The standard of a completely described experiment for CFD validation is demonstrated by using experimental and numerical models of swirling jets as an example. The experiment is designed to contain relevant physics (e.g. swirl) but without regard for generality or direct scaling to realistic geometries. Also, the design allows for direct measurement of the inflow (mean and statistics). The swirling jets experience vortex breakdown, have non-symmetric inlet profiles, and have Reynolds numbers of 3650, 2560, and 550 with Rossby numbers of 0.63, 0.59, and 0.73 respectively. The two larger Re cases resulted in turbulent flow inside the jet conduit upstream. All of the jets became turbulent rapidly after leaving the exit. It is demonstrated that the numerical simulations will provide more accurate results when the inlet conditions of these non-symmetric swirling jets are fully described.
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ASME 2009 Fluids Engineering Division Summer Meeting
August 2–6, 2009
Vail, Colorado, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4372-7
PROCEEDINGS PAPER
A Non-Symmetrical Swirling Jet as an Example of a Completely Described Assessment Experiment Available to Purchase
Brandon M. Wilson,
Brandon M. Wilson
Utah State University, Logan, UT
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Barton L. Smith,
Barton L. Smith
Utah State University, Logan, UT
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Robert Spall,
Robert Spall
Utah State University, Logan, UT
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Hugh M. McIlroy, Jr.
Hugh M. McIlroy, Jr.
Idaho National Laboratory, Idaho Falls, ID
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Brandon M. Wilson
Utah State University, Logan, UT
Barton L. Smith
Utah State University, Logan, UT
Robert Spall
Utah State University, Logan, UT
Hugh M. McIlroy, Jr.
Idaho National Laboratory, Idaho Falls, ID
Paper No:
FEDSM2009-78386, pp. 2057-2069; 13 pages
Published Online:
July 26, 2010
Citation
Wilson, BM, Smith, BL, Spall, R, & McIlroy, HM, Jr. "A Non-Symmetrical Swirling Jet as an Example of a Completely Described Assessment Experiment." Proceedings of the ASME 2009 Fluids Engineering Division Summer Meeting. Volume 1: Symposia, Parts A, B and C. Vail, Colorado, USA. August 2–6, 2009. pp. 2057-2069. ASME. https://doi.org/10.1115/FEDSM2009-78386
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