Model Tests for Six-Jet Vertical Pelton Turbines for Bradley Lake Hydroelectric Project

by Jaroslav J. Hron, Stone & Webster Engineering Corp, United States,
Yoshiyuki Niikura, Stone & Webster Engineering Corp, United States,

Document Type: Proceeding Paper

Part of: Waterpower '89


A model of a six-jet vertical Pelton turbine, including the spiral distributor, 50 feet of penstock, discharge chamber, and short free-surface tailrace was designed, built, and tested by Fuji Electric Co., Ltd. The objectives of the model development were to confirm the model guaranteed performance, and verify operational adequacy of the water collecting devices and tailrace depression system. This paper describes the project features and equipment selection; criteria, objectives, and scope of the model test program; capabilities, and characteristics of the test stand in Fuji's Hydraulic Laboratory in Kawasaki City, Japan; the model, its operation; and control of the main turbine parameters. The instrumentation, its calibration, methods of data collection and interpretation, applicable test codes, and the test results are discussed.

Subject Headings: Turbines | Hydro power | Hydrologic models | Project management | Lakes | Hydraulic models | Conduits | Instrumentation

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