Control of separated turbulent stream by high-frequency rotary oscillations at Re=1,4x10[5]

Autor: Egor Vladimirovich Palkin, Rustam Ilkhamovich Mullyadzhanov, Muhamed Hadziabdic, Kemal Hanjalic

Publikováno v: Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 327, Iss 9 (2017)

Relevance. Characteristics of separated turbulent streams are of great importance when designing effective hydro- and thermal power plants equipment. In such streams the flow regimes with harmful quasi-periodic high-amplitude oscillations of velocity

Externí odkaz: https://doaj.org/article/4db25d69a6254c93b4f24dde9893b2ca

Control of flow around a cylinder by rotary oscillations at a high subcritical Reynolds number

Autor: Muhamed Hadżiabdić, E. Palkin, Rustam Mullyadzhanov, Kemal Hanjalic

Publikováno v: Journal of Fluid Mechanics. 855:236-266

We report on a numerical study of the vortex structure modifications and drag reduction in a flow over a rotationally oscillating circular cylinder at a high subcritical Reynolds number, $Re=1.4\times 10^{5}$ . Considered are eight forcing frequencie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::386bfa79448e1d0518b1670875fa5a39
https://doi.org/10.1017/jfm.2018.639

Rotary oscillations control of flow around cylinder at Re = 1.4 × 105

Autor: E. Palkin, Muhamed Hadżiabdić, Rustam Mullyadzhanov, Kemal Hanjalic

Publikováno v: AIP Conference Proceedings.

We study the flow over an infinite cylinder at high sub-critical Reynolds numbers of Re = 1.4 × 105 using the second-moment closure Reynolds Stress Model. The model of Jakirlic and Hanjalic [1] has been previously validated against large-eddy simula

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8e7f38bda9458a82f68e7e9a427437d
https://doi.org/10.1063/1.4964017

LES of turbulent flow in a concentric annulus with rotating outer wall

Autor: Muhamed Hadżiabdić, Kemal Hanjalic

Publikováno v: Proceeding of THMT-12. Proceedings of the Seventh International Symposium On Turbulence, Heat and Mass Transfer Palermo, Italy, 24-27 September, 2012.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d82d626465a9bcbd5174df2c1f924b3
https://doi.org/10.1615/ichmt.2012.procsevintsympturbheattransfpal.1920

Turbulent jet impinging onto a rotating disc : a collaborative evaluation of RANS models

Autor: Sofiane Benhamadouche, Muhamed Hadżiabdić, R. Perrin, P. Fourment, Remi Manceau

Publikováno v: 6th International Symposium on Turbulence, Heat and Mass Transfer
6th International Symposium on Turbulence, Heat and Mass Transfer, Sep 2009, Roma, Italy. pp.0

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f2159895a362fcfe33154fc912e4e5a
https://hal.archives-ouvertes.fr/hal-00524548