Refractive-Index-Matching Laser Velocimetry (RIMLV) obtains velocity distributions inflow through complex geometries. Laser velocimetry is used to measure the flow of a constant-temperature mixture that has the refractive index of acrylic models. This mixture can be used to obtain duct Reynolds numbers in the turbulent regime at moderate expense. Measurements can be obtained at desired locations, specifically inside complex models even if laser beams pass through multiple curved surfaces, which is advantageous when comparing measured and calculated results.

Issue Section:
Technical Briefs
Topics:
Flow (Dynamics), Laser velocimetry, Ducts, Inflow, Laser beams, Refractive index, Reynolds number, Temperature, Turbulence
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