Three-dimensional transition of the flow past a cylinder fitted with helical strakes

Francisco Jose Gomez Carrasco, Jose Hermida-Quesada, Raquel Gomez Miguel, Vassilis Theofilis, Bruno Souza Carmo, Julio Romano Meneghini

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Researchpeer-review

1 Citation (Scopus)

Abstract

Helical strakes are the most employed devices to mitigate or suppress vortex-induced vibrations of circular cylinders. Although several investigations have been performed in order to predict the performance of these devices, proving its efficiency in specific configurations, little is understood regarding the physical mechanisms leading to the efficiency of these devices. Direct Numerical Simulation and three-dimensional global (TriGlobal) analysis of the flow around a cylinder fitted with helical strakes is performed at low Reynolds number in order to identify and understand more deeply the flow instabilities and physical mechanisms that mitigate and suppress the spanwise-correlated vortex-shedding
Original languageEnglish
Title of host publicationInstability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013
EditorsVassilis Theofilis, Julio Soria
Place of PublicationCham Switzerland
PublisherSpringer
Pages111 - 116
Number of pages6
Edition1
ISBN (Print)9783319062594
DOIs
Publication statusPublished - 2015

Publication series

NameFluid Mechanics and Its Applications
PublisherSpringer
Number107

Cite this

Gomez Carrasco, F. J., Hermida-Quesada, J., Gomez Miguel, R., Theofilis, V., Carmo, B. S., & Meneghini, J. R. (2015). Three-dimensional transition of the flow past a cylinder fitted with helical strakes. In V. Theofilis, & J. Soria (Eds.), Instability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013 (1 ed., pp. 111 - 116). (Fluid Mechanics and Its Applications; No. 107). Cham Switzerland: Springer. https://doi.org/10.1007/978-3-319-06260-0_16
Gomez Carrasco, Francisco Jose ; Hermida-Quesada, Jose ; Gomez Miguel, Raquel ; Theofilis, Vassilis ; Carmo, Bruno Souza ; Meneghini, Julio Romano. / Three-dimensional transition of the flow past a cylinder fitted with helical strakes. Instability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013. editor / Vassilis Theofilis ; Julio Soria. 1. ed. Cham Switzerland : Springer, 2015. pp. 111 - 116 (Fluid Mechanics and Its Applications; 107).
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Gomez Carrasco, FJ, Hermida-Quesada, J, Gomez Miguel, R, Theofilis, V, Carmo, BS & Meneghini, JR 2015, Three-dimensional transition of the flow past a cylinder fitted with helical strakes. in V Theofilis & J Soria (eds), Instability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013. 1 edn, Fluid Mechanics and Its Applications, no. 107, Springer, Cham Switzerland, pp. 111 - 116. https://doi.org/10.1007/978-3-319-06260-0_16

Three-dimensional transition of the flow past a cylinder fitted with helical strakes. / Gomez Carrasco, Francisco Jose; Hermida-Quesada, Jose; Gomez Miguel, Raquel; Theofilis, Vassilis; Carmo, Bruno Souza; Meneghini, Julio Romano.

Instability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013. ed. / Vassilis Theofilis; Julio Soria. 1. ed. Cham Switzerland : Springer, 2015. p. 111 - 116 (Fluid Mechanics and Its Applications; No. 107).

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Researchpeer-review

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AU - Carmo, Bruno Souza

AU - Meneghini, Julio Romano

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AB - Helical strakes are the most employed devices to mitigate or suppress vortex-induced vibrations of circular cylinders. Although several investigations have been performed in order to predict the performance of these devices, proving its efficiency in specific configurations, little is understood regarding the physical mechanisms leading to the efficiency of these devices. Direct Numerical Simulation and three-dimensional global (TriGlobal) analysis of the flow around a cylinder fitted with helical strakes is performed at low Reynolds number in order to identify and understand more deeply the flow instabilities and physical mechanisms that mitigate and suppress the spanwise-correlated vortex-shedding

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BT - Instability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013

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Gomez Carrasco FJ, Hermida-Quesada J, Gomez Miguel R, Theofilis V, Carmo BS, Meneghini JR. Three-dimensional transition of the flow past a cylinder fitted with helical strakes. In Theofilis V, Soria J, editors, Instability and Control of Massively Separated Flows: Proceedings of the International Conference on Instability and Control of Massively Separated Flows, held in Prato, Italy, from 4-6 September 2013. 1 ed. Cham Switzerland: Springer. 2015. p. 111 - 116. (Fluid Mechanics and Its Applications; 107). https://doi.org/10.1007/978-3-319-06260-0_16