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341
Status and Challenges on Design and Implementation of Camber Morphing Mechanisms
Published 2021-01-01“…Wing morphing technologies are aimed at making the aircraft more energy or aerodynamically efficient during flight by actively adjusting the wing shape, but their mechanism designs and implementation aspects are often overlooked from practical sense in many technical articles. …”
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342
Investigation and Development of a Three-Dimensional Transmission Tower-Line System Model Using Nonlinear Truss and Elastic Catenary Elements for Wind Loading Dynamic Simulation
Published 2021-01-01“…The application of the open-source package transmission tower-line model on extreme wind speed considering the aerodynamic damping is further implemented.…”
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343
Comparative analysis and manufacturing of airfoil structures suitable for use at low speeds
Published 2022-12-01“…An aerodynamic technique to calculating lift and drag coefficients is one of the required instruments in the wing design process. …”
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344
Use of Portable Air Purification Systems to Eliminate Aerosol Particles from Patient Rooms
Published 2022-03-01“…Radioactive particles with a mass median aerodynamic diameter of 0.6 ± 0.4 µm were nebulized from the head position of a simulated patient inside a 38 m3 measuring room. …”
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345
Study of Wind Loads and Wind Speed Amplifications on High-Rise Building with Opening by Numerical Simulation and Wind Tunnel Test
Published 2020-01-01“…Facade openings have often been used as aerodynamic measures for wind-resistant design of high-rise buildings to meet the requirement of structural safety and comfort. …”
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346
Structural Dynamics Analysis and Optimization of an Oil-Free Piston Air Compressor Based on Vibration and Noise Characteristics
Published 2024-12-01“…Firstly, we conduct noise experiment testing, identify the frequency band of aerodynamic noise using a coherence analysis method, and design orthogonal experiments to further optimize pipeline noise. …”
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347
Investigation of Structural Nonlinearity Effects on the Aeroelastic and Wake Characteristics of a 15 MW Wind Turbine
Published 2025-01-01“…The study finds that nonlinear deformations reduce predicted angle of attack, decrease aerodynamic load distribution, and lead to a noticeable decline in both wind turbine performance and blade deflection. …”
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348
Influence of trains meeting on the ventilation performance of equipment compartment with independent air duct in high-speed train: numerical and experimental study
Published 2024-10-01“…The results indicate that the primary factors influencing ventilation effectiveness are the aerodynamic compression and deceleration of airflow induced by the other train’s nose, as well as the instability of the external flow field in the wake of the other train. …”
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349
Finite element analysis and artificial neural network for stress distribution of an aircraft model in a wind tunnel
Published 2025-01-01“…Wind tunnels are instrumental in the aerodynamic analysis of aircraft model structures, enabling the replication of real circumstances for better design and performance evaluation. …”
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350
Contribution of dust emissions from farmland to particulate matter concentrations in North China Plain: Integration of WRF-Chem and WEPS model
Published 2025-01-01“…Wind erosion from farmland is a significant contributor to atmospheric particulate matter, particularly PM10 (atmospheric particulate matter with an aerodynamic diameter ≤ 10 μm), in regions with intensive agricultural activities such as the North China Plain (NCP). …”
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351
Multidimensional System Identification and Active Vibration Control of a Piezoelectric-Based Sting System Used in Wind Tunnel
Published 2020-01-01“…In wind tunnel tests, the cantilever sting is usually used to support aircraft models because of its simple structure and low aerodynamic interference. However, in some special conditions, big-amplitude and low-frequency vibration would occur easily on the model not only in the pitch direction but also in the yaw direction, resulting in inaccurate data and even damage of the supporting structure. …”
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352
Design and Application of a Test Rig for Stationary Component Performance Measurement of Centrifugal Compressors
Published 2025-02-01“…These results align with the findings obtained on a rotating test rig, indicating the feasibility of the proposed stationary component aerodynamic performance test rig.…”
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353
Optimization of Carrier-Based Dry Powder Inhaler Performance: A Review
Published 2025-01-01“…To reach the small airways of the deep lung, the active pharmaceutical ingredients (API) particles need to have an aerodynamic diameter of 1–5 μm to avoid impaction and particle sedimentation in the upper respiratory tract, and due to this small particle size, the powder becomes highly cohesive resulting in poor flow. …”
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354
Extreme thermal load generation method for high-temperature structures in atmospheric environment
Published 2024-12-01“…For addressing the severe aerodynamic thermal load simulation challenge of hypersonic aircraft in ground tests, an extreme thermal load generation method based graphite for high-temperature structures in atmospheric environment is proposed. …”
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355
Dynamic Stiffness Measurements of Road Pavements by Means of Impact Hammer in a Non-Resonant Configuration
Published 2025-01-01“…The different sources of noise in a vehicle have long been known, and they include noise from the engine and other mechanical parts, aerodynamic noise, and rolling noise. More specifically, the latter concerns the interaction between the tire and the road surface, and so it is also known as Tire–Road Noise (TRN). …”
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356
Numerical Analysis of a Small Pneumatic Hammer Performance Based on Evaluation Method of Friction Force
Published 2022-01-01“…We could find from the experimental result that the friction force was about 0.8 N under the horizontal installation when there was no pressure supply, but it increased significantly, was 20 times greater than that without pressure supply, due to aerodynamic action by compressed air leaked from the annular gaps between the cylindrical matching surfaces of the components. …”
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357
Gust Load Alleviation including Geometric Nonlinearities Based on Dynamic Linearization of Structural ROM
Published 2019-01-01“…Nonlinear structure reduced order model (ROM) and nonplanar double-lattice method (DLM) are used for structural and aerodynamic modeling. The structural modeling method presented herein describes stiffness nonlinearities in polynomial formulation. …”
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358
The effect of manufacturing defects and license plate on the energy efficiency of solar vehicles
Published 2024-11-01“…From this perspective, the aim of this study is to investigate the effect of manufacturing defects on the aerodynamic performance of solar vehicles. An analysis of these manufacturing defects at different vehicle speeds has been conducted. …”
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359
Multi-Sensor Instrument for Aerosol In Situ Measurements
Published 2025-01-01“…To enhance particle transmission efficiency to the IAMU sensors, aerodynamic modeling of the inlet pipes was performed, accounting for particle density and diameter. …”
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360
Performance of Partial and Cavity Type Squealer Tip of a HP Turbine Blade in a Linear Cascade
Published 2018-01-01“…Numerical calculations indicate that partial and cavity squealer designs can be effective to reduce the aerodynamic loss and heat transfer to the blade tip. …”
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