Results 11 to 20 of about 1,940 (222)
Turbulent Boundary Layer Control with Multi-Scale Riblet Design
EnergiesMotivated by the saturation of drag reduction effectiveness at high non-dimensional riblet spacing in turbulent boundary layer flows, this study seeks to investigate the influence of a secondary blade riblet structure on flow statistics and friction drag
Yaqing Jin, Dhanush Bhamitipadi Suresh
exaly +4 more sources
Marine drag reduction of shark skin inspired riblet surfaces
Biosurface and Biotribology, 2017 Shark skin inspired riblet surfaces have been known to have drag reduction effect for the over past 40 years. It first drew the attention from the aircraft industry.
Y.F. Fu, C.Q. Yuan, X.Q. Bai
exaly +4 more sources
Applied Sciences, 2023 Continuous evolution in nature has created optimum solutions for creature survival that have inspired many innovative engineering designs. Riblet geometries, passive flow control devices, have been studied, which were inspired by the skin of fast ...
Mohammad Reza Pakatchian +2 more
doaj +3 more sources
Relationship Between Skin Scales and the Main Flow Field Around the Shortfin Mako Shark Isurus oxyrinchus [PDF]
Frontiers in Bioengineering and Biotechnology, 2022 The aim of this study was to reveal potential relationship between the main flow field around a shortfin mako shark and the surface morphology of shark skin.
Chengchun Zhang +8 more
doaj +2 more sources
The Roles of Riblet and Superhydrophobic Surfaces in Energy Saving Using a Spatial Correlation Analysis [PDF]
Nanomaterials, 2023 Riblet and superhydrophobic surfaces are two typical passive control technologies used to save energy. In this study, three microstructured samples—a micro-riblet surface (RS), a superhydrophobic surface (SHS), and a novel composite surface of micro ...
Chunye Liu +4 more
doaj +2 more sources
Flow structures and wall parameters on rotating riblet disks and their effects on drag reduction
AEJ - Alexandria Engineering Journal, 2022 The demand of energy saving and loss mitigation in modern industry gives rise to drag reduction techniques such as micro groove/riblet ever since the last century.
Jiawen Li, Guobiao Cai
exaly +3 more sources
Results in EngineeringThis paper uses the Large-eddy simulation method to investigate the influence of riblet yaw angle on drag reduction rate with different immersion heights, revealing that the vortex structure is gradually transformed from riblet-tip vortex pairs to ...
Yao Yin
exaly +3 more sources
Flow Simulation of Various Riblet Shapes and a Uniform Model for Boundary Layer
Journal of Applied Fluid Mechanics, 2018 Various riblet shapes are simulated through the computational fluid dynamics method for the elucidation of riblet effects on turbulent boundary layers and skin friction reduction.
Y. Yu, X. Ren, X. Li, C. Gu
doaj +1 more source
Bio-inspired Surface Texture Fluid Drag Reduction using Large Eddy Simulation [PDF]
Journal of Applied Fluid Mechanics, 2023 Skin friction drag can be reduced through the application of bio-inspired riblet surfaces. Numerical simulations were performed using Large Eddy Simulation (LES) to investigate the effect of using riblets on reducing skin friction drag.
S. Hijazi, E. Tolouei
doaj +1 more source
Adult Suicidality and Therapeutic Engagement: A Systematic Review. [PDF]
Clin Psychol PsychotherABSTRACT Background Engagement in mental health care among adults with suicidality remains significantly low, with limited understanding of the factors influencing treatment retention and dropout. Aims Exploring the factors influencing therapeutic engagement, such as attendance, active participation and completion of therapeutic tasks among adults with
Muscat C, Verhaegen F, Clesse C.
europepmc +2 more sources