Results 11 to 20 of about 17,162 (248)
Effect of V-Shaped Groove Microstructure on Blood Flow Resistance in Bionic Artificial Blood Vessels
Applied Bionics and Biomechanics, 2023 This study aims to investigate the blood flow in bionic artificial blood vessels and to reduce the resistance to blood flow, the drag reduction characteristics of V-shaped groove drag reduction microstructures in artificial blood vessel structures were ...
Zhou Li +7 more
doaj +1 more source
Engineering Applications of Computational Fluid Mechanics, 2023 The pantograph is one of the primary sources of aerodynamic drag and noise during the operation of a high-speed train. To investigate the impact of the pantograph fairing on the aerodynamic performance at various train heights, six computational models ...
Hongkang Liu +6 more
doaj +1 more source
ChemEngineering, 2023 Drag reduction in turbulent flow may be significantly reduced by adding tiny quantities of fiber, polymer, and surfactant particles to the liquid. Different drag-reduction agents have proven to be effective in enhancing the flowability of the liquid when added.
Bashar J. Kadhim +6 more
openaire +2 more sources
Numerical Study on Drag Reduction of Superhydrophobic Surfaces with Conical Microstructures in Laminar Flow [PDF]
Journal of Applied Fluid MechanicsSuperhydrophobic surfaces have garnered attention for their ability to decrease fluid resistance, which can significantly reduce energy consumption. This study aims to accurately capture critical flow phenomena in a microchannel and explore the internal ...
Y. Xu, C. Ruan, Z. Zhang
doaj +1 more source
Experimental Study of Drag Reduction Phenomena within Pipe Flow in a Closed Circuit System Using Surfactant Additives [PDF]
Engineering and Technology Journal, 2013 Pipe lines and tubes are used throughout the worlds for the economic transportation of crude oil, petroleum derivatives, gas and water. A drag reduction phenomenon within pipe flow in a closed circuit system was studying experimentally using Surfactant ...
S. A. Alramadhni +2 more
doaj +1 more source
Experimental investigation of yaw-angle effects on drag reduction rate for trapezoidal riblets
Experimental investigation of yaw-angle effects on drag reduction rate for trapezoidal ribletsPhysical characteristics: Original contains color illustrations 形態 ...
Ayumu Inasawa +4 more
openaire +2 more sources
Applied Sciences, 2020 The resistance of ordinary potato digging shovels can increase dramatically when used in a clay soil because of the adhesion between the soil and shovel. In this paper, a new type of bionic potato digging shovel was designed to decrease adhesion.
Junwei Li +4 more
doaj +1 more source
Increasing flow capacity and reducing drag in microtubes using drag-reducing polymer [PDF]
Iranian Journal of Chemical Engineering, 2020 Decreasing pressure losses in microtubes is an important subject, especially when increase in flow capacity is required. In the same pumping power, decreasing the pressure drops is coincides with increasing the fluid flow rate passing through a microtube.
M.H. Akbari, M. Rahimi, H.R. Karami
doaj +1 more source
Xibei Gongye Daxue Xuebao, 2022 Turbulent drag reduction has always been a hot issue in fluid mechanics. Among various turbulent drag reduction methods, riblets has attracted wide attention due to its simple structure and convenient application.
DU Shuya, SANG Weimin, PANG Run
doaj +1 more source
International Journal of Metrology and Quality EngineeringSurface drag reduction technologies can significantly reduce the resistance during ship navigation, enhancing speed, efficiency and adaptability under various operating conditions.
Li Tianjian +5 more
doaj +1 more source