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RISPhysical Explanation of the Hysteresis in Wells Turbines: A Critical Reconsideration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hysteretic behavior of Wells turbines is a wellrecognized phenomenon. As it appears at nondimensional frequencies orders of magnitude lower than the ones studied in rapidly pitching airfoils and wings, the cause is ...
A Comparison of Different Approaches to Estimate the Efficiency of Wells Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Wells turbines are among the most interesting power takeoff devices used in oscillating water column (OWC) systems for the conversion of ocean-wave energy into electrical energy. Several configurations have been studied ...
Discussion: “Unsteady RANS Simulations of Wells Turbine Under Transient Flow Conditions” (Hu and Li, ASME J. Offshore Mech. Arct. Eng., 140(1), p. 011901)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The work by Hu and Li (2018, “Unsteady RANS Simulations of Wells Turbine Under Transient Flow Conditions,” ASME J. Offshore Mech. Arct. Eng., 140(1), p. 011901) presents the numerical simulation of a high-solidity Wells ...
Discussion: “Unsteady RANS Simulations of Wells Turbine Under Transient Flow Conditions” (Hu and Li, ASME J. Offshore Mech. Arct. Eng., 140(1), p. 011901)
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The work by Hu and Li (2018, “Unsteady RANS Simulations of Wells Turbine Under Transient Flow Conditions,” ASME J. Offshore Mech. Arct. Eng., 140(1), p. 011901) presents the numerical simulation of a high-solidity Wells ...
A Critical Examination of the Hysteresis in Wells Turbines Using Computational Fluid Dynamics and Lumped Parameter Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hysteretic behavior of oscillating water column (OWC)-installed Wells turbines has been known for decades. The common explanation invokes the presence of unsteady aerodynamics due to the continuously varying incidence ...