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1.The Navier Stokes equations in the z-direction. Define what each term in the equation means. Overall, what quantity is being conserved? Under what conditions might you be justified in assuming that non-linear terms are not important? Finally, if non-linear terms and viscous stress is not important, what does the equation reduce to in steady flow?
2.A plane flow field is developed by addition of a free vortex and a uniform stream in the positive x direction. If the vortex is located a distance a from the origin, find the pressure variation in the flow field. Express answer in terms of the uniform velocity V, the strength of the vortex ?, and the pressure po far from the origin.
The depth to water in A is 210 ft, in B is300 ft, and C is 230 ft. Determine the direction of ground water flow through the triangle ABC and calculate the hydraulic gradient. If the aquifer hydraulic conductivity is 30 ft/day, estimate how far gro..
1. the u.s. has produced the following quantity of gauges and potatoes with the price of each listed in dollar
Cylindrical, steel bar stock (density = 7833 kg/m3, Cp = 0.465 kJ/(kg C)) of 10-cm diameter is heat-treated by drawing it at a velocity of 3 m/min through a 6-m-long furnace maintained at 900C.
The aerodynamic drag of a new sports car is to be predicted at a speed of 50mph at an air temperature of 25 degrees Celcius. Automotive engineers build a one-fifth scale model of the car to test in a wind tunnel.
A concrete mix with a 3-inch slump, w/c ratio of 0.50, and sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. Compute the required weight of coarse aggregate per cubic yard.
A vehicle of mass 2000 kg coasts along a horizontal track against a drag force Fd (in N) on the automobile given by the following Fd=kV^2 where k= 1.25 kg/m and V is the speed in m/s
The saturated unit weight (sat) of the sand is 20.0 kN/m3 and the anticipated depth to water in the well during pumping is 20 m below ground surface.
At what coupon interest rate will a $20,000 bond yield a nominal 12% interest compounded quarterly if the purchaser pays $18,000 and the bond becomes due in 20 years
The directional hourly traffic flow is 2000 vehicles with 5% large trucks and buses (no recreational vehicles). The total ramp density for this freeway segment is 2.33 ramps per mile. If peak hour factor is .90
Two rectangular clarifiers(sedimentation basins), each 30 ft long, 15 ft wide, and 10ft deep, settle a combinedtotal of 0.40 mgd following alum coagulation. The effluent channelshave a total weir length of 60ft in each basin
compose a list here of the geological terms that you encounter in this reading that you could not define and explain in a test situation.
During an engine test on the ground, a propeller thrust T = 4000 N is generated on the 1500 kg airplane with mass center at G. The main wheels at B are locked and do not skid; the small tail wheel at A has no brake.
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