Numerical Study on the Effect of Non-Sinusoidal Motion on the Energy Extraction Performance of Parallel Foils [PDF]
Applied Sciences, 2019 The effect of non-sinusoidal motion which influences the energy extraction performance of foil is considered in this paper. Two oscillation motions, the combined non-sinusoidal plunging and sinusoidal pitching motion, as well as the combined non ...
Yulu Wang, Fahui Zhu, Yonghui Xie
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EnergiesThis study proposes a hybrid pitching motion for oscillating flat plates aimed at augmenting the energy extraction efficiency of an energy harvester. The proposed hybrid pitching motion, within the first half cycle, integrates a non-sinusoidal movement ...
Suleiman Saleh, Chang-Hyun Sohn
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Effects of non-sinusoidal pitching motion on the propulsion performance of an oscillating foil.
PLoS ONE, 2019 Numerical simulations have been used in this paper to study the propulsion device of a wave glider based on an oscillating hydrofoil, in which the profile of the pitching and heaving motion have been prescribed for the sake of simplicity.
Zhanfeng Qi +3 more
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Effects of Non-Sinusoidal Motion and Effective Angle of Attack on Energy Extraction Performance of a Fully-Activated Flapping Foil [PDF]
Journal of Applied Fluid Mechanics, 2021 Flapping foil energy harvesting systems are considered as highly competitive devices for conventional turbines. Several research projects have already been carried out to improve performances of such new devices. This paper is devoted to study effects of
A. Boudis +5 more
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Journal of Mechanical Engineering and Sciences, 2020 The Stirling engine is deemed to play a role in the near future of power generation. However, there is a large performance difference between the real and ideal Stirling engine.
H.M. Wong, S.Y. Goh
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Non-Parametric Kinematic Optimization of Flapping Foil Propulsion Using a Discrete Adjoint Method [PDF]
BiomimeticsOptimizing flapping-foil kinematics for underwater propulsion is challenging due to strong temporal coupling and nonlinear fluid–structure interactions. Most existing approaches rely on parameterized motion profiles, which restrict the accessible design ...
Zhaoran Yin +4 more
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Non-sinusoidal waveform effects on heat transfer performance in pulsating pipe flow
Alexandria Engineering Journal, 2016 In the present paper, an unsteady motion of fluid flow in a pulsating pipe is studied to determine the effect of non-sinusoidal waveforms on the heat transfer performance.
R. Roslan +3 more
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Development of a real‐time multi‐scenario monitoring method for respiratory motion based on capacitive sensors [PDF]
Precision Radiation OncologyPurpose This study aimed to improve the accuracy of the tumor radiotherapy dose and reduce the irradiation dose to the surrounding organs, by developing a versatile respiratory motion monitoring system with multi‐scenario applications to enhance the ...
Yongqiang Wang +5 more
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Numerical Analysis of the Effect of the Non-Sinusoidal Trajectories on the Propulsive Performance of a Bionic Hydrofoil [PDF]
Journal of Applied Fluid Mechanics, 2022 Aquatic animals usually generate the effective propulsive force via non-sinusoidally flapping their fins. Inspired by the kinematics of fish, the propulsive characteristics of a NACA012 hydrofoil is numerically studied in this paper.
F. Li, P. Yu, N. Deng, G. Li, X. Wu
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Nonsinusoidal motion effect on a self-propelled heaving foil
Xibei Gongye Daxue Xuebao, 2022 In order to explore the mechanism of bionic propulsion and bionic robots, to make up for the limitations of traditional propulsion with a uniform incoming flow, numerical methods are used to couple fluid dynamics and flapping foil motions, and a flapping-
CHEN Xiao +3 more
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