Title :
Processing time series data (velocity, shear stress) from the pulse width modulated-constant temperature anemometer (PWM-CTA)
Author :
Foss, J.F. ; Hicks, T.J.
Author_Institution :
Dept. of Mech. Eng., Michigan State Univ., East Lansing, MI, USA
fDate :
8/1/2001 12:00:00 AM
Abstract :
The digital output from the PWM-CTA represents the short duration (e.g., 20μsec) true time average of the analog velocity or shear stress. The developed techniques to extract the moments of the velocity (or shear stress) distribution and to create a regular time series are presented
Keywords :
analogue-digital conversion; anemometers; anemometry; calibration; digital readout; pulse width modulation; time series; PWM-constant temperature anemometer; analog velocity; digital output; extraction of moments; multiple sensor measurements; periodic output; post-acquisition processing algorithms; regular time series; regularizing strategy; shear stress; short duration true time average; single sensor measurements; transfer function; triggered comparator output; Circuits; Fluid flow measurement; Heating; Pulse width modulation; Space vector pulse width modulation; Stress; Switches; Temperature sensors; Thermal sensors; Velocity measurement;
Conference_Titel :
Instrumentation in Aerospace Simulation Facilities, 2001. 19th International Congress on ICIASF 2001
Conference_Location :
Cleveland, OH
Print_ISBN :
0-7803-7022-8
DOI :
10.1109/ICIASF.2001.960280
