TY  - CONF
AU  - Čantrak, Đorđe
AU  - Nedeljković, Miloš
AU  - Janković, Novica
PY  - 2011
UR  - https://machinery.mas.bg.ac.rs/handle/123456789/6422
AB  - Turbulent swirl flow occurs in various technical systems and nature. Here are presented experimental results obtained in circular pipe behind axial fan as swirl generator for Reynolds number 2.36•105. Various experimental techniques were employed such as Laser Doppler Anemometry (LDA), Particle Image Velocimetry (PIV), original classical probes and smoke flow visualization with Nd:Yag laser. Each of techniques discovers turbulent swirl flow field characteristics in its own “point of view”. LDA offers better insight into flow turbulence, but just for one velocity component and in one point. PIV offers good spatial overview (around 100mmx120mm) and averaged velocity field based on 300 pictures. Classical probes provided pressure distribution along the pipe diameter. Performed visualization gave better insight into fluid flow dynamics. Four characteristic flow regions in a cross section are obvious. Radial velocity distribution, documented by LDA and PIV, has shown that turbulent swirl flow must be accepted as three dimensional in the core region, what was neglected by classical probes. Flow integral characteristics calculated on the basis of all these methods have shown good agreement. Distinctions are the result of difference in velocity distribution in, especially, vortex core region.
PB  - Српско друштво за механику
C3  - The 3rd International Congress of Serbian Society of Mechanics, Vlasina Lake, Serbia, 5-8 July, Proceedings IConSSM 2011
T1  - Turbulent Swirl Flow Dynamics
SP  - 251
UR  - https://hdl.handle.net/21.15107/rcub_machinery_6422
ER  - 

@conference{
author = "Čantrak, Đorđe and Nedeljković, Miloš and Janković, Novica",
year = "2011",
abstract = "Turbulent swirl flow occurs in various technical systems and nature. Here are presented experimental results obtained in circular pipe behind axial fan as swirl generator for Reynolds number 2.36•105. Various experimental techniques were employed such as Laser Doppler Anemometry (LDA), Particle Image Velocimetry (PIV), original classical probes and smoke flow visualization with Nd:Yag laser. Each of techniques discovers turbulent swirl flow field characteristics in its own “point of view”. LDA offers better insight into flow turbulence, but just for one velocity component and in one point. PIV offers good spatial overview (around 100mmx120mm) and averaged velocity field based on 300 pictures. Classical probes provided pressure distribution along the pipe diameter. Performed visualization gave better insight into fluid flow dynamics. Four characteristic flow regions in a cross section are obvious. Radial velocity distribution, documented by LDA and PIV, has shown that turbulent swirl flow must be accepted as three dimensional in the core region, what was neglected by classical probes. Flow integral characteristics calculated on the basis of all these methods have shown good agreement. Distinctions are the result of difference in velocity distribution in, especially, vortex core region.",
publisher = "Српско друштво за механику",
journal = "The 3rd International Congress of Serbian Society of Mechanics, Vlasina Lake, Serbia, 5-8 July, Proceedings IConSSM 2011",
title = "Turbulent Swirl Flow Dynamics",
pages = "251",
url = "https://hdl.handle.net/21.15107/rcub_machinery_6422"
}

Čantrak, Đ., Nedeljković, M.,& Janković, N.. (2011). Turbulent Swirl Flow Dynamics. in The 3rd International Congress of Serbian Society of Mechanics, Vlasina Lake, Serbia, 5-8 July, Proceedings IConSSM 2011
Српско друштво за механику., 251.
https://hdl.handle.net/21.15107/rcub_machinery_6422

Čantrak Đ, Nedeljković M, Janković N. Turbulent Swirl Flow Dynamics. in The 3rd International Congress of Serbian Society of Mechanics, Vlasina Lake, Serbia, 5-8 July, Proceedings IConSSM 2011. 2011;:251.
https://hdl.handle.net/21.15107/rcub_machinery_6422 .

Čantrak, Đorđe, Nedeljković, Miloš, Janković, Novica, "Turbulent Swirl Flow Dynamics" in The 3rd International Congress of Serbian Society of Mechanics, Vlasina Lake, Serbia, 5-8 July, Proceedings IConSSM 2011 (2011):251,
https://hdl.handle.net/21.15107/rcub_machinery_6422 .