onr:"swepub:oai:lup.lub.lu.se:ac1e4f53-1b73-4bb1-bc30-5a09f1f4cee3"
Search: onr:"swepub:oai:lup.lub.lu.se:ac1e4f53-1b73-4bb1-bc30-5a09f1f4cee3" > 3D numerical invest...
- 1 of 1
- Previous record
- Next record
- To hitlist
- Lotfi, Babak (author)
3D numerical investigation of flow and heat transfer characteristics in smooth wavy fin-and-elliptical tube heat exchangers using new type vortex generators
- Article/chapterEnglish2014
Publisher, publication year, extent ...
- Elsevier BV,2014
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:ac1e4f53-1b73-4bb1-bc30-5a09f1f4cee3
- https://lup.lub.lu.se/record/4714039URI
- https://doi.org/10.1016/j.energy.2014.06.016DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- 3D computational analysis was performed to investigate heat transfer and pressure drop characteristics of flow in SWFET (Smooth Wavy Fin-and-Elliptical Tube) heat exchanger with four new VGs (vortex generators), RTW (rectangular trapezoidal winglet), ARW (angle rectangular winglet), CARW (curved angle rectangular winglet) and WW (Wheeler wishbone). The numerical model was well validated with the available experimental results. Numerical results illustrate that vortex generators can bring about further heat transfer enhancement through careful adjustment of the position with respect to the elliptical tube, type and attack angle of vortex generators. The influences of the geometrical factors including attack angles of the winglets (alpha(vG) = 15 degrees,30 degrees,45 degrees,60 degrees and 75 degrees) and width/length aspect ratio (w/l = 0.5,1.0) of the Wheeler wishbones on enhancing the heat transfer performance of a smooth wavy fin heat exchanger with a three-row staggered elliptical tube bundle are investigated. A parametric study on the winglet vortex generators indicated that for the small attack angle, CARW vortex generators gives better thermohydraulic performance under the present conditions. The best thermal performance with winglet VGs in larger attack angle, was obtained at RTW VGs arrangement. For the SWFET heat exchangers, the WW VGs with w/l = 0.5 provide the best heat transfer performance. (C) 2014 Elsevier Ltd. All rights reserved.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Energiteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Energy Engineering hsv//eng
- Smooth wavy fin-and-elliptical tube heat exchanger
- Vortex generators
- Wheeler wishbone
- Augmented heat transfer
- SST k-omega turbulence model
- CFD simulation
Added entries (persons, corporate bodies, meetings, titles ...)
- Zeng, Min (author)
- Sundén, BengtLund University,Lunds universitet,Värmeöverföring,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Heat Transfer,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)vok-bsu (author)
- Wang, Qiuwang (author)
- VärmeöverföringInstitutionen för energivetenskaper (creator_code:org_t)
Related titles
- In:Energy: Elsevier BV73, s. 233-2571873-67850360-5442
Internet link
- 1 of 1
- Previous record
- Next record
- To hitlist
Find more in SwePub
- By the author/editor
- Lotfi, Babak
- Zeng, Min
- Sundén, Bengt
- Wang, Qiuwang
- About the subject
-
- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
- and Mechanical Engin ...
- and Energy Engineeri ...
- Articles in the publication
- Energy
- By the university
- Lund University
Search outside SwePub
- Extend your search to:
- Google Book Search
- Google Scholar
Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.
- Copyright © LIBRIS - National Library Systems
- LIBRIS.kb.se
