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Economic Diameter of Steel Penstocks
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.
Economic Diameter of Steel Penstocks
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.
Economic Diameter of Steel Penstocks
Voetsch, Charles (author) / Fresen, M. H. (author)
Transactions of the American Society of Civil Engineers ; 103 ; 89-105
2021-01-01
171938-01-01 pages
Article (Journal)
Electronic Resource
Unknown
Economic diameter of steel penstocks
| Engineering Index Backfile | 1938
Economic diameter of steel penstocks
| Engineering Index Backfile | 1938
Economic diameter of steel penstocks
| Engineering Index Backfile | 1937
Economic diameter of steel penstocks
| Engineering Index Backfile | 1936