Results 41 to 50 of about 84,328 (206)
Device measures fluid drag on test vehicles [PDF]
, 1965 Electromechanical drag balance device measures the aerodynamic drag force acting on a vehicle as it moves through the atmosphere and telemeters the data to a remote receiving station.
Freeman, R., Judd, J. H., Leiss, A.
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Flow over rough-walled circular cylinder in the critical area [PDF]
, 2018 The article deals with the flow over a roughwalled circular cylinder in the critical area at high Re numbers. The subject of the paper is a comparison of the standard calculation of the aerodynamic drag coefficient with numerical modeling.
Kolos, Ivan +2 more
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Aerodynamic Drag of Streamers and Flags [PDF]
Journal of Aircraft, 2005 Low-speed drag and flutter measurements of rectangular flags and streamers are presented. The streamers have aspect ratios between 10 and 30; the flag has an aspect ratio of 3.3. Operating Reynolds numbers are in the range from Re =2 × × 10 5 to 2 × × 10 6 .
A. C. Carruthers, A. Filippone
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A Study on Reduced Wind Drag Acting on the Hull of a River Ship in Headwind Using CFD
Applied SciencesThe aerodynamic performance of a ship plays a crucial role in determining its efficiency, safety, and economic viability. While traditional ship design has primarily focused on optimizing hull forms to minimize water resistance acting on the hull, recent
Ngo Van He +3 more
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Study and Evaluation of the Effects of Bionic Groove Structures Applied to Wheel Spokes on the Aerodynamics of a Car Model [PDF]
Journal of Applied Fluid MechanicsDecreasing the wheel aerodynamic drag is one of the important measures for lowering vehicle drag and improving fuel efficiency. The innovation of this study is designing the bionic non-smooth groove structure on the spoke surface as a drag reduction ...
T. H. Huang +4 more
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Definition and discussion of the intrinsic efficiency of winglets [PDF]
INCAS Bulletin, 2018 Three simple equations are derived to define the “Intrinsic Aerodynamic Efficiency of Winglets” independent of the horizontal extension of the winglet and independent of the winglet’s (relative) height.
Dieter SCHOLZ
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南方能源建设[Objective] As a physical energy storage method characterized by both environmental protection and economic efficiency, gravity energy storage is expected to become an important support for the sustainable development of renewable energy in the future ...
Liang CHEN +7 more
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Effects of Static Stability Margin on Aerodynamic Design Optimization of Truss-Braced Wing Aircraft
Aerospace, 2023 Currently, the aviation industry is facing an oil and energy crisis and is contributing much more greenhouse gas emissions to the environment. Aircraft design approaches, such as aerodynamic shape optimization, new configuration concepts, and active ...
Li Li +3 more
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Results in EngineeringAerodynamic drag plays an important role in heavy vehicles, especially when traveling at high speeds. In this context, the application of passive flow control devices emerges as a potential approach to reduce the aerodynamic drag of vehicles, leading to ...
Thanh-Long Phan
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Ain Shams Engineering Journal, 2019 Tall modern buildings are extremely sensitive to the wind. Thus, assessment of wind loads to design these buildings is essential. The purpose of this study is first to introduce a theoretical framework and simultaneously express basic aerodynamic studies.
Abdollah Baghaei Daemei +3 more
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