Investigation of volume fraction of nanoparticles effect and aspect ratio of the twisted tape in the tube
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-017-6372-7
Abstract: In present study, the heat transfer of laminar and turbulent flow of water/Al2O3 nanofluid in the volume fraction of φ = 0–4% of solid nanoparticles in Reynolds numbers of 500–25,000 have been numerically investigated. The studied geometrics… read more here.
Keywords: twisted tape; tube; volume fraction; heat transfer ... See more keywords
Heat transfer assessment of turbulent nanofluid flow in a circular pipe fitted with elliptical-cut twisted tape inserts
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-10338-1
Abstract: In the present work, a numerical study is conducted to improve the thermal performance of a circular pipe fitted with the elliptical-cut twisted tape (ECT) inserts in presence of a nanofluid as the working fluid.… read more here.
Keywords: cut twisted; tape; twisted tape; elliptical cut ... See more keywords
New combined heat transfer enhancement techniques used in laminar flow through non-circular ducts
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.114325
Abstract: Abstract The problem of heat transfer enhancement using different combinations of transverse ribs, transverse corrugations and twisted-tape insert with oblique teeth, twisted tape with centre clearance and helical screw-tape insert in square and rectangular channel… read more here.
Keywords: twisted tape; tape; heat transfer; heat ... See more keywords
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
Influence of triangle tube structure with twisted tape on the thermo-hydraulic performance of nanofluids in heat-exchange system based on thermal and exergy efficiency
Sign Up to like & getrecommendations! Published in 2019 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2019.04.047
Abstract: Abstract An experiment is carried out to research the thermo-hydraulic performance of TiO2-H2O nanofluids in triangle tubes while taking the effect of twisted tapes into consideration. The theories of thermal and exergy efficiency are applied… read more here.
Keywords: performance; tube; twisted tape; exergy efficiency ... See more keywords
Numerical investigation of rectangular-cut twisted tape insert on performance improvement of heat exchangers
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2018.12.039
Abstract: Abstract A numerical analysis has been performed to investigate the flow structure and thermal hydraulic performance of turbulent flow through circular tube equipped with twisted tapes with different cut shapes. The geometries of cuts are… read more here.
Keywords: cut twisted; heat; performance; cut ... See more keywords
Experimental evaluation of thermal performance and entropy generation inside a twisted U-tube equipped with twisted-tape inserts
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2019.106051
Abstract: Abstract In this experimental study, hydrothermal characteristics of a U-tube equipped with twisted-tape inserts are investigated experimentally. The twisting effects of side wall are also investigated for the U-tube as compared to the smooth case.… read more here.
Keywords: tape inserts; tube; twisted tape; equipped twisted ... See more keywords
The experimental thermal and hydraulic performance analyses for the location of perforations and dimples on the twisted tapes in twisted tape inserted tube
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2021.107033
Abstract: Abstract Experimental heat transfer enhancement investigation is carried out by using various twisted tape inserted tube configurations under turbulent flow conditions. Constant heat flux is applied on the outer wall of the test tube. The… read more here.
Keywords: tape; tape inserted; performance; twisted tape ... See more keywords
Short and spaced twisted tapes to mitigate fouling in tubular membranes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2019.117426
Abstract: Abstract Static mixers are an efficient means to mitigate membrane fouling as they deflect the fluid, thus increasing the shear rate at the membrane surface and enhancing back-transport of rejected matter. However, inserting static mixers… read more here.
Keywords: short spaced; twisted tapes; twisted tape; spaced twisted ... See more keywords
CuO-water nanofluid flow and heat transfer in a heat exchanger tube with twisted tape turbulator
Sign Up to like & getrecommendations! Published in 2018 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.05.057
Abstract: Abstract In this article, water based nanofluid pressure drop and heat transfer augmentation due to using twisted tape insert was investigated. Behaviors of CuO-H2O are predicted according to single phase model. Entropy generation due to… read more here.
Keywords: heat; water; twisted tape; heat transfer ... See more keywords
Thermo-hydraulic performance of a biological nanofluid containing graphene nanoplatelets within a tube enhanced with rotating twisted tape
Sign Up to like & getrecommendations! Published in 2019 at "Powder Technology"
DOI: 10.1016/j.powtec.2019.07.053
Abstract: Abstract In this study, thermo-hydraulic performance of an ecofriendly nanofluid containing graphene nanoplatelets is examined within a tube enhanced with rotating twisted tape. The variable parameters consist of rotational speed, twisted ratio (λ), and nanoparticle… read more here.
Keywords: thermo hydraulic; hydraulic performance; twisted tape; rotating twisted ... See more keywords