Research Article
Jan 1938
Economic Diameter of Steel Penstocks
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VIEW THE REPLYPublication: Transactions of the American Society of Civil Engineers
Volume 103, Issue 1
Abstract
Formulas are developed in this paper for determining the economic diameter of steel penstocks for hydro-electric power plants and pumping plants based on a minimum total annual cost. The formulas developed differ from those published heretofore, in that: (a) The Scobey formula for flow of water in riveted steel and analogous pipes is used; (b) Factors are introduced to take care of entrance, bend, and other hydraulic losses which vary approximately as a ratio of the velocity head; and, (c) A loss factor is introduced to take care of the effect of the load factor, and the shape of the load curve under which the power or pumping plant connected to the penstock operates.
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Published In
Transactions of the American Society of Civil Engineers
Volume 103 • Issue 1 • January 1938
Pages: 89 - 105
Copyright
© 1938 American Society of Civil Engineers.
History
Published in print: Jan 1938
Published online: Feb 10, 2021
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Authors
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Charles Voetsch, M.ASCE
Hydro-Elec. Engr., U. S. Bureau of Reclamation, Denver, Colo. Mr. Voetsch died on F ebruary 7, 1935.
M. H. Fresen, AM.ASCE
Associate Engr., _U. S. Bureau of Reclamation, Denver, Colo.
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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.
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.