Comparison of molecular tagging velocimetry data and DSMC simulation in supersonic micro jet flows

W. R. Lempert, M. Boehm, N. Jiang, S. F. Gimelshein, D. A. Levin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present results of a combined experimental - computational study of free jet flow produced by a 1 mm (height) × 5 mm (span) nominally Mach 2 supersonic jet. Twodimensional maps of ux, the component of velocity parallel to the principal flow axis, are obtained experimentally, by acetone Molecular Tagging Velocimetry, and computationally, by the Direct Simulation Monte Carlo method, at a stagnation pressure and temperature of ten torr and 300 K, respectively. In all cases, direct comparison of the experimental data and the predictions from DSMC showed excellent agreement, with only minor deviations which, in most cases, can be ascribed to either the inherent uncertainty in the MTV or small uncertainties in the measured wall pressures.

Original languageEnglish (US)
Title of host publication32nd AIAA Fluid Dynamics Conference and Exhibit
StatePublished - Dec 1 2002
Externally publishedYes
Event32nd AIAA Fluid Dynamics Conference and Exhibit 2002 - St. Louis, MO, United States
Duration: Jun 24 2002Jun 26 2002

Publication series

Name32nd AIAA Fluid Dynamics Conference and Exhibit

Other

Other32nd AIAA Fluid Dynamics Conference and Exhibit 2002
CountryUnited States
CitySt. Louis, MO
Period6/24/026/26/02

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ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Aerospace Engineering

Cite this

Lempert, W. R., Boehm, M., Jiang, N., Gimelshein, S. F., & Levin, D. A. (2002). Comparison of molecular tagging velocimetry data and DSMC simulation in supersonic micro jet flows. In 32nd AIAA Fluid Dynamics Conference and Exhibit (32nd AIAA Fluid Dynamics Conference and Exhibit).