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Experiments in Fluids
Erschienen in: Experiments in Fluids 3/2003

01.03.2003

Comparison of molecular tagging velocimetry data and direct simulation Monte Carlo simulations in supersonic micro jet flows

verfasst von: W. R. Lempert, M. Boehm, N. Jiang, S. Gimelshein, D. Levin

Erschienen in: Experiments in Fluids | Ausgabe 3/2003

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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. Two-dimensional maps of u x , the component of velocity parallel to the principal flow axis, are obtained experimentally, by acetone molecular tagging velocimetry (MTV), and computationally, by the direct simulation Monte Carlo (DSMC) method, at a stagnation pressure and temperature of 10 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.
Vorheriger Artikel Time-dependent drag reduction and ageing in aqueous solutions of a cationic surfactant
Nächster Artikel Experimental study of the stability of long axisymmetric liquid bridges between solid supports at different temperatures

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Literatur
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Metadaten
Titel
Comparison of molecular tagging velocimetry data and direct simulation Monte Carlo simulations in supersonic micro jet flows
verfasst von
W. R. Lempert
M. Boehm
N. Jiang
S. Gimelshein
D. Levin
Publikationsdatum
01.03.2003
Verlag
Springer-Verlag
Erschienen in
Experiments in Fluids / Ausgabe 3/2003
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-002-0576-7

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