Conceptual Design of an Unmanned Fixed-Wing Aerial Vehicle Based on Alternative Energy by Alan G. Escobar-Ruiz, Omar Lopez-Botello, Luis Reyes-Osorio, Patricia Zambrano-Robledo, Luis Amezquita-Brooks, Octavio Garcia-Salazar

“…This paper focuses on the aerodynamics and design of an unmanned aerial vehicle (UAV) based on solar cells as a main power source. …”
Get full text

Large-Eddy Simulation (LES) on the Square and Triangular Tall Buildings to Measure Drag Force by Abdollah B. Daemei, Amiraslan Darvish, Roya Aeinehvand, Amirali Razzaghipour

“…For this purpose, architectural aerodynamic strategies such as chamfered, rounded, and recessed corners were applied as aerodynamic modifications. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text

Axial Compressor Stall and Surge Prediction by Measurements by H. Hönen

“…For both compressors parameters could be found which are clearly influenced by the aerodynamic load.…”
Get full text

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. …”
Get full text

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. …”
Get full text

Autopilot Design Method for the Blended Missile Based on Model Predictive Control by Baoqing Yang, Yuyu Zhao

“…This paper develops a novel autopilot design method for blended missiles with aerodynamic control surfaces and lateral jets. Firstly, the nonlinear model of blended missiles is reduced into a piecewise affine (PWA) model according to the aerodynamics properties. …”
Get full text

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.…”
Get full text

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. …”
Get full text

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. …”
Get full text

Design of an Inhalation Chamber and Metrology Assessment to Study Tungsten Aerosol Neurotoxic Effects by Léo Macé, Chrystelle Ibanez, Thomas Gelain, Cécile Bodiot, Laure Juhel, François Gensdarmes

“…The mass concentrations obtained with the DLPI and the filter holder were extremely consistent with each other, and the mass median aerodynamic diameters based on the DLPI and the APS data (with the Stokes correction applied to the latter) were also fairly close (1.77 and 1.89 µm, respectively). …”
Get full text

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. …”
Get full text

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. …”
Get full text

Optimization Design and Experimental Study of Low-Pressure Axial Fan with Forward-Skewed Blades by Li Yang, Ouyang Hua, Du Zhao-Hui

“…Measurement of the two blades was carried out in aerodynamic and aeroacoustic performance. Compared to the radial blade, the optimized blade demonstrated improvements in efficiency, total pressure ratio, stable operating range, and aerodynamic noise. …”
Get full text

Nonlinear Adaptive Equivalent Control Based on Interconnection Subsystems for Air-Breathing Hypersonic Vehicles by Chaofang Hu, Yanwen Liu

“…The adaptive approach is used to identify the uncertain aerodynamic parameters. Simulation of the flexible hypersonic vehicle demonstrates effectiveness of the proposed method.…”
Get full text

Integrated Guidance and Control of Interceptor Missile Based on Asymmetric Barrier Lyapunov Function by Xiang Liu, Xiaogeng Liang

“…Finally, in light of redundancy in such actuators as aerodynamic rudders and jet devices, a dynamic control allocation algorithm is designed to assign the desired control moments to the actuators. …”
Get full text

Analysis and Control of Abnormal Vibration of End Wall on High-Speed Electric Multiple Units by Dan Wang

“…In order to solve this problem, installing a deflector (guiding plate) above the windshield in the vehicle body end wall area can effectively suppress the aerodynamic excitation acting on the vehicle body end wall. …”
Get full text

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. …”
Get full text