Results 71 to 80 of about 1,669 (212)
Analysis of riblets performance in pressure gradient flow by Large Eddy Simulation
, 2020 The effectiveness of riblets in reducing friction drag has been well assessed by many experi- ments in flat plate and channel flow in the end of the last century.
Pietro Catalano +3 more
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Design Advantages of Skin Friction Drag Reduction Using Riblets [PDF]
, 2013 The research reported here has examined the potential improvements in overall aircraft performance that can result from integrating skin friction reduction technology, such as riblets, early in the aircraft design cycle. This study has shown that riblets
Gregory, John Michael
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Numerical Simulation of Blade-Shaped Riblets Using LES-Based Methods
Chemical Engineering Transactions, 2023 Passive flow control techniques are widely implemented in many areas of fluid mechanics and aerodynamics, aiming at permanently altering the flow field to suppress undesired phenomena or enhance performance.
Chris Bliamis +3 more
doaj
Proceedings in Applied Mathematics and Mechanics, Volume 24, Issue 4, December 2024.ABSTRACT Single‐ and multitask Gaussian process regression (GPR), termed sGPR and mGPR, are investigated as surrogate models to guide the design of actuation parameters for active drag reduction techniques in turbulent boundary layer (TBL) flows.
Fabian Hübenthal +2 more
wiley +1 more source
CFD Aided Investigation of a Small Horizontal Wind Turbine Performance Enhancement Using Riblets
Chemical Engineering Transactions, 2023 In recent years, the total number of wind turbines operating globally has steadily increased due to the relatively high technological readiness level and relatively low environmental footprint.
Chris Bliamis +3 more
doaj
Drag reduction performance of riblets
, 2019 Drag reduction has always been a tough issue in fluid dynamics, and the fluid of interest in this study is air. Global energy problem has motivated researchers to develop different drag reduction methods, including mimicking and replicating biomimetic ...
Leong, Chao Jun
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NACA 2412 Drag Reduction Using V-Shaped Riblets
EngThis research focuses on addressing a significant concern in the aviation industry, which is drag. The primary objective of this project is to achieve drag reduction through the implementation of riblets on a wing featuring the NACA 2412 aerofoil ...
Smitha Mol Selvanose +3 more
doaj +1 more source
Experimental investigation of heat transfer over drag-reducing riblets
, 2013 International audienceThe effect of longitudinal and drag-reducing riblets on heat transfer in a turbulent boundary layer is investigated. Systematic previous studies of turbulent flows over'V'-shaped riblets have shown that a drag-reducing regime is ...
Creyssels, Mathieu, Nicot, Christian
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Numerical evaluation of the thermal-hydraulic performance of rectangular riblets in a tube
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"The aim of the research is to explore the potential for enhancing heat transfer and reducing hydraulic losses in piping systems by employing structured surfaces.An evaluation of the thermal-hydraulic performance of rectangular riblets with a height of h =
S. A. Zaides, Tuan Dung Tran
doaj +1 more source
Kelvin–Helmholtz rollers in turbulent flow over riblets [PDF]
, 2018 © 2018 Australasian Fluid Mechanics Society. All rights reserved. Structures resulting from a Kelvin–Helmholtz instability have been shown to contribute to skin-friction drag in turbulent flow over blade-shaped riblets [4].
Modesti, D +5 more
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