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Analysis of vortical structures in intermittent jets

Nygård, Alexander; Altimira, Mireia LU ; Semlitsch, Bernhard; Wittberg, Lisa Prahl and Fuchs, Laszlo LU (2016) The International Conference on Jets, Wakes and Separated Flows (ICJWSF2015) In Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015 185. p.3-10
Abstract

The manipulation of jets has since long been subject to research, due to the wide range of industrial applications in which they are used. A vast number of numerical and experimental studies concerning the physics of the breakup process of continuous jets have been published. Improvements in mixing and ambient gas entrainment have been reported experimentally when using intermittent injection, although the responsible mechanisms have not yet been completely revealed. This work presents a systematic analysis of the mechanisms of jet breakup and mixing with the surrounding fluid and its relation to vorticity generation and transport. Comparisons aremade between the redistribution of vorticity and the engulfment of ambient fluid into the... (More)

The manipulation of jets has since long been subject to research, due to the wide range of industrial applications in which they are used. A vast number of numerical and experimental studies concerning the physics of the breakup process of continuous jets have been published. Improvements in mixing and ambient gas entrainment have been reported experimentally when using intermittent injection, although the responsible mechanisms have not yet been completely revealed. This work presents a systematic analysis of the mechanisms of jet breakup and mixing with the surrounding fluid and its relation to vorticity generation and transport. Comparisons aremade between the redistribution of vorticity and the engulfment of ambient fluid into the core region for different injection strategies.

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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
in
Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015
volume
185
pages
8 pages
publisher
Springer Science and Business Media, LLC
conference name
The International Conference on Jets, Wakes and Separated Flows (ICJWSF2015)
external identifiers
  • scopus:84978998403
  • wos:000387431400001
ISBN
9783319306001
DOI
10.1007/978-3-319-30602-5_1
language
English
LU publication?
yes
id
e2f330dc-4ae9-48a7-88b5-08faa1e77e90
date added to LUP
2017-02-16 14:30:43
date last changed
2017-09-18 11:33:02
@inproceedings{e2f330dc-4ae9-48a7-88b5-08faa1e77e90,
  abstract     = {<p>The manipulation of jets has since long been subject to research, due to the wide range of industrial applications in which they are used. A vast number of numerical and experimental studies concerning the physics of the breakup process of continuous jets have been published. Improvements in mixing and ambient gas entrainment have been reported experimentally when using intermittent injection, although the responsible mechanisms have not yet been completely revealed. This work presents a systematic analysis of the mechanisms of jet breakup and mixing with the surrounding fluid and its relation to vorticity generation and transport. Comparisons aremade between the redistribution of vorticity and the engulfment of ambient fluid into the core region for different injection strategies.</p>},
  author       = {Nygård, Alexander and Altimira, Mireia and Semlitsch, Bernhard and Wittberg, Lisa Prahl and Fuchs, Laszlo},
  booktitle    = {Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015},
  isbn         = {9783319306001},
  language     = {eng},
  pages        = {3--10},
  publisher    = {Springer Science and Business Media, LLC},
  title        = {Analysis of vortical structures in intermittent jets},
  url          = {http://dx.doi.org/10.1007/978-3-319-30602-5_1},
  volume       = {185},
  year         = {2016},
}