Workshops > 2010 Tutorial School on Fluid Dynamics: Topics in Turbulence

2010 Tutorial School on Fluid Dynamics: Topics in Turbulence

Experimental Methods I

Kenneth Kiger & James Wallace, University of Maryland
Outline:  

Why do we perform experiments?
Hot-wire and hot-film anemometry

  • forced convection cooling
  • effective cooling velocity
  • multi-sensor probes
  • velocity vector and velocity gradient tensor measurements
  • Taylor's frozen turbulence hypothesis
  • constant-current operation
  • constant-temperature operation
  • calibration
Laser-Doppler anemometry (LDA)
  • light propagation and interference
  • Doppler shift
  • instrument configurations
  • post-processing