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An experimental investigation of the phenomena produced by the highly turbulent flow of water past a series of sharp obstacles

Citation

Folsom, Richard Gilman (1932) An experimental investigation of the phenomena produced by the highly turbulent flow of water past a series of sharp obstacles. Dissertation (Ph.D.), California Institute of Technology. http://resolver.caltech.edu/CaltechETD:etd-06042004-104603

Abstract

A knowledge of the resistance to flow of a body placed in a stream of fluid is necessary for many problems in hydraulics, aeronautics, and ventilation. A large amount of experimental and theoretical effort has been expended investigating the drag characteristics of single bodies and small groups of similar bodies. Only a small amount of incomplete data is available regarding the performance of a long series of similar obstacles. This latter material was obtained for air flowing past supporting timber sets in mines. Since the dimensions of the mine shafts varied at different sections, the results of the experiments merely indicated the possibilities of obtaining different pressure losses depending on the size, shape, and spacing of the timber sets. Therefore, more data are needed regarding the drag characteristics of long series of obstacles.

Item Type:Thesis (Dissertation (Ph.D.))
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Aeronautics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Von Kármán, Theodore
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1932
Record Number:CaltechETD:etd-06042004-104603
Persistent URL:http://resolver.caltech.edu/CaltechETD:etd-06042004-104603
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2435
Collection:CaltechTHESIS
Deposited By: Imported from ETD-db
Deposited On:04 Jun 2004
Last Modified:26 Dec 2012 02:51

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