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1. A streamline in 20-C water is 2 mm from a ?at plate at the leading edge. Using the parabolic velocity pro?le of Sec. 8.5.3 with U1 ¼ 1 m=s, predict how far from the plate the streamline is when x ¼ 1 m.
2. Show that the power-law form for the velocity pro?le in a turbulent ?ow is not a good approximation at the wall or at the outer edge of the boundary layer.
The block is a cube that is 300mm on each side. Assume the block is incredibly tall. At steady state, what is the velocity of the block?
You are given a sheet of steel with a modulus of rigidity is G = 80.8 Gpa, a length L = 1 m, width w = 100 mm, and thickness t = 1 mm. You are asked to design a shaft cross-section by shaping the given steel sheet. The machine that is available to yo..
consider a heat exchanger that uses hot air to heat cold water. air enters this heat exchanger at 20 psia and 200
a nozzle is attached to a horizontal pipe and discharges water into the atmosphere as shown in the figure. the inflow
Liposomes are promising molecules in gene transfer technology because of their similarity to cell membranes and their charge interactions with negatively charged DNA. Estimate the charge on the outside surface of a liposome of diameter 1 um. Suppose ..
the following linear failure envelopes for a rock mass are givenintact rockfriction angle 350cohesion 900 psitension
a rigid tank which has a volume of 0.1 m3 contains 1kg of water at 100 celcius. a 3kwatt heater is energized until the
you decide to do a demonstration on a rooftop that requires water. there isnt a handy faucet so you put a barrel of
Liquid water at 25.0?C and 10.0 bar passes through a valve. The pressure drops to 1.00 bar. Calculate the temperature of the water in °C to three significant figures. You can assume that the water is an incompressible liquid with a density of 1000. k..
An isolated system consists of a closed copper vessel of mass 0.1 kg, containing 1 kg of liquid water, each initially at 5°C, immersed in 20 kg of liquid water, initially at 20°C. The system is allowed to come to equilibrium. Determine the final temp..
the rigid bar ac is supported by a pin at f and two identical links bd and ce. the length between point a and b is 22
A specimen of Aluminum having a rectangular cross section 10 mm x 12.7 mm is pulled in tension with 25,500 N forces, producing only elastic deformation. Calculate the resulting strain.
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