Release:
2025. Vol. 11. № 1 (41)About the authors:
Nikolay G. Konoplev, Senior Lecturer of Department of Transport and Storage of Oil and Gas, Ufa State Petroleum Technological University, Ufa, RussiaAbstract:
This article describes a model of stationary turbulent motion of a Newtonian fluid with mass, elasticity and viscosity in a pipeline. Chaotic formation, disruption and dissipation of vortices is presented as an equivalent periodic oscillatory process of transition of elastic energy of the fluid together with the pipeline into the energy of flow motion and back, during which energy is lost. For the first time, a concept of complex hydraulic resistance is introduced for a stationary turbulent flow regime, which consists of viscous (active) and turbulent (reactive) resistances. The authors propose not to ignore or average the pulsating components of the turbulent flow, as it is presented in the classical theory of pipeline hydraulic resistance. It is proposed to consider the fluid flow and energy propagation in a moving fluid together. The proposed model of turbulent resistance directly depends on the frequency of constant transformation of one type of energy into another, which is influenced by the factors described in the work. By learning to control these factors, it is possible to reduce the hydraulic resistance of the pipeline.Keywords:
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