Heat transfer in a tube with combined V-winglet and twin counter-twisted tape
Sign Up to like & getrecommendations! Published in 2021 at "Case Studies in Thermal Engineering"
DOI: 10.1016/j.csite.2021.101033
Abstract: Abstract The article aims to study experimentally the enhanced thermal-hydraulic performance in a constant heat-fluxed tube inserted with V-winglet-attached twin counter-twisted tapes. Air was utilized as the test fluid and flowed into the tube in… read more here.
Keywords: heat; counter twisted; twin counter; twisted tape ... See more keywords
Heat transfer enhancement of internal flow by inserting punched delta winglet vortex generators with various attack angles
Sign Up to like & getrecommendations! Published in 2017 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2017.05.002
Abstract: Effects of punched delta winglet vortex generator inserts (PDWVGs) on single-phase forced convection heat transfer and friction loss of internal flow were experimentally investigated. The PDWVGs were manufactured by punching directly on aluminum strips with… read more here.
Keywords: punched delta; pdwvgs; heat transfer; heat ... See more keywords
Heat/mass transfer over the cavity squealer tip equipped with a full coverage winglet in a turbine cascade: Part 2 – Data on the cavity floor
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2016.12.026
Abstract: Abstract Heat/mass transfer characteristics on the floor of the cavity squealer tip equipped with a full coverage (FC) winglet has been investigated experimentally with the variation of h / s (tip gap height-to-span ratio) by… read more here.
Keywords: mass transfer; heat mass; cavity; winglet ... See more keywords
Numerical investigation towards implementation of punched winglet as vortex generator for performance improvement of a fin-and-tube heat exchanger
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.119171
Abstract: Abstract Thermohydraulic performance of fin-tube heat exchanger can be augmented by using longitudinal vortex generators. Numerical simulations have been performed in the present work for investigating the effect of punching a rectangular winglet having hole… read more here.
Keywords: tube heat; heat exchanger; fin tube; performance ... See more keywords
Numerical study of thermal and flow characteristics for a fin-and-tube heat exchanger with arc winglet type vortex generators
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Refrigeration"
DOI: 10.1016/j.ijrefrig.2018.10.021
Abstract: Abstract Vortex generator can effectively enhance the heat transfer performance on the fin surface by introducing the secondary flow and intensifying the mixing of fluid. In this study, four new types of arc-winglet vortex generator… read more here.
Keywords: arc vgs; heat; arc winglet; winglet ... See more keywords
Thermal-Hydraulic Performance Enhancement by the Combination of Rectangular Winglet Pair and V-Shaped Dimples
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Science and Engineering Applications"
DOI: 10.1115/1.4044169
Abstract: This paper presents numerical study on heat transfer enhancement due to the combination of rectangular winglet pair with V-dimples in an array-type arrangement. Array of rectangular winglet pairs results in heat transfer enhancement, however, at… read more here.
Keywords: winglet pair; thermal hydraulic; hydraulic performance; rectangular winglet ... See more keywords
Velocity Field Around a Rigid Flapping Wing with and Without Winglet in Quiescent Water
Sign Up to like & getrecommendations! Published in 2019 at "Archives of Biochemistry and Biophysics"
DOI: 10.11648/j.abb.20190703.11
Abstract: In the present paper velocity field around a rigid flapping wing is obtained to study the effect of winglet. Two dimensional particle image velocimetry (PIV) measurements are carried out to capture the velocity field. The… read more here.
Keywords: without winglet; velocity field; case; winglet ... See more keywords
Investigation on the effects of winglet geometry in a high loading compressor rotor
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/09576509211017004
Abstract: The tip winglet is employed to improve the flow stability of NASA Rotor 37. Two suction-side winglets with the maximum width of 0.25 and 0.5 times of the width of local blade tip section and… read more here.
Keywords: leakage flow; rotor; geometry; winglet ... See more keywords
Investigations into heat transfer and film cooling effect on winglet-squealer tips in a turbine stage
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/09576509221074140
Abstract: Heat transfer and film cooling effect on three kinds of winglet-squealer tips (i.e., conventional squealer tip, no P.S. rim tip and P.S. winglet tip) in a turbine stage are numerically investigated at two operation conditions… read more here.
Keywords: heat transfer; winglet; tip; film cooling ... See more keywords
Aerostructural Perspective on Winglets
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Aircraft"
DOI: 10.2514/1.c033914
Abstract: This paper presents an aerostructural perspective on the potential benefits of wingletted wings in comparison to planar wings of the same projected span. There is no consensus in the current literature on the efficiency gains… read more here.
Keywords: aerostructural perspective; winglet; perspective winglets;
Aerodynamic Investigation of a Horizontal Axis Wind Turbine with Split Winglet Using Computational Fluid Dynamics
Sign Up to like & getrecommendations! Published in 2020 at "Energies"
DOI: 10.3390/en13184983
Abstract: Wind energy is one of the fastest growing renewable energy sources, and the most developed energy extraction device that harnesses this energy is the Horizontal Axis Wind Turbine (HAWT). Increasing the efficiency of HAWTs is… read more here.
Keywords: blade; wind; energy; winglet ... See more keywords