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Superhydrophobic surfaces of the water bug Notonecta glauca: a model for friction reduction and air retention
Published 2011-03-01Subjects: “…air film…”
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Film Cooling Effectiveness Enhancement Applying another Jet in the Upstream Neighbor of the Main Jet-Using LES Approach
Published 2016-01-01Subjects: “…Film cooling effectiveness; Upstream jet; Large eddy simulation; Effectiveness enhancement; Drag reduction.…”
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Drag Reduction Analysis of the Hydrostatic Bearing with Surface Micro Textures
Published 2022-10-01“…Surface microtexturing has been widely used due to its good hydrophobic or drag reduction characteristics, and become an effective method to improve product performance and reduce energy consumption. …”
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Superfluid drag between excitonic polaritons and superconducting electron gas
Published 2022-08-01“…The Andreev-Bashkin effect, or superfluid drag, is predicted in a system of Bose-condensed excitonic polaritons in optical microcavity coupled by electron-exciton interaction with a superconducting layer. …”
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Computational fluid dynamics simulation of drag reduction by riblets on automobile
Published 2009“…The simulation results show that the attachment of rib lets on the rear roof surface reduces drag coefficient by 2.74%. By adjusting the attachment position of the riblets film, reduction rates between the range 0.5%-9.51% are obtained, in which the position of the top middle roof optimizes the effect. …”
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Aerodynamic Drag Reduction on Speed Skating Helmet by Surface Structures
Published 2022-12-01“…The aerodynamic drag for speed skating helmets with surface structures was investigated in this work by using numerical and experimental methods. …”
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The Influence of Boiling on the Streamlined Body Drag Force and Falling Velocity
Published 2021-02-01“…This article presents the results of numerical investigation of the influence of the streamlined body temperature on drag force and on the falling velocity in a water channel. …”
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C: (Maintenance) Animation is a Drag: It takes all the f****** time*
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This Is a Man's World: Drag Kings and the Female Embodiment of Masculinity
Published 2013-11-01“…The presence of trans, drags or genderqueer characters is minimal and with it the potential subversion of the heteronormative matrix. …”
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Controllable deformation based self‐adaptive drag reduction for complex surface
Published 2023-03-01“…Previously, regular riblets have been machined and the drag reduction has been verified; however, the riblet parameters are not adjusted like the denticles of sharkskin, which adapt quickly to the complex changing fluid flow. …”
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Analysis of Drag Torque Characteristic of Hydro-viscous Clutch with Consideration of Cavitation Effect
Published 2018-01-01“…With the film thickness decreases,the drag torque is improved,and its peak point corresponds to a higher speed.…”
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Mathematical Model of Drag Torque with Surface Tension in Single-Plate Wet Clutch
Published 2019-03-01“…Aeration of oil film between two closely rotating plates promotes the decrease of drag torque at high speed region. …”
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The Surface Photogalvanic and Photon Drag Effects in Ag/Pd Metal-Semiconductor Nanocomposite
Published 2021-10-01“…We performed the investigation of the polarization-sensitive photocurrent generated in silver-palladium metal-semiconductor nanocomposite films under irradiation with nanosecond laser pulses at the wavelength of 2600 nm. …”
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Photon Drag Currents and Terahertz Generation in α-Sn/Ge Quantum Wells
Published 2022-08-01“…We have fabricated α-Sn/Ge quantum well heterostructures by sandwiching nano-films of α-Sn between Ge nanolayers. The samples were grown via e-beam deposition and characterized by Raman spectroscopy, atomic force microscopy, temperature dependence of electrical resistivity and THz time-resolved spectroscopy. …”
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Difference of Reynolds Crisis Aspects on Soccer Balls and Their Panels
Published 2020-06-01Subjects: “…drag crisis…”
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Interactive film
Published 2020“…The final product is an interactive film.…”
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Final Year Project (FYP) -
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Simulation of Drag Reducer Polymer (DRP) for Single and Annular Two Phase Flow in Horizontal Pipe
Published 2018-10-01“…While the proposed annular flow equation with and without drag reduction effect is only suitable when the condition of fluid film distribution is uniform and symmetrical with the error around 20%, i.e. for smaller diameter pipes. …”
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Sustained drag reduction in a turbulent flow using a low-temperature Leidenfrost surface
Published 2017“…We use active heating on a superhydrophobic surface to establish a stable vapor layer or “Leidenfrost” state at a relatively low superheat temperature. The continuous film of water vapor lubricates the interface, and the resulting slip boundary condition leads to skin friction drag reduction on the inner rotor of a custom Taylor-Couette apparatus. …”
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