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Tze How New, Zhen Wei Teo, S. Li, Z. A. Ong and Björn Nagel
Flow behavior and aerodynamic performance of a small-scale joined-wing unmanned aerial vehicle (UAV) was studied experimentally and numerically under various pitch and yaw angle combinations in subsonic flow conditions. Selected numerical results are com...
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Shokri Amzin
Combustible carbon-based energy is still prevailing as the world?s leading energy due to its high energy density. However, the oxidation of these hydrocarbons disturbs the natural carbon cycle greatly by increasing greenhouse gases. As emission legislati...
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Tianyi Shi, Gang Hu and Lianghao Zou
Galloping-based piezoelectric wind energy harvesters (WEHs) are being used to supply renewable electricity for self-powered devices. This paper investigates the performance of a galloping-based piezoelectric WEH, with different arc-plate-shaped bluff bod...
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Bo Wu, Jianting Zhou, Jingzhou Xin, Hong Zhang, Liangliang Zhang and Xianyi Yang
In the present study, multiple-fan active control wind tunnel tests are conducted to investigate the aerodynamic forces on a 5:1 rectangular cylinder in sinusoidal streamwise winds with different angles of attack (AoA). The effects of the frequency, ampl...
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Zhi Chao Ong, Keen Kuan Kong, Shin Yee Khoo, Bee Teng Chew and Yu-Hsi Huang
An alternate renewable energy source, through a piezoelectric vibration energy harvester with a bluff splitter body, could lead to higher efficiency in energy harvesting, through vortex-induced vibration at a near-resonance condition at 20 m/s high wind ...
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Ke Li, Hai Li, Shaopeng Li and Zengshun Chen
The shape of a bluff body section is of high importance to its aerostatic performance. Obtaining the aerostatic performance of a specific shape based on wind tunnel tests and CFD simulations takes a lot of time, which affects evaluation efficiency. This ...
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Arvid Åkerblom, Francesco Pignatelli and Christer Fureby
The aviation sector is facing a massive change in terms of replacing the currently used fossil jet fuels (Jet A, JP5, etc.) with non-fossil jet fuels from sustainable feedstocks. This involves several challenges and, among them, we have the fundamental i...
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Christer Fureby, Guillaume Sahut, Alessandro Ercole and Thommie Nilsson
Large Eddy Simulation (LES) has rapidly developed into a powerful computational methodology for fluid dynamic studies, between Reynolds-Averaged Navier?Stokes (RANS) and Direct Numerical Simulation (DNS) in both accuracy and cost. High-speed combustion a...
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Muhammad Usman Anwar, Niaz Bahadur Khan, Muhammad Arshad, Adnan Munir, Muhammad Nasir Bashir, Mohammed Jameel, Muhammad Faisal Rehman and Sayed M. Eldin
Fluid?structure interaction has been widely studied in the last few decades due to its wide range of applications in engineering fields. This phenomenon plays an important design role, for example, in offshore risers, high slender buildings, chimney stac...
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Mohan Zhang, Bo Yin, Dilong Guo, Zhanling Ji and Guowei Yang
One of the most common systems in engineering problems is the multi-column system in the form of an equilateral-triangular arrangement. This study used three-dimensional numerical simulations to investigate the flow around three cylinders in this arrange...
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