Experimental investigation of the infrared extinction limitations for vapor concentration measurement in a gas/particle flow

V. Bodoc (1) , D. Voicu (1)

1 ONERA - The French Aerospace Lab [Toulouse]

A two-wavelength Infrared Absorption technique is applied on a gas/particle flow to investigate its behaviour in a reduced-scale environment. First, a brief introduction in the theory of Infrared absorption is done and the experimental setup is presented. Then, the results are presented and discussed for different scenarios. The reported results prove the general aptitude of the technique to be applied in the presence of particles of different concentration and sizes. The sources of error are analyzed and solutions to refine the results are presented.

Keywords: LIGHT SCATTERING; VAPOR MOLAR CONCENTRATION; INFRARED ABSORPTION; LASER BEAM

Domains: Engineering Sciences [physics]; Mechanics [physics.med-ph]; Fluids mechanics [physics.class-ph]

V. Bodoc, D. Voicu. Experimental investigation of the infrared extinction limitations for vapor concentration measurement in a gas/particle flow. 17th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Jul 2014, LISBONNE, Portugal. ⟨hal-01079181⟩