Results 41 to 50 of about 384 (179)

Experimental Investigation on Drag Reduction Characteristics of Riblets Considering the Flow Environment of Fuselage

Aerospace
The riblets surface is a passive turbulence drag reduction technology that holds promising application prospects in drag reduction for large aircraft. Currently, most research on the drag reduction characteristics of riblets is limited to medium and low ...
Qiyue Ma, Peiqing Liu, Hao Guo, Fei Cui, Yankun Su, Chunpeng Li, Tiejun Zhang   +6 more
doaj   +1 more source

Strategies for achieving real‐world robustness in topologically engineered surfaces with special wettability

Droplet, Volume 5, Issue 1, January 2026.
Engineered topologies surfaces with special wettability are promising for their ability to precisely customize wetting behaviors and incorporate versatile functionalities, setting them apart from randomly structured surfaces. However, robustness and durability have been hurdles to their broad application.
Sin‐Yung Siu, Yeonhui Choo, Chiu‐Wing Chan, Xiaonan Liu, Chuanbo Hu, Zuankai Wang, Kangning Ren   +6 more
wiley   +1 more source

Ridges and riblets: Shark skin surfaces versus biomimetic models

Frontiers in Marine Science, 2022
Shark skin has been an inspiration for biomimetic materials and structures due to its role in reducing drag and enhancing thrust, properties believed to be due to the textured surface composed of ridges on the surface of individual tooth-like scales ...
Molly K. Gabler-Smith, George V. Lauder
doaj   +1 more source

Caenogastropods and heterobranch gastropods from the Hettangian deposits of Luxembourg: palaeobiogeography and Early Jurassic faunal recovery in the western Tethys

Papers in Palaeontology, Volume 12, Issue 1, January/February 2026.
Abstract We describe the Hettangian Caenogastropoda and Heterobranchia of the Luxembourg Sandstone Formation, a wedge of clastic sediments deposited along the eastern margin of Paris Basin during the Early Jurassic. Five new genera and 11 new species are erected: Bourguetia bipartita sp. nov., Globularia delsatei sp. nov., Oonia feidtorum sp.
Stefano Monari, Roberto Gatto, Mara Valentini, Robert Weis   +3 more
wiley   +1 more source

Wall pressure signatures of turbulent flow over longitudinal

MATEC Web of Conferences, 2016
Five triangular riblets longitudinal in the streamwise direction have been studied experimentally. The riblets have pick to pick spaced (s) equal to 1000 μm and with groove height to space ratio (h/s) 0.4, 0.6, 0.8 and 1.
Abdulbari Hayder A., Mahammed Hassan D., Yaacob Zulkefli B., Mahmood Wafaa K.   +3 more
doaj   +1 more source

Biomimetics in Helmet Design: A Review of Aerodynamic Perspectives

Journal of Engineering, Volume 2026, Issue 1, 2026.
Recent advancements in helmet design demonstrate that mimicking natural models can enhance both aerodynamics and safety protection. Thus, this paper comprehensively reviews the bio‐inspired helmet designs reported in the latest computational and experimental studies, in addition to discussing the biomimetic approaches that integrate aerodynamic ...
Mahadi Hasan Masud, Shuvra Debnath, Md. Nazmul Hossen, Naef A. A. Qasem, Md. Mahbub Alam, Nayem Zaman Saimoon, Md. Nazmus Salehin, Mim Mashrur Ahmed, Vijayanandh Raja   +8 more
wiley   +1 more source

Multifunctional Micro/Nanostructured Interfaces, Fabrication Technologies, Wetting Control, and Future Prospects

Advanced Materials Interfaces, Volume 12, Issue 22, November 22, 2025.
This review explores recent developments in micro/nanostructured surfaces, with a focus on cavity‐based and reentrant geometries for enhanced liquid repellency and interfacial control. The review discusses fabrication strategies, structural design principles, and application trends, providing a balanced perspective on opportunities and ongoing ...
Seo Rim Park, Myung Seo Kim, Seong Min Yoon, Seo Na Yoon, Yu Ju Han, Sun Hye Yoon, Jun Ho Song, Na Ye Jang, Chae Hyeok Yoon, Woo Young Kim, Seok Kim, Young Tae Cho   +11 more
wiley   +1 more source

Wind tunnel investigations of DU97‐W‐300‐mod equipped with riblets

Wind Energy, 2021
A well‐known 30% thick wind turbine aerofoil was partially equipped with riblets, and lift and drag data were measured in a large acoustic wind tunnel. Drag was reduced up to 10%, and lift‐to‐drag ratio increased by up to 30%.
Alois Peter Schaffarczyk, Andreas Momber, Volkmar Stenzel   +2 more
doaj   +1 more source

Adult Suicidality and Therapeutic Engagement: A Systematic Review

Clinical Psychology &Psychotherapy, Volume 32, Issue 6, November/December 2025.
ABSTRACT 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
Chloé Muscat, Frédéric Verhaegen, Christophe Clesse   +2 more
wiley   +1 more source

Surface drag reduction and flow separation control in pelagic vertebrates, with implications for interpreting scale morphologies in fossil taxa [PDF]

Royal Society Open Science, 2015
Living in water imposes severe constraints on the evolution of the vertebrate body. As a result of these constraints, numerous extant and extinct aquatic vertebrate groups evolved convergent osteological and soft-tissue adaptations.
Colin Palmer, Mark T. Young
doaj   +1 more source