Practice has proved that drag reduction oscillators can decrease the axial friction and increase wellbore extension effe......

A comparative experiment by time-resolved particle image velocimetry(TRPIV)of the turbulent boundary layer(TBL)over a sm......

To increase launching frequency and decrease drag force of underwater projectiles,a serial multi-projectiles structure b......

This work investigates the active control of a fully developed turbulent boundary layer by a submerged synthetic jet act......

The application of grooved surface structure is an emerging and effective means in tur-bulence flow control.However,for ......

Wingtip slots,where the outer primary feathers of birds split and spread vertically,are regarded as an evolved favorable......

The two-phase micro-bubble flow over an axisymmetric body is investigated using the OpenFOAM framework. The numerical mo......

A novel air bubble lubrication method using the winged air induction pipe (WAIP) device is used to reduce the frictional......

To study the drag reduction of a jet surface,an experiment is conducted with a gyrorotor model.The aim of this study is ......

Previous studies demonstrated the possibility to realize fluid-drag reduction by proper biologically inspired surface te......

Riparian vegetation exerts significant effects on the flow structure and the geomorphology of rivers.In one sense vegeta......

Recently,much attention has been devoted to addressing the drag reduction property of superhydrophobic surface,a majorit......

Surfaces play an important role and surface functionalities are needed for several of todays technical problems.Approxim......

Fluid drag reduction research has always been a hot spot and front research,and the power consumption is particularly ac......

Polymer additive are often used to reduce friction drag of wall-bounded turbulent flows.The flow with a polymer solution......

INTRODUCTION Reducing fluid drag is an effective way to achieve energy saving and consumption reduction for aircraft,shi......

In this presentation,by means of Direct Numerical Simulation(DNS),flat plate turbulent boundary layer with Slot Syntheti......

Open-loop active control of bursting process and drag reduction in wall turbulence is realized by utilizing synchronous ......

At supercritical conditions a porous strip(or slot strip)placed beneath a shock wave can reduce the drag by a weaker lam......

Frictional drag occupies a large proportion in the resistance of modern civil aircraft,and the understanding of the gene......

The way of using superhydrophobic surface to reduce frictional drag underwater has been widely studied in the past two d......

Friction problem is the most outstanding problem recently in the well drilling operation of all kinds of complicated str......

减阻对于船舶运输有重要意义。采用超快激光在6061铝合金表面制备多种形状的微纳沟槽结构,研究了飞秒激光制备微纳结构工艺以及微U......

This paper presents experimental measurements by the time-resolved particle image velocimetry(TR-PIV)for the turbulent b......

　　Aerodynamic drag reduction has shown a great potential to save fuel consumption of vehicles.Adding splitter plates i......

　　In order to decrease fuel consumption of commercial vehicles,based on Large-eddy simulation,the influence of driving......

　　Superhydrophobic surfaces with micro-and nano-scale structures can maintain an air layer, and produce remarkable dra......

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　　Riblets are longitudinal micro-grooved on the wall surface of turbulent boundary layers or channel flows,whose skin-......

The nanophotocatalysts were synthesized in four stages and evaluated by FTIR,FESEM and VSM analysis.The influ-ence of na......

Superhydrophobic surfaces are widely used in many industrial settings,and mainly consist of rough solid protrusions that......

用乳液聚合法合成了具有减阻功能的油溶性高分子－聚甲基丙烯酸十二酯；考察了其粘均相对分子质量，质量分数，温度及流态对减阻效率，抗剪切......