Intakes and Outlets for Low-Head Hydropower

by Clifford A. Pugh, (A.M.ASCE), Hydr. Engr.; Dept. of the Interior, Water and Power Resources Service, Engrg. and Research Center, Denver, Colo.,

Serial Information: Journal of the Hydraulics Division, 1981, Vol. 107, Issue 9, Pg. 1029-1045

Document Type: Journal Paper

Discussion: Blaisdell Fred (See full record)
Closure: (See full record)

Abstract: A state-of-the-art review on standardization in low-head hydroelectric development is presented. In addition, the current flow passage design practices are summarized. Several package units are available in the range from 100 hp to 6,700 hp (75 kW to 5,000 kW). These predesigned units reduce equipment costs through standardized manfacturing techniques. Several types of package units are considered. Manufacturer's standard flow passage dimensions are given for bulb and rim-generator turbines. These standard dimensions can be used for initial layout of a low-head hydroelectric development. Standard flow passage designs are feasible for similar sites; however, structural and geological considerations may cause design variations when site conditions vary. Simplified intake and draft tube designs may lead to less costly structures.

Subject Headings: Head (fluid mechanics) | Hydro power | Turbines | Geology | Tubes (structure) | Water intakes |

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