As an emerging branch in the area of flow control,hydrodynamic metamaterials have received considerable attention because of their novel flow control capabilities.In this review,we present prominent studies on hydrody...As an emerging branch in the area of flow control,hydrodynamic metamaterials have received considerable attention because of their novel flow control capabilities.In this review,we present prominent studies on hydrodynamic metamateri-als in porous media,non-porous media,creeping flows,and non-creeping flows from several perspectives.In particular,for hydrodynamic cloaking metamaterials,we unify the descriptive form of transformation hydrodynamics for hydrodynamic metamaterials in porous and non-porous media by the hydrodynamic governing equations.Finally,we summarize and out-look the current shortcomings and challenges of current hydrodynamic metamaterials and propose possible future research directions,especially for microfluidics,exotic fluids,hydrodynamic cloaking in high Reynolds numbers,and turbulence.展开更多
基金Project supported by Shanghai Science and Technology Development Funds(Grant No.22YF1410600)the National Natural Science Foundation of China(Grant Nos.11725521 and 12035004)the Fund from the Science and Technology Commission of Shanghai Municipality(Grant No.20JC1414700).
文摘As an emerging branch in the area of flow control,hydrodynamic metamaterials have received considerable attention because of their novel flow control capabilities.In this review,we present prominent studies on hydrodynamic metamateri-als in porous media,non-porous media,creeping flows,and non-creeping flows from several perspectives.In particular,for hydrodynamic cloaking metamaterials,we unify the descriptive form of transformation hydrodynamics for hydrodynamic metamaterials in porous and non-porous media by the hydrodynamic governing equations.Finally,we summarize and out-look the current shortcomings and challenges of current hydrodynamic metamaterials and propose possible future research directions,especially for microfluidics,exotic fluids,hydrodynamic cloaking in high Reynolds numbers,and turbulence.
