse rate ?gamma subscript actual is equal to zero from the ground up to
r-22 enters an insulated diffuser as saturated vapor at 4c with a velocity of 300ms. the refrigerant exits the diffuser
a partivcle along a plane cirve from point a to a point b. the path length between a and b is 60 in. the speed at a is
a power plant burns 1000 kg of coal per hour to produce a net output of 500 kw of electrical power. assuming each kg of
a rigid tank contains 20 lbm of air at 20 psia and 70degf. more air is added until the pressure and temperature rise to
the uniform work platform which has a mass per unit length of 21 kgm is simply supported by cross rods a and b. the
the compression ration in an air-standard otto cycle is 8. at the begining of the compression stroke the pressure is
the cage of a mine hoist descends part of a shaft with an acceleration of 1 ms2 and the remainder of the distance with
an airplane is flying at v0130 mph and with a constant time rate of increase of speed v22fts2 when it starts to climb
Find the diameter of a pipe to convey the superheated steam flowing into the mixing process if the speed of the steam is 20m/s and also ascertain the condition of the resulting mixture.
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