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In a wave energy converter with oscillating water column (OWC), an OWC due to the sea wave motion is used to drive an air column in the air chamber. An air turbine for this bidirectional airflow is used to convert the pneumatic energy into the mechanical energy. In this study, in order to achieve further improvement of the performance of a counter-rotating impulse turbine, the effect of turbine geometry...
Wells turbine has long been used as an energy converter for wave energy conversion because of its simple structure. In order to alleviate the stall problem of this turbine, the authors have proposed a Wells turbine with booster for wave energy conversion. This unique power take-off consists of the Wells turbine for main turbine and a impulse turbine for booster. In the present, the wind-tunnel tests...
In recent years, hysteretic phenomena in fluid flow systems drew attention for their great variety of industrial and engineering applications. When the high-pressure gas is exhausted to atmosphere from the nozzle exit, the expanded supersonic jet with the Mach disk is formed at a specific condition. In two-dimensional expanded supersonic jet, the hysteresis phenomenon for the reflection type of shock...
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