374 ENVIRONMENTAL ENGINEEWNG
18.16 The national average frequency of each of the Pasquill stability classes is:
ClassA: 1.1%
Class B: 6.8%
Class C: 11.4%
Class D: 47.2%
Class E: 12.1%
Class F/G 21.4%
a. What is the minimum wind speed consistent with each of the stability classes?b. Select a minimum wind speed and construct isopleths for the power plant in
Problem 18.14. You will need to use a spreadsheet program for this problem.Why?