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Mechanical Engineering

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International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...

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Question

Given the following measurements of mean winds and temperature from a 200-m mast in
Netherlands on a September night:

Table 1. Measurements of mean winds and temperature from a 200-m mast in Netherlands on
a September night.

Question: Solve for the roughness parameter (z_o) and friction velocity (U*)

Height(m)
Wind Speed (m/s)
Wind Direction
Air Temperature(°C)
(deg)
5
2.2
194
8.58
10
2.7
194
8.81
20
3.5
202
9.08
40
5.4
217
10.15
80
8.2
234
12.19
120
9.1
248
12.96
160
8.7
246
12.86
200
7.8
250
12.63

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