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201
Flow Characteristics Study of Wind Turbine Blade with Vortex Generators
Published 2016-01-01“…The blade root flow control is of particular importance to the aerodynamic characteristic of large wind turbines. The paper studies the feasibility of improving blade pneumatic power by applying vortex generators (VGs) to large variable propeller shaft horizontal axis wind turbines, with 2 MW variable propeller shaft horizontal axis wind turbine blades as research object. …”
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202
Disturbance Observer-Based Adaptive Control of Hypersonic Vehicles with Constrained Actuators
Published 2020-01-01“…For the altitude subsystem, the magnitude/rate constraints and the dynamics of aerodynamic control surfaces are addressed by the control allocation module. …”
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203
Feasibility of Hydrogen Energy for High-Power Aerospace Applications: A Comprehensive Assessment
Published 2025-01-01“…Considerations include structural design, aerodynamic characteristics, weight distribution, refueling infrastructure, and regulatory compliance. …”
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204
Parametric Studies of Flat Plate Trajectories Using VIC and Penalization
Published 2018-01-01“…A VIC scheme is used to solve the flow equations. The aerodynamic forces and moments are used to compute the acceleration and the velocity of the solid. …”
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205
Detailed Parametric Investigation and Optimization of a Composite Wing with High Aspect Ratio
Published 2019-01-01“…The wing design follows the following procedure; firstly, the design indexes of high aspect ratio wing are preliminarily formulated referring to some parameters of the Predator UAV. Then, the aerodynamic analysis of the wing is performed, and the stress cloud diagram is obtained. …”
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206
Dynamic Drag Reduction Effects of Aerospikes and Aerodisks
Published 2021-01-01“…Dynamic characteristics of aerodynamic drag as well as the visualization of unsteady flow fields are achieved, and the results show that the aerodynamics of hypersonic aircraft under the condition of large-amplitude force-pitching vibration have hysteresis characteristics affected by periods of force-pitching vibration. …”
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207
Desain Transmisi Hidrostatik untuk Roda Penggerak pada Mobil Terbang
Published 2024-10-01“…A flying car can fulfill two functions, as a vehicle on the road and as an airplane that capable of flying. To reduce aerodynamic drag, the drive wheels must be able to fold so that a flexible transmission system is required. …”
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208
Gust Mitigation of Micro Air Vehicles Using Passive Articulated Wings
Published 2014-01-01“…Birds and insects naturally use passive flexing of their wings to augment their stability in uncertain aerodynamic environments. In a similar manner, micro air vehicle designers have been investigating using wing articulation to take advantage of this phenomenon. …”
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209
Response Analysis of Projectile System Under Gaussian Noise Excitation Using Path Integral Method
Published 2024-01-01“…During flight, projectiles are subject to uncertainties such as aerodynamic forces, wind gusts, and measurement errors; all of which significantly affect their stability and accuracy. …”
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210
Experimental Validation of Elliptical Fin-Opening Behavior
Published 2003-01-01“…During the deployment, the fin aerodynamic forces vary with angle-of-attack changes to the free stream. …”
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211
Crosswise Wind Shear Represented as a Ramped Velocity Profile Impacting a Forward-Moving Aircraft
Published 2019-01-01“…While it would be difficult to model an instantaneous velocity gradient in a lateral plane, a vortical flow impinging from the sides which represents a wind shear in a vertical direction is imposed on a forward-moving aircraft to investigate the effect on the aerodynamic performance. The maximum shear wind speed from the side was fixed at 0.3 times the forward velocity. …”
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212
Analytical Predictor-Corrector Guidance Algorithm Based on Drag Modulation Flight Control System for Mars Aerocapture
Published 2018-01-01“…The simulation results show that the guidance algorithm is accurate and robust, which can effectively overcome the influence of atmospheric density error, aerodynamic parameter error, and initial state uncertainty.…”
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213
Influence of Turbulence, Orientation, and Site Configuration on the Response of Buildings to Extreme Wind
Published 2014-01-01“…The methodology presented can be followed to help decision makers to choose among innovative solutions like aerodynamic mitigation, structural member size adjustment, and/or damping enhancement, with an objective to improve the resiliency and the serviceability of buildings.…”
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214
Geomorphological Observations and Physical Hypotheses About Martian Dune Gullies
Published 2025-01-01“…However, these phenomena could originate from the impact of wind on the profiles of some large Martian dunes. This aerodynamic effect could seasonally generate all the meteorological phenomena we observe on these dunes (bodies of ice, frost, moisture trails, and vapor clouds) and as a result, produce gullies with a peculiar morphology different from the standard. …”
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215
A Numerical Scheme Based on an Immersed Boundary Method for Compressible Turbulent Flows with Shocks: Application to Two-Dimensional Flows around Cylinders
Published 2014-01-01“…In addition, the resulting aerodynamic force is significantly improved. Also, the present scheme is successfully applied to moving two-cylinder problems.…”
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216
Flight Path Reconstruction and Parameter Estimation Using Output-Error Method
Published 2006-01-01“…This method is also applied to obtain the aerodynamic and control derivatives of a regional jet aircraft from flight test data with measurement noise and bias. …”
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217
Prediction of Lift Coefficient for Tandem Wing Configuration or Multiple-Lifting-Surface System Using Prandtl’s Lifting-Line Theory
Published 2018-01-01“…In tandem airfoil configuration or multiple-lifting-surface layouts, due to the flow interaction among their lifting surfaces, the aerodynamic characteristics can be affected by each other. …”
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218
Investigations on the Blade Vibration of a Radial Inflow Micro Gas Turbine Wheel
Published 2007-01-01“…Secondly, turbine blades suffer many excitations during operation, such as pressure fluctuations (unsteady aerodynamic forces), torque fluctuations, and so forth. …”
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219
Aeroservoelastic Pitch Control of Stall-Induced Flap/Lag Flutter of Wind Turbine Blade Section
Published 2015-01-01“…The aeroelastic governing equations combine a flap/lag structural model and an unsteady nonlinear aerodynamic model. The nonlinear resulting equations are linearized by small perturbation about the equilibrium point. …”
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220
Emergency Flight Control Based on the Fan Wing
Published 2021-01-01“…It provides the possibility for its emergency flight control when the aerodynamic control becomes inefficient at a low speed. …”
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