1. Measurement of flow rate in a tube and wall skin friction
Prof. Václav Uruba
IT ASCR, CTU Praha, UWB Plzeň

2. Flow measurement in tubes
November 28, 2018

3. Flow measurement in tubes
Turbines, multirotor
Energy (pressure) loss
Ultrasonic principle
Coriolis
Rotameter
Vortex generation
Thermal flowmeters
November 28, 2018

4. Turbines
Axial
Radial
Flow rate  revolution speed
November 28, 2018

5. Multirotor Flowmeters
Plane
Helical
November 28, 2018

6. Energy loss
Energy loss ≈ flow rate
November 28, 2018

7. Pressure loss
Orifice Plate
Segmental Wedge
Nozzle
November 28, 2018

8. Differential pressure flowmeters
Venturi Tube
Averaging Pitot Tube
Elbow
November 28, 2018

9. Ultrasonic flowmeters
Transit Time Ultrasonic Flowmeter
Doppler Ultrasonic Flowmeters
Mean velocity
- flowrate
Velocity
profile
November 28, 2018

10. Coriolis flowmeters
Changing natural vibration
November 28, 2018

11. Rotameter
drag
gravity
November 28, 2018

12. Vortex Flowmeter
Strouhal frequency
November 28, 2018

13. Thermal Flowmeters
November 28, 2018

14. Skin friction measurement
November 28, 2018

15. Skin friction measurement
Pressure measurement
Hot film
Floating element
Oil film
Liquid crystals
November 28, 2018

16. Pressure
Preston tube
Stanton tube
Fence
November 28, 2018

17. Hot Film Probes
November 28, 2018

18. Floating Element
Flow
November 28, 2018

19. Oil Film
November 28, 2018

20. Liquid Crystals Films – not encapsulate Paints
shear-sensitive liquid crystal coating (SSLCC) - NASA Ames
November 28, 2018