HYDRODYNAMIC THEORY OF THE "STRUYA" FORMER-FLOWMETER

V. P. Starikova and N. A. Vladimirovab

UDC 53.082.25,532.57,519.6,681.121

We have formulated the fundamentals of the hydrodynamic 
theory of the "Struya" former-flowmeter - a device for measuring 
the fluid flow rate and forming a homogeneous flow and a representative 
sample for subsequent qualitative analysis of the fluid medium composition. 
On the basis of the numerical solution of the Navier-Stokes equations, 
computer simulation of the flow of a viscous medium in the "Struya" 
former has been carried out. Models of homogeneous flow of a single 
incompressible fluid and of inhomogeneous flow of a two-phase dispersive 
fluid have been considered. Numerical calculations have confirmed 
the high characteristics of the "Struya" former which, as compared 
to the standard restrictions, has the lowest level of hydraulic losses 
and the highest accuracy of differential pressure formation.

Keywords: flowmeter, former, restriction, computer 
simulation, hydraulic losses, dispersive medium. 

aOOO NPP "Vysokie Inzhenernye Tekhnologii" (Scientific-Production Limited Company 
"High Engineering Technologies"), Moscow, Russia; bProf. N. E. Zhukovskii Central 
Aerohydrodynamic Institute, 1 Zhukovskii Str., Zhukovskii, Moscow Region, 140180, Russia; 
email: vlana@progtech.ru. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 82, 
No. 2, pp. 308-319, March-April, 2009. Original article submitted November 19, 2007; 
revision submitted September 23, 2008.