Journal ArticleDOI
A Vortex Model of the Darrieus Turbine: An Analytical and Experimental Study
TLDR
A preliminary aerodynamic performance prediction model has been constructed for the Darrieus turbine using a vortex lattice method of analysis and a series of experiments were conducted for the express purpose of validating the analytical model.Abstract:
A preliminary aerodynamic performance prediction model has been constructed for the Darrieus turbine using a vortex lattice method of analysis. A series of experiments were conducted for the express purpose of validating the analytical model. These experiments were conducted on a series of two dimensional rotor configurations which were towed in a large tank of water. The use of water as a working fluid was intended to facilitate both flow visualization and the ability to measure aerodynamic blade forces while allowing operation at sufficiently high Reynolds numbers. The primary purpose of this research was to allow reasonable predictions of aerodynamic blade forces and moments to be made.read more
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Journal ArticleDOI
A dynamic stall model for analysis of cross-flow turbines using discrete vortex methods
TL;DR: A novel dynamic stall model with flow curvature correction is presented, which extends Beddoes-Leishman dynamic stall theory and enables parametric study of turbine configurations and therefore makes the model useful for system-level turbine optimization.
Dissertation
Combined experimental testing and numerical modelling of a novel vertical axis tidal turbine
TL;DR: In this article, the authors present a Table of Table of contents for the paper "Acknowledgements and acknowledgements of the authors of this paper: https://www.saliency.org.
Proceedings ArticleDOI
Performance Predictions of a Circulation Controlled-Vertical Axis Wind Turbine With Solidity Control
TL;DR: In this article, a circulation controlled vertical axis wind turbine (CC-VAWT) is proposed to operate at higher overall capture efficiencies than a conventional VAWT, and preliminary performance predictions indicate that at a greater range of rotor solidities, the CC-VA WT can have overall performance levels that exceed a conventional VAWT.
ReportDOI
A 3-D Vortex Code for Parachute Flow Predictions: VIPAR Version 1.0
TL;DR: A 3-D fluid mechanics code for predicting flow past bluff bodies whose surfaces can be assumed to be made up of shell elements that are simply connected that can be used to produce a large class of rigid body motions.
Journal ArticleDOI
Screening analysis and unconstrained optimization of a small-scale vertical axis wind turbine
Pedro Francisco Silva Trentin,Pedro Henrique Barsanaor de Barros Martinez,Gabriel Bertacco dos Santos,Elóy Esteves Gasparin,Leandro Oliveira Salviano +4 more
TL;DR: In this article, the authors combined computational fluid dynamics (CFD) with an optimization based on response surface (RS) methodologies to find an optimal design for a small-scale NACA 0021 Darrieus vertical axis wind turbine (VAWT) operating at a tip speed ratio of 2.63.