Dual-plane PIV investigation of acoustically excited jets in a swirl nozzle

Regunath, Gavita S.; Zimmerman, William B.; Rees, Julia M.

doi:https://doi.org/10.5194/npg-23-83-2016

Articles | Volume 23, issue 2

https://doi.org/10.5194/npg-23-83-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Complex environmental and geophysical turbulence

https://doi.org/10.5194/npg-23-83-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 23, issue 2

Research article

|

04 Apr 2016

Research article |

| 04 Apr 2016

Dual-plane PIV investigation of acoustically excited jets in a swirl nozzle

Gavita S. Regunath, William B. Zimmerman, and Julia M. Rees

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Cumulative views and downloads (calculated since 04 Sep 2015)

Month	HTML	PDF	XML	Total
Sep 2015	23	84	29	136
Oct 2015	20	12	3	35
Nov 2015	5	5	1	11
Dec 2015	3	8	0	11
Jan 2016	89	9	1	99
Feb 2016	5	8	0	13
Mar 2016	10	6	1	17
Apr 2016	87	26	0	113
May 2016	53	5	0	58
Jun 2016	10	3	0	13
Jul 2016	14	7	2	23
Aug 2016	8	8	0	16
Sep 2016	13	6	0	19
Oct 2016	8	3	2	13
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Feb 2017	11	5	3	19
Mar 2017	35	9	5	49
Apr 2017	31	12	2	45
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Jun 2017	28	4	1	33
Jul 2017	14	8	1	23
Aug 2017	13	7	1	21
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Mar 2018	18	9	3	30
Apr 2018	21	8	6	35
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Cited

Latest update: 23 Nov 2024

Short summary

Helical structures are commonplace in geophysical flows, but their effect on turbulence is still enigmatic. A novel PIV laser technique has been used to analyze helical structures in a turbulent swirling jet where the underlying shear flow is subjected to external acoustic forcing. Although the acoustic excitation had an effect on the flow field, no evidence for the existence of large-scale helical structures with maximal helicity was found.

Dual-plane PIV investigation of acoustically excited jets in a swirl nozzle

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1 citations as recorded by crossref.

1 citations as recorded by crossref.