An experimental investigation of the interaction between a pair of precessing vortices in a tangential vortex chamber

S V Dremov, S I Shtork, S G Skripkin, I K Kabardin
2016 Journal of Physics, Conference Series  
An experimental investigation of the interaction between a pair of precessing vortices in a tangential vortex chamber To cite this article: S V Dremov et al 2016 J. Phys.: Conf. Ser. 754 022003 View the article online for updates and enhancements. Recent citations Determining the parameters of vortex structures in a hydrodynamic vortex chamber V S Dremov et al -This content was downloaded from IP address 207.241.231.83 on 30/10/2018 at 07:02 An experimental investigation of the interaction
more » ... he interaction between a pair of precessing vortices in a tangential vortex chamber Abstract. This paper is devoted to experimental investigation of the interaction between the pair of precessing vortices in a tangential vortex chamber. The test section was the tangential vortex chamber with a cylindrical working area. The liquid was tangentially fed into the chamber through 12 rectangular nozzles. The swirl parameter varied in the range 0 ÷ 6.6, and the Reynolds number varied within 6000 ÷ 52000. On the basis of visualization materials the dependence of the precession frequency of the system of two vortices was obtained. For the quantitative investigation the optical methods of laser Doppler anemometry (LDA) and the Particle Image Velocimetry (PIV) were used. Information about vortices and recirculation zones was obtained from the optical measurements.
doi:10.1088/1742-6596/754/2/022003 fatcat:byllpuloxrb3zgqlre42ag67j4