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Anglický jazyk
Sediment Erosion in Guide Vanes of Francis Turbine
Autor: Ravi Koirala
Guide vanes are stationary component in Francis turbine that performs periodic movement though a pivoted support, in response to the change in flow or load. To allow this movement, small gaps are provided at top and bottom of vanes, called clearance gap.... Viac o knihe
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O knihe
Guide vanes are stationary component in Francis turbine that performs periodic movement though a pivoted support, in response to the change in flow or load. To allow this movement, small gaps are provided at top and bottom of vanes, called clearance gap. They are internally lined with replaceable or metal claded linings called facing plates. These vanes are externally controlled through pneumatic, hydraulic or electric actuator that responds to the change. Each vane is linked to each other through linkage mechanism, such that equal angular change occurs during actuation. In presence of sediment flowing with water, these designed gaps are eroded enhancing cross flow and leakage flow. In addition to it, erosion on vane faces deteriorates life and performance of turbine.
- Vydavateľstvo: LAP LAMBERT Academic Publishing
- Rok vydania: 2017
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9783659585234
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