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Flow modification around a circular cylinder applying splitter plates

A number of different studies were reviewed to investigate the functionality of splitter plates for the purpose of drag reduction and vortex elimination behind a circular cylinder. The studies were carried out numerically or experimentally in different combinations of Reynolds range, 2D or 3D dimens...

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Main Authors: Mahjoub, Babak, Ahmad, Kamarul Arifin, Wiriadidjaja, Surjatin
Format: Article
Language:English
Published: Universiti Putra Malaysia Press 2016
Online Access:http://psasir.upm.edu.my/id/eprint/29403/1/29403.pdf
http://psasir.upm.edu.my/id/eprint/29403/
http://www.pertanika.upm.edu.my/regular_issues.php?jtype=2
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spelling my.upm.eprints.294032016-08-03T02:17:26Z http://psasir.upm.edu.my/id/eprint/29403/ Flow modification around a circular cylinder applying splitter plates Mahjoub, Babak Ahmad, Kamarul Arifin Wiriadidjaja, Surjatin A number of different studies were reviewed to investigate the functionality of splitter plates for the purpose of drag reduction and vortex elimination behind a circular cylinder. The studies were carried out numerically or experimentally in different combinations of Reynolds range, 2D or 3D dimensions, with intention of drag reduction, vortex suppression or both. Results were compared to discover the generalities of a splitter plate's applications and its performance in drag reduction and vortex control. The reduction of 12% up to 38.6% in drag coefficient suggests that all reviewed studies verified the effectiveness of upstream plate in drag reduction. Varied upstream plate's gap ratios (gap between the plate and cylinder) were tested and the optimum position was obtained. For the finite cylinder case, however, the studies discovered that the effectiveness of upstream plate decreased severely and thus, are barely considered as a drag reductive tool for shorter cylinders. Although downstream plate influences drag force, its prominent application is found to be vortex shedding elimination (up to 14.7%). The length ratio and gap ratio of downstream plate were varied in these studies and it was found that the length ratio was a more important factor compared with the gap ratio in the case of vortex suppression. Universiti Putra Malaysia Press 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/29403/1/29403.pdf Mahjoub, Babak and Ahmad, Kamarul Arifin and Wiriadidjaja, Surjatin (2016) Flow modification around a circular cylinder applying splitter plates. Pertanika Journal of Science & Technology, 24 (2). pp. 231-244. ISSN 0128-7680; ESSN: 2231-8526 http://www.pertanika.upm.edu.my/regular_issues.php?jtype=2
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A number of different studies were reviewed to investigate the functionality of splitter plates for the purpose of drag reduction and vortex elimination behind a circular cylinder. The studies were carried out numerically or experimentally in different combinations of Reynolds range, 2D or 3D dimensions, with intention of drag reduction, vortex suppression or both. Results were compared to discover the generalities of a splitter plate's applications and its performance in drag reduction and vortex control. The reduction of 12% up to 38.6% in drag coefficient suggests that all reviewed studies verified the effectiveness of upstream plate in drag reduction. Varied upstream plate's gap ratios (gap between the plate and cylinder) were tested and the optimum position was obtained. For the finite cylinder case, however, the studies discovered that the effectiveness of upstream plate decreased severely and thus, are barely considered as a drag reductive tool for shorter cylinders. Although downstream plate influences drag force, its prominent application is found to be vortex shedding elimination (up to 14.7%). The length ratio and gap ratio of downstream plate were varied in these studies and it was found that the length ratio was a more important factor compared with the gap ratio in the case of vortex suppression.
format Article
author Mahjoub, Babak
Ahmad, Kamarul Arifin
Wiriadidjaja, Surjatin
spellingShingle Mahjoub, Babak
Ahmad, Kamarul Arifin
Wiriadidjaja, Surjatin
Flow modification around a circular cylinder applying splitter plates
author_facet Mahjoub, Babak
Ahmad, Kamarul Arifin
Wiriadidjaja, Surjatin
author_sort Mahjoub, Babak
title Flow modification around a circular cylinder applying splitter plates
title_short Flow modification around a circular cylinder applying splitter plates
title_full Flow modification around a circular cylinder applying splitter plates
title_fullStr Flow modification around a circular cylinder applying splitter plates
title_full_unstemmed Flow modification around a circular cylinder applying splitter plates
title_sort flow modification around a circular cylinder applying splitter plates
publisher Universiti Putra Malaysia Press
publishDate 2016
url http://psasir.upm.edu.my/id/eprint/29403/1/29403.pdf
http://psasir.upm.edu.my/id/eprint/29403/
http://www.pertanika.upm.edu.my/regular_issues.php?jtype=2
_version_ 1643829750868738048
score 13.211869

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