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Paha777 [63]
3 years ago
7

Consider weather conditions for which the prevailing wind blows past the penthouse tower on a tall building. The tower length in

the wind direction is 10 m and there are 10 window panels.a. Calculate the average convection coefficent for the 1st, 3rd, and 10th window panels when the wind speed is 5 m/s. Use a film temperature of 300K to evaluate the thermophysical properties required of the correlation. Would this be a suitable value of the film temperature for ambient air temperatures in the range of -15°C <_ T[infinity] <_ 38°C?b. For the 1st, 3rd, and 10th windows, on one graph, plot the variation of the average convection coefficients with wind speeds in the range of 5 <_ u[infinity] <_ 100 km/h. Explain the major features of each curve and their relative magnitudes.

Engineering
1 answer:
ANTONII [103]3 years ago
3 0

Answer:

Please find attached file for complete answer solution and explanation of same question.

Explanation:

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A 3-ft-diameter vertical cylindrical tank open to the atmosphere contains 1-ft-high water. The tank is now rotated about the cen
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Answer:

The angular velocity is 7.56 rad/s

the maximum water height is 2 ft

Explanation:

The z-position as a function of r is equal to

z_{s(r)} =h_{0} -\frac{w^{2}(R^{2}-2r^{2}   }{4g} (eq. 1)

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h0 = initial height = 1 ft

w = angular velocity

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Replacing and clearing w

w=\sqrt{\frac{4gh_{0} }{R^{2} } } =\sqrt{\frac{4*32.17*1}{1.5^{2} } } =7.56rad/s

if you consider the equation 1 for the free surface at the edge is equal to

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