1. Heat and Flow Technology I.
ÓBUDA UNIVERSITY
Heat and Flow Technology I.
Use only inside
Dr. Ferenc Szlivka
Professor
Dr. Szlivka: Heat and Flow Technology I_8

2. Friction fluid flow 8. Chapter

3. Friction fluid flow Real fluid flow along a wall
Ideal flow along a wall
Real fluid flow along a wall

4. Friction flow in a channel

5. Newton’s viscous law
Dynamic viscosity
Kinematics viscosity

6. Different fluids
Power function fluid
Bingham fluid

7. Navier-Stokes equation
Motion equation with friction terms
Continuity equation

8. Solution of Navier-Stokes equation in tube
Equilibrium of a cylinder

9. Solution of Navier-Stokes equation in tube

10. Solution of Navier-Stokes equation in tube
„l" is the length , with Dp’the pressure loss