Results 11 to 20 of about 8,361,162 (295)
Propulsive performance of two- and three-dimensional flapping flexible plates [PDF]
Theoretical and Applied Mechanics Letters, 2015 The propulsive performance of two- and three-dimensional (2D and 3D) flapping flexible plates in a fluid at rest is investigated by a finite element method for the plate motion and an immersed boundary-lattice Boltzmann method for the fluid flow.
Chao Tang, Xiyun Lu
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Influence of a Deflectable Leading-Edge on a Flapping Airfoil
Aerospace, 2023 Flapping wing dynamics are of great interest in many research areas, such as bioinspired systems and aircraft aeroelasticity. The findings of the present study provide significant insight into the importance of the leading-edge dynamic incidence on the ...
Emanuel A. R. Camacho +2 more
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AIP Advances, 2022 The propulsive wing is a new concept wing of automatic propulsion with high lift coefficients and has great application value in plant protection and forest fire control. The propulsive wing wake is a reverse Bénard–von Kármán (RBvK) vortex street, which
Jiaxin Lu +3 more
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Study on effect of geometry on performance of pulse detonation rocket engines
Xibei Gongye Daxue Xuebao, 2021 In order to investigate the effect of the geometry on the performance of pulse detonation rocket engines under valveless self-adaptive working mode, the multi-cycle experiment was carried out on the pulse detonation rocket engines with different mixing ...
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Acoustic and propulsion performance facility [PDF]
The Journal of the Acoustical Society of America, 1974 A unique facility has been developed at the Lockheed-Georgia Company to evaluate, simultaneously, acoustic and propulsion performance characteristics of lift augmentation systems of the type considered for V/STOL aircraft. The facility is ideally suited for concept parametric and systematic noise-reduction investigations where the relationship between ...
G. Swift, L. G. Smith
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Aero-propulsive coupling performance and design of distributed propulsion wing
Chinese Journal of AeronauticsKelei Wang
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Systematic study on propulsive performance of tandem hydrofoils for a wave glider [PDF]
, 2019 This paper presents the propulsive performance optimization of tandem hydrofoils equipped in a wave glider in head sea conditions with the aid of computational fluid dynamic (CFD) method by using a commercial CFD code, STAR-CCM+.
Shi, Weichao +2 more
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Comparison of Aero-Propulsive Performance Predictions for Distributed Propulsion Configurations [PDF]
55th AIAA Aerospace Sciences Meeting, 2017 NASA's X-57 "Maxwell" flight demonstrator incorporates distributed electric propulsion technologies in a design that will achieve a significant reduction in energy used in cruise flight. A substantial portion of these energy savings come from beneficial aerodynamic-propulsion interaction.
Nicholas K. Borer +7 more
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Prediction of Propulsion Kinematics and Performance in Wheelchair Rugby
Frontiers in Sports and Active Living, 2022 Prediction of propulsion kinematics and performance in wheelchair sports has the potential to improve capabilities of individual wheelchair prescription while minimizing testing requirements. While propulsion predictions have been developed for daily propulsion, these have not been extended for maximal effort in wheelchair sports.
David S. Haydon +8 more
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Propulsive performance of oscillating plates with time-periodic flexibility [PDF]
, 2023 We use small-amplitude inviscid theory to study the swimming performance of a flexible flapping plate with time-varying flexibility. The stiffness of the plate oscillates at twice the frequency of the kinematics in order to maintain a symmetric motion ...
Yudin, David +2 more
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