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Write a brief (No more than a few paragraphs plus the equations themselves on a) description of the three-dimensional unsteady Navier-Stokes equations as applied to water. The description should include a brief history, the mathematical characteristics of the equations and what they may be used for, please include any references used.
A circular tube has an outside diameter of 150mm and an inside diameter of 100mm. If the allowable shearing stress is 55MPa, what is the allowable torque
In the Civil War there were numerous incidents in which the bullet fired from a Union soldier's rifle struck and fused with the bullet from a Confederate's rifle. Assume the impact scenario.
The Pomdeterra wastewater treatment plant produces thickened sludge that has a suspended solids concentration of 3.8 percent. They are investigating a filter press that will yield a solids concentration of 24 percent.
A student in the laboratory plans to exert a vacuum in the head space above a surface of water in a closed tank. She plans for the the absolute pressure in the tank to be 10,400 Pa. The temperature in the lab is 20°C.
A concrete (n=0.013) stormwater channel, 6-feet in diameter, has a bed slope of 0.01%. What is the uniform flow in cfs when the pipe is half full?
Consider a house that is heated and maintained at 20oC by a heat pump during the winter. What is the maximum COP for this pump if heat is extracted from the outdoor air at (a) 10oC, (b) -5oC, and (c) -30oC
A thin-walled circular tube has an average diameter of 100 mm and a wall thickness of 4 mm. It is subject to torque of 4 kNm and a compressive axial force of 40 kN.
a cu triaxial test with sigmac 20 psi is performed on a sand and a deviator stress of 80nbsppsi fails the specimen.
The diaphragm is ruptured and fluid fills the entire volume of the vessel. Assume that the fluid is an ideal gas. After you have determined Qsub12, Wsub12, and delta U for the process, calculate the final temperature of the gas.
A total of 500 mm of rain fell on a 75 ha watershed in a 10 hour period. Compute the average rainfall intensity and the total volume of rain that fell on the watershed.
a wheel rolls to the right with an angular velocity of 2 rad/s while slowing down at a rate of 3 rad/s^2. knowing the wheel rolls without sliding and ignoring the effect of gravity determine the location on the wheel where the net acceleration is ..
a suspension bridge cable of span 100 m and central dip 10 m is suspended from the same level at two towers. the bridge
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