Results 21 to 30 of about 511 (182)
Aeroelastic Stability of Labyrinth Seal with Different Structure Parameters
MATEC Web of Conferences, 2018 Numerical analysis of turbomachinery based on energy method is used to predict the aeroelastic stability of the straight-through labyrinth seal by solving aerodynamic work and damping.
Nengmao Wang, Yanrong Wang
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Научный вестник МГТУ ГА, 2018 One of the important problems of the designing of maneuverable unmanned aerial vehicles (UAV) is to ensure aeroelastic stability with automatic control system (ACS).
V. N. Akimov +3 more
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A Parametric Study on the Aeroelasticity of Flared Hinge Folding Wingtips
Aerospace, 2021 This paper presents a parametric study on the aeroelasticity of cantilever wings equipped with Flared Hinge Folding Wingtips (FHFWTs). The finite element method is utilized to develop a computational, low-fidelity aeroelastic model. The wing structure is
Rafic M. Ajaj +3 more
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Flutter analysis of tapered composite fins: Analysis and experiment [PDF]
FME Transactions, 2022 In the present work, the aeroelastic stability of tapered composite plates is investigated. Existing flutter models, based on the typical section approach, are reviewed for quasi-steady and unsteady low Mach number axial flows and modified for the thin ...
Dinulović Mirko +3 more
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Linearization and Analytical Sensitivity of Unsteady Vortex-Lattice Aerodynamics
气体物理, 2023 The unsteady vortex-lattice method (UVLM) provides a high-efficient, medium-fidelity way to capture large deformations and free wake effects of flexible wings. It has been favored in research on the stability analysis of flexible wings. It is possible to
Jin-chi CHEN, Yan-xin HUANG
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The Use of Gramian Matrices for Aeroelastic Stability Analysis
Mathematical Problems in Engineering, 2013 Most of the established procedures for analysis of aeroelastic flutter in the development of aircraft are based on frequency domain methods. Proposing new methodologies in this field is always a challenge, because the new methods need to be validated by many experimental procedures.
Douglas Domingues Bueno +3 more
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International Journal of Turbomachinery, Propulsion and Power, 2021 This study investigates the aerodynamic and aeroelastic characteristics of a transonic axial compressor, focusing on blade count reduced rotor behavior.
Daniel Franke +5 more
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High-Fidelity Fin–Actuator System Modeling and Aeroelastic Analysis Considering Friction Effect
Applied Sciences, 2021 Both the dynamic characteristics and structural nonlinearities of an actuator will affect the flutter boundary of a fin–actuator system. The actuator models used in past research are not universal, the accuracy is difficult to guarantee, and the ...
Jin Lu, Zhigang Wu, Chao Yang
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Parametric study on the aeroelastic stability of rotor seals
Journal of the Global Power and Propulsion Society, 2019 Labyrinth seals are widely used in rotating machinery and can be prone to aeroelastic instabilities. The rapid development of computational fluid dynamics now provides a high-fidelity approach for predicting the aeroelastic behavior of labyrinth seals in three dimension and exhibits great potential within industrial application, especially during the ...
Zhuang, Qingyuan +3 more
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Shock and Vibration, 2016 VFAs (very flexible aircraft) have begun to attract significant attention because of their good flight performances and significant application potentials; however, they also bring some challenges to researchers due to their unusual lightweight designs ...
Changchuan Xie +3 more
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