Richtmyer–Meshkov instability (RMI) has long been the subject of interest for analytical, numerical, and experimental studies. In comparing results of experiment with numerics, it is important to understand the limitations of experimental techniques inherent in the chosen method(s) of data acquisition. We discuss results of an experiment where a laminar, gravity-driven column of heavy gas is injected into surrounding light gas and accelerated by a planar shock. A popular and well-studied method of flow visualization (using glycol droplet tracers) does not produce a flow pattern that matches the numerical model of the same conditions, while revealing the primary feature of the flow developing after shock acceleration: the pair of counter-rotating vortex columns. However, visualization using fluorescent gaseous tracer confirms the presence of features suggested by the numerics; in particular, a central spike formed due to shock focusing in the heavy-gas column. Moreover, the streamwise growth rate of the spike appears to exhibit the same scaling with Mach number as that of the counter-rotating vortex pair (CRVP).
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January 2015
Research-Article
Observation of the Development of Secondary Features in a Richtmyer–Meshkov Instability Driven Flow
Tennille Bernard,
Tennille Bernard
Department of Mechanical Engineering,
e-mail: tenncb10@unm.edu
University of New Mexico
,Albuquerque, NM 87131
e-mail: tenncb10@unm.edu
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C. Randall Truman,
C. Randall Truman
Mem. ASME
Professor
Department of Mechanical Engineering,
e-mail: truman@unm.edu
Professor
Department of Mechanical Engineering,
University of New Mexico
,Albuquerque, NM 87131
e-mail: truman@unm.edu
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Peter Vorobieff,
Peter Vorobieff
1
Mem. ASME
Professor
Department of Mechanical Engineering,
e-mail: kalmoth@unm.edu
Professor
Department of Mechanical Engineering,
University of New Mexico
,Albuquerque, NM 87131
e-mail: kalmoth@unm.edu
1Corresponding author.
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Clint Corbin,
Clint Corbin
Department of Mechanical Engineering,
e-mail: clcorbin@unm.edu
University of New Mexico
,Albuquerque, NM 87131
e-mail: clcorbin@unm.edu
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Patrick J. Wayne,
Patrick J. Wayne
Department of Mechanical Engineering,
e-mail: pwayne@unm.edu
University of New Mexico
,Albuquerque, NM 87131
e-mail: pwayne@unm.edu
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Garrett Kuehner,
Garrett Kuehner
Department of Mechanical Engineering,
e-mail: garrett.kuehner@gmail.com
University of New Mexico
,Albuquerque, NM 87131
e-mail: garrett.kuehner@gmail.com
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Sanjay Kumar
Sanjay Kumar
Associate Professor
Department of Mechanical Engineering,
e-mail: sanjay.kumar@utb.edu
Department of Mechanical Engineering,
University of Texas
, Brownsville,TX 78520
e-mail: sanjay.kumar@utb.edu
Search for other works by this author on:
Tennille Bernard
Department of Mechanical Engineering,
e-mail: tenncb10@unm.edu
University of New Mexico
,Albuquerque, NM 87131
e-mail: tenncb10@unm.edu
C. Randall Truman
Mem. ASME
Professor
Department of Mechanical Engineering,
e-mail: truman@unm.edu
Professor
Department of Mechanical Engineering,
University of New Mexico
,Albuquerque, NM 87131
e-mail: truman@unm.edu
Peter Vorobieff
Mem. ASME
Professor
Department of Mechanical Engineering,
e-mail: kalmoth@unm.edu
Professor
Department of Mechanical Engineering,
University of New Mexico
,Albuquerque, NM 87131
e-mail: kalmoth@unm.edu
Clint Corbin
Department of Mechanical Engineering,
e-mail: clcorbin@unm.edu
University of New Mexico
,Albuquerque, NM 87131
e-mail: clcorbin@unm.edu
Patrick J. Wayne
Department of Mechanical Engineering,
e-mail: pwayne@unm.edu
University of New Mexico
,Albuquerque, NM 87131
e-mail: pwayne@unm.edu
Garrett Kuehner
Department of Mechanical Engineering,
e-mail: garrett.kuehner@gmail.com
University of New Mexico
,Albuquerque, NM 87131
e-mail: garrett.kuehner@gmail.com
Michael Anderson
Sanjay Kumar
Associate Professor
Department of Mechanical Engineering,
e-mail: sanjay.kumar@utb.edu
Department of Mechanical Engineering,
University of Texas
, Brownsville,TX 78520
e-mail: sanjay.kumar@utb.edu
1Corresponding author.
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received December 31, 2013; final manuscript received June 5, 2014; published online September 10, 2014. Assoc. Editor: Samuel Paolucci.
J. Fluids Eng. Jan 2015, 137(1): 011206 (6 pages)
Published Online: September 10, 2014
Article history
Received:
December 31, 2013
Revision Received:
June 5, 2014
Citation
Bernard, T., Randall Truman, C., Vorobieff, P., Corbin, C., Wayne, P. J., Kuehner, G., Anderson, M., and Kumar, S. (September 10, 2014). "Observation of the Development of Secondary Features in a Richtmyer–Meshkov Instability Driven Flow." ASME. J. Fluids Eng. January 2015; 137(1): 011206. https://doi.org/10.1115/1.4027829
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