On the effects of the shape of the duct for ducted wind turbines

V. V. Dighe, G. de Oliveira, F. Avallone, G. J.W. van Bussel

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

Ducted Wind Turbines are characterized by a strong interaction between the duct and the rotor. In this study, the effect of the duct cross-section geometry on the flow across the rotor is investigated. The latter is modelled as an actuator disc with constant thrust coefficient. The study is carried out by means of a vortex panel code and Reynolds Averaged Navier Stokes (RANS) simulations. The vortex panel method shows that airfoil geometry with large camber leads to flow augmentation at the rotor plane. Three duct geometries are then investigated with RANS computations, showing a separation region at the trailing edge suction side of the duct that might lead to a reduction of the aerodynamic performances of the overall system.

Original languageEnglish
Title of host publicationWind Energy Symposium
PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages11
ISBN (Print)9781624105227
DOIs
Publication statusPublished - 2018
EventWind Energy Symposium, 2018 - Kissimmee, United States
Duration: 8 Jan 201812 Jan 2018

Publication series

NameWind Energy Symposium, 2018

Conference

ConferenceWind Energy Symposium, 2018
Country/TerritoryUnited States
CityKissimmee
Period8/01/1812/01/18

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