Dynamics, Internet Report

APPLICATION OF TWO-FLUID MODEL FOR FLOW INVESTIGATION IN PIPES OF CIRCLE PROFILE

Yuriy Zayko, P.A. Stolypin's Volga Regional Institute of Control, Russia

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ABSTRACT

Two-fluid model for description of flows in pipes of circle profile is presented. This model explains well-known experimental fact which consists of growth (approximately in 2 degrees) of critical Reynolds number at which transfer to turbulent regime takes place in comparison with pipes of other profiles. A special characteristic of this model is that a set of vortices arise which separate flow from walls of pipe. An electromagnetic analogy with infinitely long solenoid is used for determination of flows’ parameters.

Representing author

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Dr. Yuriy Nikolayevich Zayko

Stolypin Volga Region Management Institute, Russian Presidential Academy of National Economy and Public Administration, Consultant
Saratov, Russia

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