Characterization of a new open jet wind tunnel to optimize and test vertical axis wind turbines

Silvana Tourn, Jordi Pallarès, Ildefonso Cuesta, Uwe Schmidt Paulsen

Research output: Contribution to journalJournal articleResearchpeer-review

297 Downloads (Pure)


Based on the increasing interest in urban environmental technologies, the study of small scale vertical axis wind turbines shows motivating challenges. In this paper, we present the characteristics and potentials of a new open jet wind tunnel. It has a nozzle exit area of 1.5 × 1.5 m2, and it can be operated with exit velocities from 3 m/s to 17 m/s. The characterization of the flow has been carried out with calibrated pitot tubes, cup anemometers, and hot wire anemometers. Two different configurations of the test area, with and without a ceiling, are considered. Measurements in the range of available exit velocities show that the cross section, where the velocity and turbulence intensities show an acceptable level of uniformity, has an area of 0.8 × 0.8 m2 and a streamwise dimension of 2 m from the nozzle exit of the tunnel. In this working section, the maximum turbulence intensity is 4%. The detailed characterization of the flow carried out indicates that the wind tunnel can be used to test small scale models of wind turbines.
Original languageEnglish
Article number033302
JournalJournal of Renewable and Sustainable Energy
Issue number3
Number of pages14
Publication statusPublished - 2017

Fingerprint Dive into the research topics of 'Characterization of a new open jet wind tunnel to optimize and test vertical axis wind turbines'. Together they form a unique fingerprint.

Cite this