Screen effects on turbine efficiency

被引：0
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作者：
Anon
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来源：
| 2000年 / Wilmington Bus Publ, Wilmington, United Kingdom卷 / 52期
关键词：
Acoustic waves - Flowmeters - Hydraulic turbines - Hydroelectric power plants;
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学科分类号：
摘要：
Acoustic scintillation flow meter (ASFM) played an important part in assessing the effect of fish diversion screens on turbine performance at a US Army Corps of Engineers' hydroelectric dam on the Columbia river. Desirable near-uniform flows into a turbine intake are disrupted when the fish diversion screens are installed. The ASFM measures the fluctuations in the acoustic signals transmitted along a path result from turbulence in the water carried along by the current.
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