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Andry Sedelnikov, Evgenii Kurkin, Jose Gabriel Quijada-Pioquinto, Oleg Lukyanov, Dmitrii Nazarov, Vladislava Chertykovtseva, Ekaterina Kurkina and Van Hung Hoang
This paper describes the development of a methodology for air propeller optimization using Bezier curves to describe blade geometry. The proposed approach allows for more flexibility in setting the propeller shape, for example, using a variable airfoil o...
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Salvatore Ameduri, Monica Ciminello, Antonio Concilio, Ignazio Dimino, Bernardino Galasso, Mariano Guida, Giovanni Bruno and Marco Fabio Miceli
This work can find application in the field of the mitigation of the environmental impact of rotorcraft since it focuses on a system to reduce power consumption and, thus, pollution at specific flight regimes.
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Yiming Wang, Yun Chen, Gang Xue, Tianxu Zhang and Yanjun Liu
Combining one-dimensional parameter optimization and three-dimensional modeling optimization, a 30 kW radial inflow turbine for ocean thermal energy conversion was designed. In this paper, the effects of blade tip clearance, blade number, twist angle, an...
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Khalil Deghoum, Mohammed Taher Gherbi, Hakim S. Sultan, Adnan N. Jameel Al-Tamimi, Azher M. Abed, Oday Ibraheem Abdullah, Hamza Mechakra and Ali Boukhari
In this article, the model of a 5 kW small wind turbine blade is developed and improved. Emphasis has been placed on improving the blade?s efficiency and aerodynamics and selecting the most optimal material for the wind blade. The QBlade software was use...
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Witold Klimczyk and Adam Sieradzki
Modeling of Unmanned Aerial Vehicles (UAV) propellers in a global, multidisciplinary aeroacoustic optimization was investigated. The modeling consists of three aspects: geometry, aerodynamics, and aeroacoustics. Firstly, a parametric geometry model was e...
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Dongwen Xue, Qun Yan, Zhuohan Li and Kai Wei
In this paper, a multidisciplinary optimization design method and its verification of low-noise aircraft propellers considering aerodynamics, noise, and structural strength were carried out to further reduce the aerodynamic noise of the aircraft propelle...
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Yu-Been Lee and Jae-Sang Park
Hover performance analyses of coaxial co-rotating rotors (or stacked rotors), which can be used as lifting rotors for electric VTOL (eVTOL) aircraft, are conducted here. In this study, the rotorcraft comprehensive analysis code, CAMRAD II, is used with t...
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Jiahuan Lin, Huawei Duan, Baoming Xu, Yangwei Wang and Jun Zhang
The Froude-scaled offshore floating wind turbine model is inevitably affected by the Reynolds number effect, making the model unable to correctly reproduce the thrust performance of the reference wind turbine (RWT). To solve this problem, an Xfoil-Airfoi...
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Joon H. Ahn, Hyun J. Hwang, Sehoon Chang, Sung Nam Jung, Steffen Kalow and Ralf Keimer
This paper describes an evaluation of the structural properties of the next-generation active twist blade using X-ray computed tomography (CT) combined with digital image processing. This non-destructive testing technique avoids the costly demolition of ...
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Job Immanuel Encarnacion, Cameron Johnstone and Stephanie Ordonez-Sanchez
Existing installations of tidal-stream turbines are undertaken in energetic sites with flow speeds greater than 2 m/s. Sites with lower velocities will produce far less power and may not be as economically viable when using ?conventional? tidal turbine d...
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