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Four-dimensional equation of motion for viscous compressible and charged fluid with regard to the acceleration field, pressure field and dissipation field

Name: Four-dimensional equation of motion for viscous compressible and charged fluid with regard to the acceleration field, pressure field and dissipation field
Creator: Fedosin, Sergey G
Keywords: acceleration field, pressure field, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Physics - Fluid Dynamics, 02 engineering and technology, 01 natural sciences, Navier-Stokes equation, Navier-Stokes equation; Dissipation field; Acceleration field; Pressure field; Viscosity, 0203 mechanical engineering

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Mar 2015Embargo end date: 01 Jan 2016Publisher:International Centre for Applied Thermodynamics (ICAT)Journal:International Journal of Thermodynamics, volume 18, page 13 (issn: 1301-9724, eissn: 2146-1511,

Authors: Fedosin, Sergey G;

doi: 10.5541/ijot.5000034003 , 10.48550/arxiv.1610.03451

arXiv: http://arxiv.org/abs/1610.03451

Four-dimensional equation of motion for viscous compressible and charged fluid with regard to the acceleration field, pressure field and dissipation field

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Abstract

From the principle of least action the equation of motion for viscous compressible and charged fluid is derived. The viscosity effect is described by the 4-potential of the energy dissipation field, dissipation tensor and dissipation stress-energy tensor. In the weak field limit it is shown that the obtained equation is equivalent to the Navier-Stokes equation. The equation for the power of the kinetic energy loss is provided, the equation of motion is integrated, and the dependence of the velocity magnitude is determined. A complete set of equations is presented, which suffices to solve the problem of motion of viscous compressible and charged fluid in the gravitational and electromagnetic fields.

29 pages

Keywords

acceleration field, pressure field, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Physics - Fluid Dynamics, Navier-Stokes equation, Navier-Stokes equation; Dissipation field; Acceleration field; Pressure field; Viscosity, viscosity, dissipation field

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