Competitive Model Testing for Replacement Runners at the Wells Hydroelectric Projectby J. M. Noda, Sverdrup & Parcel &, Associates Inc, San Francisco, CA, USA,
Abstract: The Wells Hydroelectric Project, located on the Columbia River, contains ten Kaplan-type turbines. The plant has been in commercial operation since January, 1969. The runners have a long history of ailments, especially with regard to the blade-adjustment linkages and linkage pins. A study was made to determine if new runners of modern design would pay for themselves with increased efficiency. The conclusion of the study was that new runners would pay for themselves within several years. Bids were received to replace all ten runners, and two manufacturers were selected to enter into a competitive model testing program. Each model is to be tested at an independent testing laboratory, whose results will be final. The owner will then enter into a contract to replace the ten runners with the one manufacturer whose bid price, plus the evaluated model efficiencies, will be most beneficial to the owner.
Subject Headings: Model tests | Hydraulic models | Hydro power | Hydrologic models | Wells (water) | Turbines | Bids
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