Research Article
Apr 1976
Mean Speed Profiles of Hurricane Winds
Authors: Emil Simiu, M.ASCE, V.C. Patel, and John F. NashAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 102, Issue 2
Abstract
A numerical solution of the hurricane boundary layer problem is presented in which the hurricane is modeled as a steady axisymmetric neutrally stratified flow. The results of the calculations obtained on the basis of the described model suggest that: (1) In the height range of interest to the structural designer, say up to a height of 400 m above the ground, it is permissible to use the logarithmic law to represent the mean velocity profile of hurricane winds; and (2) if the relation between wind speeds in different roughness regimes which is valid in extratropical storms is applied to hurricane winds, the speeds over built-up terrain, calculated as functions of speed over open terrain, may be underestimated by about 10% and 10%-20% in suburban and urban exposure, respectively. The corresponding mean loads are then underestimated by about 15% and 30%, respectively.
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Published In
Journal of the Engineering Mechanics Division
Volume 102 • Issue 2 • April 1976
Pages: 265 - 273
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Apr 1976
Published online: Feb 3, 2021
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Authors
Affiliations
Emil Simiu, M.ASCE
Struct. Research Engr., Center for Building Tech., National Bureau of Standards, Washington, D.C.
V.C. Patel
Assoc. Prof., Div. of Energy Engrg., Univ. of Iowa, Iowa City, Iowa
John F. Nash
Vice Pres., Sybucon, Inc., Atlanta, Ga.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.