Hydrotechnical Construction

, Volume 33, Issue 2, pp 99–103 | Cite as

Hydraulic characteristics of chamber-free tangential vortex flow generators

  • N. V. Khanov
Hydraulic Research


Model hydraulic investigations of chamber-free tangential vortex flow generators with supply conduits having different slopes indicated that:

the hydraulic loss in the vortex generator increases with increasing swirl rate Π of the flow; this leads to a reduction in flow-rate characteristics;

an air feed to the core lowers, however negligibly, the flow factor of the vortex generator for the regimes investigated;

the parameter Π=sin β has a small range of variation when air is present in the core; this is explained by the increase in the axial velocity component in the involuted flow with increasing cross-sectional area of the core for nearly equivalentQ; and,

the stability of the core is a deciding factor for an increase in the carrying capacity of the vortex generator for shaft slopes β>75°, and is a progressive component of the velocity of the liquid inside the swirl subassembly when β<75°.


Vortex Vortex Generator Hydraulic Characteristic Hydraulic Loss Flow Factor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    N. V. Khanov, “Hydraulic operating conditions of a vortex tunnel spillway with an inclined shaft”,Gidrotekh. Stroit., No. 11 (1997).Google Scholar
  2. 2.
    G. N. Abramovich, Theory of the centrifugal atomizer,Collection of the N. Ye. Zhukovskii Central Aero-Hydrodyanmic Institute: Industrial Aerodynamics [in Russian], Izdatel'stvo BNT MAP, Moscow (1944).Google Scholar
  3. 3.
    Temporary Recommendations for Calculation and Design of Spilways with Accelerated Energy Quenching of an Involuted Flow [in Russian], No. 019.30.001190, RUDN, Moscow (1992).Google Scholar
  4. 4.
    A. V. Sapfirov, A. M. Fedorkov, and N. V. Khanov, “Procedure for determination of the geometric parameter A for a chamber-free tangential vortex generator”, in:Proceedings of the MGMI, (1991).Google Scholar
  5. 5.
    A. M. Popov, “Hydrothermal investigations of a bottle type of centrifugal nozzles”, in:News of the B. E. Vedeneev All-Union Scientific-Research Institute of Hydraulic Engineering: Hydraulics of Water-Development Works, No. 220 (1990).Google Scholar

Copyright information

© Kluwer Academic/Plenum Publishers 1999

Authors and Affiliations

  • N. V. Khanov

There are no affiliations available

Personalised recommendations