Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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In 400 m depth water, a 17 sec period wave has a wave angle of ? = 60 degrees and a wave height of 2.3 m.
What is the angle ? of the wave in 6 m depth water, in degrees?
If the average height in a wave record is 3.5 m and the average period is 6.9 s, how many waves would exceed 4 m height in a wave record that is 30 min long?
An offshore platform is built to withstand ocean wave forces.(a) The annual maximum wave height of the ocean waves (above mean sea level) is a random variable with a Gaussian distribution having a mean height of 4.0 m and a c.o.v. of 0.80. What is the probability that the wave height will exceed 6 m in a given year?(b) If the platform were to be designed for a wave height (above mean sea level) such that it will not be exceeded by ocean waves over a period of 3 years with a probability of 80%, what should be the platform height above the mean sea level? Wave height exceedances between years are statistically independent.
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