Flap/Lag Stall Flutter Control of Large-Scale Wind Turbine Blade Based on Robust H2 Controller by Tingrui Liu, Wei Xu

“…The aeroelastic partial differential equations are reduced by Galerkin method, with the aerodynamic forces decomposed by strip theory. Robust H2 optimal controller is developed to enhance the vibrational behavior and dynamic response to aerodynamic excitation under extreme wind conditions and stabilize structures that might be damaged in the absence of control. …”
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Analysis on the Low Speed Performance of an Inward-Turning Multiduct Inlet for Turbine-Based Combined Cycle Engines by Chengxiang Zhu, Haifeng Zhang, Zhancang Hu, Yancheng You

“…The multiduct inlet for turbine-based combined cycle engines receives a lot of attention on its aerodynamic performance. Aside of the most studied mode of transition processes, another significant severe issue regarding the aerodynamic performance of the turbine duct (T-duct) at ground states has rarely been investigated which indeed directly determines the operability and reality of similar engine systems; this issue will be addressed in the present work. …”
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Study on the Dynamic Magnification Effect of Structure Stiffness Based on the Gust Coupling Analysis of Civil Aircraft by Yingying Liu, Kaiping Yu, Jinze Li

“…The coupling resonant effects of the inertial force, the aerodynamic force, and the gust-induced aerodynamic force at different frequencies are examined. …”
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Designing Backstepping Control System for Hypersonic Vehicle Based on Feedback Linearization by Jianli Wei, Huan Chen

“…Therefore, there is a strong cross-coupling effect among its aerodynamic force, thrust, structure, and control. The nonlinearity and uncertainty of the model cause difficulties in control system design. …”
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Investigation on Influences of  Two Discrete Methods on Galloping Characteristics of Iced Quad Bundle Conductors by Xiaohui Liu, Guangyun Min, Chuan Wu, Mengqi Cai

“…Then, the aerodynamic coefficients are fitted by Taylor rules and the aerodynamic coefficients of wind angle of attack which is 55° are used in the analysis of galloping characteristics of the iced quad conductor. …”
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TOPOLOGY OPTIMIZATION OF MORPHING WING TRAILING EDGE BASED ON MULTI-POINTS DRIVING COMPLIANT MECHANISM by KOU Xin, GE WenJie

“…The wing is designed by specific flight conditions,and its aerodynamic efficiency under various conditions needs to be optimized.This paper studies the trailing edge of the morphing wing to make it meet the aerodynamic optimal deformation range under the premise of continuous smooth deformation.By using the method of topology optimization with variable density method,the minimum square error between the actual displacement of the airfoil and the target displacement is taken as the optimization objective function,and the position of the trailing edge multi-point driving load is optimized by genetic algorithm to establish the compliant trailing edge comprehensive optimization model.Using the moving asymptotic method to solve.Finally,the result was simulated by ANSYS,the effectiveness of trailing edge deformation is discussed and verified.…”
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Computational assessment of winglet-induced variations in pressure coefficients on NACA 4418 aircraft wings by Md. Abdullah, Mohammad Zoynal Abedin

“…This study presents a computational analysis of the effects of winglets on the aerodynamic performance of NACA 4418 aircraft wings, focusing on the variations in pressure coefficients. …”
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Influence of Surface Roughness on a Highly Loaded Axial Compressor Stage Performance at Low Reynolds Number by Hongzhi Cheng, Mingyang Wang, Chuangxin Zhou, Shengfeng Zhao, Xingen Lu, Junqiang Zhu

“…In the present study, a numerical simulation was conducted to investigate the influence of surface roughness on the aerodynamic performance of a 1.5-stage highly loaded axial compressor at low Reynolds number. …”
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Experimental Investigation of a Wing-in-Ground Effect Craft by M. Mobassher Tofa, Adi Maimun, Yasser M. Ahmed, Saeed Jamei, Agoes Priyanto, Rahimuddin

“…The aerodynamic characteristics of the wing-in-ground effect (WIG) craft model that has a noble configuration of a compound wing was experimentally investigated and Universiti Teknologi Malaysia (UTM) wind tunnel with and without endplates. …”
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Numerical Investigation of Flapwise-Torsional Vibration Model of a Smart Section Blade with Microtab by Nailu Li, Mark J. Balas, Hua Yang, Wei Jiang, Kaman T. Magar

“…Equations of the model are described by the nondimensional flapwise and torsional vibration modes coupled with the aerodynamic model based on the Theodorsen theory and aerodynamic effects of the microtab based on the wind tunnel experimental data. …”
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Influence of Test Protocol on Filtration Efficiency of Medical Face Mask Material by Aurélie Joubert, Ala Bouhanguel, Yves Andrès, Laurence Le Coq

“…The tests with MS2 virus demonstrated a good fit with NaCl filtration efficiency expressed in aerodynamic diameters over a range between 0.65 and > 7 µm, for charged and discharged medical face mask materials.…”
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Design of Variable Amplitude Flapping Wing Aircraft and Realization of Multiple Flight Modes by Yueyang Hou, Yu Hou, Wei Sun, Kun Wang, Qiang Wang

“…The kinematics model of flapping wing mechanism with variable amplitude is established to analyze the kinematic characteristics of flapping wing mechanism based on the joint simulation of Adams and Matlab. The aerodynamic model of flapping wing with multiple flight modes is established to analyze the aerodynamic characteristics of flapping wing mechanism with variable amplitude by XFLR5 software. …”
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NUMERICAL SIMULATION OF FLUTTER CHARACTERISTICS IN TRANSONIC FAN BASED ON HARMONIC BALANCE METHOD by ZHANG Xiang, HUANG XiuQuan, ZHANG HengMing, CHEN YuChun

“…Comprehensive effect aerodynamic work in the downstream of shock wave and near leading edge of blade tip determines aerodynamic stability of blades under different working points.…”
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Design and Coupling Dynamics Research of a Single-drive Multi-mode Flapping-wing Aircraft by Jiang Houqing, Hou Yu, Guo Yongxing

“…The kinematic model of the flapping-wing aircraft is established, and the driving mechanism is analyzed by Matlab and Adams co-simulation, and the kinematic characteristics of the flapping-wing aircraft is obtained by comparison. The aerodynamic model of a single-drive multi-mode flapping-wing aircraft is established. …”
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Control of Limit Cycle Oscillation in a Three Degrees of Freedom Airfoil Section Using Fuzzy Takagi-Sugeno Modeling by Douglas Domingues Bueno, Luiz Carlos Sandoval Góes, Paulo José Paupitz Gonçalves

“…The proposed methodology is developed for the three degrees of freedom typical section airfoil considering aerodynamic forces from Theodorsen’s theory. The mathematical model is written in the state space representation using rational function approximation to write the aerodynamic forces in time domain. …”
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Huntley Complement while Determining Area of Rational Pressurized Ventilation Usage by Ya. A. Gusentsova

“…An optimum utilization criterion for pressurized  ventilation and air heating systems of public and office buildings has been obtained on the basis of generalized mathematical model of thermal and aerodynamic characteristics of air heating and ventilation systems.…”
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Numerical Simulation of Coupling Thermal and Mechanical Influence on Submerged Nozzle in Solid Rocket Motor by Jian-Liang Gong

“…Both the aerodynamic parameters and heat coefficients were obtained through analyzing the flow field. …”
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Analytical Study on Deformation and Structural Safety of Parafoil by Longfang Wang, Weiliang He

“…The chordwise model of inflated parafoil was established in consideration of elastic force and aerodynamic force. The results show that the cell is slenderer; the canopy surface is smoother; the aerodynamic load has a light effect on the shrinkage and bump ratios; when the cell width is constant, the critical dynamic pressure reduces k times with the k times increasing in parafoil area; and the design parameters of the first-row line OA have significant effects on the structural stiffness of inflated parafoil. …”
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Numerical Investigation into Flutter and Flutter-Buffet Phenomena for a Swept Wing and a Curved Planform Wing by Mario Rosario Chiarelli, Salvatore Bonomo

“…The wings have similar aspect ratios and similar aerodynamic profiles. The analyses were carried out by CFD and FE techniques, and the reliability of the numerical aerodynamic results was proven by a sensitivity study. …”
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Galloping Stability and Wind Tunnel Test of Iced Quad Bundled Conductors considering Wake Effect by Xiaohui Liu, Ming Zou, Chuan Wu, Mengqi Cai, Guangyun Min, Shuguang Yang

“…A new quad bundle conductor galloping model considering wake effect is proposed to solve the problem of different aerodynamic coefficients of each subconductor of iced quad bundle conductor. …”
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