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Drag Forces in Paralympic Swimming
The present work focuses on the problems linked to the biomechanical role of the kick, in freestyle or front crawl swimming, in category S7...
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Numerical simulations of nano-particle’s drag forces using DSMC method for various Knudsen numbers
In this study, high-vacuum flow was analyzed using the direct simulation Monte Carlo (DSMC) method, and various forces acting on fine particles in a...
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CFD-Based Lift and Drag Estimations of a Novel Flight-Style AUV with Bow-Wings: Insights from Drag Polar Curves and Thrust Estimations
To achieve hydrodynamic design excellence in Autonomous Underwater Vehicles (AUVs) largely depends on the accurate prediction of lift and drag...
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Predicting submerged vegetation drag with a machine learning–based method
Accurate estimation of the drag forces generated by vegetation stems is crucial for the comprehensive assessment of the impact of aquatic vegetation...
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Self-sustained oscillations of lift and drag forces, heat fluxes, and flowfield parameters over supersonic bodies under asymmetrical energy deposition
This paper examines the effect of an asymmetrical energy source impact on the flow around supersonic aerodynamic bodies in a viscous heat-conducting...
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Estimation of drag on a tapered cylinder using direct drag measurement
The present experimental work is focused on designing and standardizing a direct method of measuring the drag force on a tapered cylinder in a water...
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Accelerometers and Drag-Free Control
The purpose of an accelerometer is to measure non-gravitational specific forces, whereas a drag-free system aims at reducing non-gravitational forces...
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Optimal tip shape for minimum drag and lift during horizontal penetration in granular media
Horizontal penetration in granular media is ubiquitous, from tunneling and geotechnical site investigation, to root growth and the locomotion of...
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Satellite design optimization for differential lift and drag applications
Utilizing differential atmospheric forces in the very low earth orbits (VLEO) regime for the control of the relative motion within a satellite...
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Real-Driving Residual-Drag-Torque of Disc Brakes
Residual drag torque of disc brakes is caused by unintended contacts between brake-disc and -pads when the brake is not applied. Brake drag opposes...
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Comparison of sub-grid drag laws for modeling fluidized beds with the coarse grain DEM–CFD approach
Fluidized particulate systems can be well described by coupling the discrete element method (DEM) with computational fluid dynamics (CFD). However,...
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The effects of wing inertial forces on flight stability of hovering insects with varying stroke plane
This paper discusses the effects of wing inertial forces on flight stability and required lift for hovering of insects with a varying stroke plane....
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Numerical Study on Drag Reduction for Flow Past a Circular Cylinder
When an object passes through a stationary fluid or fluid passes around an object, a resistive force acts on the object called drag. In most of the...
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Drag Assessment for Boundary Layer Control Schemes with Mass Injection
The present study considers uniform blowing in turbulent boundary layers as active flow control scheme for drag reduction on airfoils. The focus lies...
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Time and frequency analysis of fluctuating hydrodynamic forces acting on circular and square cylinders in laminar flows
Bladeless wind turbines operate based on wake and vortex-induced vibration of a cylinder. The arrangement of the cylinders to maximize the forces...
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Geometric descriptors for the prediction of snowflake drag
The dynamics of solid particles of complex shapes such as airborne snowflakes are governed by aerodynamic drag forces that are a function of the...
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NACA 4415 Aerofoil: Numerical Analysis for Performance in Drag and Lift
The National Advisory Committee for Aerodynamics (NACA) 4415 aerofoil is the most widely used aerodynamic shape in wind turbine blade applications....
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Stability analysis of a hybrid levitation pod in a hyperloop transportation system considering aerodynamic forces
Hyperloop transportation technology (HTT) is a new mode of transport. It works based on moving an ultra-high-speed vehicle called a pod into the...
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Distributed Forces—Hydrodynamic Loads
The present chapter discusses the distributed forces exerted on pipelines in a wet environment, while they are moving into the surrounding liquid....
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Feasibility of using bio-mimicking fish scale textures in LPBF for water drag-reducing surfaces
In this work, bio-mimicking fish scale textures are produced by LPBF and AlSi7Mg0.6 powder to reduce drag forces on nautical components. For this...
