Observation of the development of secondary features in a Richtmyer–Meshkov instability driven flow

Bernard, Tennille; Truman, C. Randall; Vorobieff, Peter; Corbin, Clint; Wayne, Patrick J.; Kuehner, Garrett; Anderson, Michael; Kumar, Sanjay

doi:10.1115/1.4027829

Title: Observation of the development of secondary features in a Richtmyer–Meshkov instability driven flow

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Abstract

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. Furthermore, 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).

Authors:

Bernard, Tennille ^[1]; Truman, C. Randall ^[1]; Vorobieff, Peter ^[1]; Corbin, Clint ^[1]; Wayne, Patrick J. ^[1]; Kuehner, Garrett ^[1]; Anderson, Michael ^[2]; Kumar, Sanjay ^[3]

Univ. of New Mexico, Albuquerque, NM (United States)
Illinois Rocstar, LLC, Champaign, IL (United States)
Univ. of Texas, Brownsville, TX (United States)

Publication Date:: Wed Sep 10 00:00:00 EDT 2014

Research Org.:: Univ. of New Mexico, Albuquerque, NM (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1329481

Alternate Identifier(s):: OSTI ID: 1339162

Grant/Contract Number:: FG52-10NA29648; NA0002220

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Fluids Engineering

Additional Journal Information:: Journal Volume: 137; Journal Issue: 1; Journal ID: ISSN 0098-2202

Publisher:: American Association of Mechanical Engineers (ASME)

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; drops; shock (mechanics); flow (dynamics); Mach number; visualization; vortices; shock waves, experiment

Citation Formats


                    Bernard, Tennille, Truman, C. Randall, Vorobieff, Peter, Corbin, Clint, Wayne, Patrick J., Kuehner, Garrett, Anderson, Michael, and Kumar, Sanjay. Observation of the development of secondary features in a Richtmyer–Meshkov instability driven flow.  United States: N. p., 2014. 
Web.  doi:10.1115/1.4027829.

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                    Bernard, Tennille, Truman, C. Randall, Vorobieff, Peter, Corbin, Clint, Wayne, Patrick J., Kuehner, Garrett, Anderson, Michael, & Kumar, Sanjay. Observation of the development of secondary features in a Richtmyer–Meshkov instability driven flow.  United States.  https://doi.org/10.1115/1.4027829

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                    Bernard, Tennille, Truman, C. Randall, Vorobieff, Peter, Corbin, Clint, Wayne, Patrick J., Kuehner, Garrett, Anderson, Michael, and Kumar, Sanjay. Wed .  
"Observation of the development of secondary features in a Richtmyer–Meshkov instability driven flow".  United States.  https://doi.org/10.1115/1.4027829.  https://www.osti.gov/servlets/purl/1329481.

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@article{osti_1329481,

  title        = {Observation of the development of secondary features in a Richtmyer–Meshkov instability driven flow},

  author       = {Bernard, Tennille and Truman, C. Randall and Vorobieff, Peter and Corbin, Clint and Wayne, Patrick J. and Kuehner, Garrett and Anderson, Michael and Kumar, Sanjay},

  abstractNote = {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. Furthermore, 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).},

  doi          = {10.1115/1.4027829},

  journal      = {Journal of Fluids Engineering},

  number       = 1,

  volume       = 137,

  place        = {United States},

  year         = {Wed Sep 10 00:00:00 EDT 2014},

  month        = {Wed Sep 10 00:00:00 EDT 2014}

}

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