Plate Shape Effect on the Performance of the Vertical Axis Auto Rotation Current Turbine (VAACT)
Keyword(s):
The present paper explores experimentally the performance of two types of hinged plates which rotate about vertical axis when submitted to uniform current. A flat plate configuration and also a flapped plate (say, S shape) configuration have been investigated. The Vertical axis Auto rotation Current Turbine (VAACT) is one degree of freedom system (free to rotate in yaw direction). It is shown that a high efficiency for S shape type can be obtained of the order of 30 percent while flat blade type reaches approximately to 7 percent. Upper limit of tip speed ratio for flat blade type has been expanded approximately 0.9 whereas S shape approaches 1.3.
Keyword(s):
2012 ◽
Vol 189
◽
pp. 448-452
Keyword(s):
2020 ◽
Vol 8
(3)
◽
pp. 492
2017 ◽
Vol 8
(1)
◽
pp. 376
Keyword(s):
Keyword(s):
Keyword(s):