title: Simultaneous three-dimensional velocimetry and thermometry in gaseous flows using the stereoscopic vibrationally excited nitric oxide monitoring technique.
abstract: We present a demonstration of the simultaneous measurement of spatially resolved three-component velocity and temperature in gaseous flow fields using a variant of the vibrationally excited nitric oxide monitoring (VENOM) technique, based on planar laser induced fluorescence and molecular tagging velocimetry methods. Three-component velocity determinations were derived from two-dimensional molecular tagging velocity measurements employing sequential fluorescence image pairs obtained simultaneously by two cameras in stereoscopic configuration. Probing two different rotational states of nitric oxide (X2∏, υ''=1), produced via fluorescence and collisional quenching from initial excitation to the A Σ+2 state, for the sequential velocimetry images allows simultaneous determination of the temperature field. Experimental measurements of velocity and temperature across an oblique shock result in mean values within 21 m/s for the three components of velocity and 20 K for planar temperature when compared to oblique shock calculations.
authors.forename: Feng
authors.initials: F
authors.lastname: Pan
authors.forename: Rodrigo
authors.initials: R
authors.lastname: Sánchez-González
authors.forename: Madison H
authors.initials: MH
authors.lastname: McIlvoy
authors.forename: Rodney D W
authors.initials: RD
authors.lastname: Bowersox
authors.forename: Simon W
authors.initials: SW
authors.lastname: North