TRAINING OF WIND SPEED CALIBRATION

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How it works: Measure pressure differential in two different locations •Pitot tubes are still routinely used for flow Measurements •Based on differential pressure measurement •Provide the reference for flow measurement •Two general types – L type (also the ellipsoidal tipped E-Type) – S type Pitot-static tube 24/10
– A pair of concentric tubes Pitot-static tube – Stagnation port is a blunt obstacle to airflow (drag coefficient is unity) – Static port is located at a point far enough back along the tube to have no dynamic flow effects at all – Must be oriented into the airflow – Ideal for wind tunnels (reliable and cheap) – Usually it requires a controlled environment for operation – Not good at under 1 m/s, designed to measure very high wind speeds – Choising manometer is very important – It must be keep upright and maximal inclination must be 5 degree 25/10
Page 1 and 2: REPUBLIC OF TURKEY MINISTRY OF ENVI
Page 3 and 4: Introduction of Wind Speed Calibrat
Page 5 and 6: Wind Speed Calibration Laboratory W
Page 7 and 8: Furness Control FCO510 Micromanomet
Page 9 and 10: Devices of the Wind Speed Calibrati
Page 11 and 12: Parts of wind tunnel 11/10
Page 13 and 14: Open Jet Closed Jet 13/10
Page 15 and 16: Air flow measurement 15/10
Page 17 and 18: Air Flow Measurement 17/10
Page 19 and 20: 19/10
Page 21 and 22: Schematic display of LDA 21/10
Page 23: Pitot-static tube 23/10
Page 27 and 28: Differential Pressure Equation •P
Page 29 and 30: Air Flow Measurement 29/10
Page 31 and 32: How it works: Sonic anemometers Mea
Page 33 and 34: Basics of uncertainty 33/10
Page 35 and 36: Source of Uncertainties • Uncerta
Page 37 and 38: Evaluation of standard uncertainty
Page 39 and 40: Basics of uncertainty Vurgulanması
Page 41 and 42: Calibration Certificate 41/10
Page 43 and 44: The calibration certificate -page 1
Page 45 and 46: Flow profile Homogeneity test Immer
Page 47 and 48: Finding flow profile The flow profi
Page 49 and 50: The influence of immersion depth
Page 51 and 52: immersion depth:50 mm from the frin
Page 53 and 54: immersion depth:127 mm from the fri
Page 55 and 56: immersion depth:205 mm from the fri
Page 57 and 58: The influence of immersion depth 57
Page 59 and 60: The blockage effect What happens in
Page 61 and 62: A sample of simulation 61/10
Page 63 and 64: Placement of reference/test sensor
Page 65 and 66: Appreciate the WMO standards for wi
Page 67 and 68: WMO commendation Required measureme

TRAINING OF WIND SPEED CALIBRATION

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