Performance analysis and comparison between cross-axis wind turbine and vertical axis wind turbine

  • 趙 天昕

Student thesis: Master's Thesis


Wind energy has been considered as one of the primary renewable energy sources globally In urban areas due to the irregular arrangement of buildings small scale wind turbine plays an important roles for household energy grid In this study a newly designed small scale wind turbine namely cross-axis wind turbine (CAWT) was examined experimentally on the power performance in a low speed open-loop circuit wind tunnel at Reynolds numbers of Re=42900 57100 and 71400 The results were compared to a traditional straight-bladed vertical axis wind turbine (VAWT) The performance analyses are evaluated in terms of static performance dynamic performance and blade force measurement The results of static and dynamic performances indicate that CAWT has not only better starting characteristics but also higher power coefficients over VAWT The tangential forces measurement on the horizontal blade of CAWT proves its superior power performance compared to VAWT
Date of Award2016 Nov 17
Original languageEnglish
SupervisorWei-Cheng Wang (Supervisor)

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