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Fluid dynamics. Introduction Nikolai Kornev University of Rostock Vorlesung 1 6 April 2017 1/12
Fluid dynamics. Introduction
Nikolai KornevUniversity of Rostock
Vorlesung 1 6 April 2017 1/12
Hoverwing HW-20
Vorlesung 1 7 April 2017
Vorlesungsplan
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Classification of flows
Hoverwing HW-20
Vorlesung 1 7 April 2017 3/12
• Two and three dimensional flows• Steady and unsteady flows • Streamlines• Fluid particle trajectory• Viscous and inviscid flows
Viscosity of water and flow
Hoverwing HW-20
Vorlesung 1 7 April 2017 4/12
Viscosity of air Viscosity of water
Viscous flows. Main equations.
Hoverwing HW-20
Vorlesung 1 7 April 2017 5/12
Continuity equation
Navier Stokes equation
Navier Stokes equation
Navier Stokes equation
Analysis of acceleration
Inviscid flows. Euler equation.
Hoverwing HW-20
Vorlesung 1 7 April 2017 6/12
Continuity equation
Euler equation
Euler equation
Euler equation
Potential flows. Euler equation.
Hoverwing HW-20
Vorlesung 1 7 April 2017 7/12
Continuity equation
Inviscid flowsIrrotational flows
Laplace equation
Boundary conditions for Laplace equation:• No penetration condition• Decay at infinity
Bernoulli equation.
Hoverwing HW-20
Vorlesung 1 7 April 2017 8/12
Derivation of Bernoulli equation.
Physical meaning of each terms.
Extension to viscous flows.
Pressure coefficient Cp.
Vorlesung 1 6 April 2017 9/12
Cp distribution on cylinder.
Vorlesung 1 6 April 2017 10/12
Pitot tube.3621728.jpgMG-8493-1.jpg
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Pitot tube.
Hoverwing HW-20
Vorlesung 1 6 April 2017
Thank you very much for your attention!
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