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Air is entering a small 2D laminar flow wind tunnel at a speed of u1 = 10 m/s (L = 1 m, h = 0.2 m). Calculate the boundary-layer thickness at the exit of the wind tunnel at section 2. Also calculate the exit velocity u2.
consider oxygen at 100 bar and specific volume of 0.08.a calculate the temperature t using the van der waals equation
Freshwater is impounded to a height of 11 ft behind a dam as shown. Determine the magnitude and location of the resiltant force on the 4-ft by 4-ft gate.
Assume three materials make up the mixed feed: paper, ferrous, and glass. Table P6-25 provides the feed tonnages and the splits (a split is defined as the fraction continuing on, or rejected by the unit operation):
Discuss reasons for this malfunction and suggest a way to correct the situation.
Obtain a general relation for the temperature distribution inside the shell under steady conditions, and determine the rate of heat loss from the container.
a spring loaded device imparts an initial vertical velocity of 50 ms to a 0.15 kg ball. the drag force on the ball is
an axially loaded brass strut hinged at both ends is 1m long and is of a square cross-section of sides 20mm. what
Bypass air exits at 600 m/s while combustion air exits at 1000 m/s. What is the thrust in kN of this engine?
engineers are trying to create artificial gravity in a ring-shaped space station by spinning it like a centrifuge. the
Nitrogen in a piston-cylinder assembly undergoes a polytropic expansion process. Initially, nitrogen is at 125 C and 144 kPa. Then it is expanded to a state of 102 kPa and 90 C. determine the heat transfer and work for the process considering no chan..
A copper (Cu) weight is placed on top of a 0.50-kg block of wood (density = 0.60 X 103 kg/m3) floating in water, as mass of the copper if the top of the wood block is exactly at the water's surface?
write the equation of motion for a pendulum consisting of a thin 4kg stick of length l suspended from a pivot. how long
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