Sharifah Nur Nadiah Syed Yassin (2022) Aerodynamic study of symmetrical and asymmetrical airfoil in varying angle of attack airflows. Universiti Malaysia Sabah. (Unpublished)
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Abstract
An aerodynamic study of symmetrical and asymmetrical airfoil in varying angle of attack of airflows was conducted. In the last decade, wind turbine technology has advanced quickly. Wind power is a well-proven and cost-effective technology that is expected to be the primary means by which industry reacts to the government's aims, resulting in it becoming a significant source of electricity in the coming years. The focused in this study are to carry out a selection process of high lift-to-drag ratio airfoils based on the NACA 4 series using the QBlade software, to develop an experimental method of using a particle image velocimetry (PIV) system integrated with various airfoils, and to investigate the aerodynamic characteristics of symmetrical and asymmetrical airfoil blades in orthogonal fluid flow in the PIV system. The coefficient of drag, CD and coefficient of lift, CL values have an impact on airfoil properties CL. The value of CD determines the amount of airfoil friction with the air, whereas the value of CL impacts the amount of lifting force produced by the airfoil. To obtain the best angle of attack, AOA, the design output requires the most ideal CD and CL values. This paper also discusses the software and its modules in theory and application at their current condition. QBlade can now be used as a complete wind turbine design tool because of the new capability. QBlade is updated, validated, and enhanced with new features on a regular basis. The viscous-inviscid coupled panel method algorithm XFOIL is integrated within the graphical user interface of QBlade for the construction of custom airfoils and the computation of airfoil lift-and drag coefficient polars.
| Item Type: | Academic Exercise |
|---|---|
| Keyword: | An aerodynamic , Airfoil , Airflows |
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL1-4050 Motor vehicles. Aeronautics. Astronautics > TL500-777 Aeronautics. Aeronautical engineering |
| Department: | FACULTY > Faculty of Engineering |
| Depositing User: | DG MASNIAH AHMAD - |
| Date Deposited: | 11 Oct 2022 11:48 |
| Last Modified: | 11 Oct 2022 11:48 |
| URI: | https://eprints.ums.edu.my/id/eprint/34280 |
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