Enhancement of OWC Wells turbine efficiency and performance using riblets covered blades, a numerical study

•The micrometer protrusions similar to shark skin (riblet) were added to the Well turbine blades to increase the efficiency and enhance the operating range.•Riblet covered blades cause 18.36% and 16.82% increase in the torque and efficiency respectively.•Decrease of separated boundary layer for ribl...

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Veröffentlicht in:	Energy conversion and management 2022-02, Vol.254, p.115212, Article 115212
Hauptverfasser:	Abbasi, Reza, Ketabdari, Mohammad Javad
Format:	Artikel
Sprache:	eng
Schlagworte:	Computer applications Efficiency Energy Energy conversion Flow coefficients High flow Mathematical models Numerical modelling OWC Pressure Pressure distribution Riblet Riblets Separation Sharks Structured grids (mathematics) Suction Turbine blades Turbines Water circulation Water column Wave energy Wave power Wells turbine Wells turbines
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