Three-dimensional measurement of turbulent flow over a riblet surface
Sign Up to like & getrecommendations! Published in 2017 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2017.03.006
Abstract: Abstract Measurement of three-dimensional (3D) turbulence over riblet surfaces is challenging due to the small size of the grooves and the requirement for measurement in the inner layer. The capability of two-dimensional (2D) and 3D… read more here.
Keywords: riblet; surface; piv; measurement ... See more keywords
Turbulent channel flow over riblets with superhydrophobic coating
Sign Up to like & getrecommendations! Published in 2018 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2018.02.001
Abstract: Abstract The performance of riblet surfaces after applying a superhydrophobic coating (SHC) is evaluated by planar particle image velocimetry (PIV) measurement at riblet tip spacing of s+ = 8.6, 17.3, and 34.6 (normalized using wall unit). The… read more here.
Keywords: turbulent channel; channel flow; superhydrophobic coating; riblet ... See more keywords
Stereoscopic PIV measurements of flow over a riblet surface at high Reynolds number
Sign Up to like & getrecommendations! Published in 2020 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2020.110246
Abstract: Abstract The effect of drag reducing riblets on the flow structure was examined experimentally for a turbulent boundary layer at Reθ = 9890 and riblet spacing s+ = 13.4. Trapezoidal riblets were used, which were attached to… read more here.
Keywords: stereoscopic piv; surface; piv measurements; riblet ... See more keywords
Effect of the yaw angle on the riblet performance
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0210054
Abstract: Direct numerical simulations are performed to investigate the effect of the yaw angle (α) on the drag-reduction performance by riblets in a turbulent channel flow. The yaw angles of α=0° and 90° correspond to the… read more here.
Keywords: effect yaw; performance; riblet; drag ... See more keywords
High-efficiency laser fabrication of drag reducing riblet surfaces on pre-heated Teflon
Sign Up to like & getrecommendations! Published in 2019 at "Materials Research Express"
DOI: 10.1088/2053-1591/ab0b12
Abstract: Bio-inspired surfaces are able to decrease friction with fluids and gases. The most recognizable are shark-skin-like riblet surface structures. Such bio-inspired surfaces can be formed by the laser ablation technique. In this work, bio-inspired riblet… read more here.
Keywords: high efficiency; pre heated; bio inspired; laser ... See more keywords
Additive manufacturing of surface riblets for aerodynamic optimization: From fabrication to flow visualization
Sign Up to like & getrecommendations! Published in 2025 at "Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering"
DOI: 10.1177/09544089251369051
Abstract: This study investigates the integration of additive manufacturing (AM), specifically fused deposition modeling, in the fabrication of microscale riblet geometries aimed at enhancing aerodynamic performance. Riblet structures with varying orientations and dimensional parameters were initially… read more here.
Keywords: visualization; additive manufacturing; fabrication; surface ... See more keywords
Numerical analysis of the effects of riblets on drag reduction of a flat plate
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Fluid Mechanics"
DOI: 10.29252/jafm.11.03.28344
Abstract: In recent years, marine transportation as well as land and air transportation has become in the centre of attention. There has been an attempt to reduce the drag exerted on vessels by various methods, such… read more here.
Keywords: flat plate; reduction; riblet; numerical analysis ... See more keywords