A study on the aerodynamic instability of attenuating liquid sheets
A study on the aerodynamic instability of attenuating liquid sheets
We describe the characteristics of a radially spreading unstable liquid sheet in quiescent air via optical measurement techniques and linear instability theory. A high speed CCD camera system and a complimentary laser refraction method were employed to measure the intact sheet diameter, unstable wave lengths, wave speed, wave frequency spectrum and spatial wave growth rates. Linear instability models for thinning, viscous and inviscid liquid sheets, which are available from the literature, allow for a comparison of experimental data and predicted sheet behaviour. The last section evaluates the differences and similarities between the current liquid sheet experiment and industrial spray applications such as fuel atomisation via pressure-swirl nozzles.
241-258
Lienemann, Holger
718094b2-85ac-42a5-a85c-5e8930440a0f
Shrimpton, John
9cf82d2e-2f00-4ddf-bd19-9aff443784af
Fernandes, Edgar
820991ad-b2e8-40a0-b7f0-bf1c71a042a3
February 2007
Lienemann, Holger
718094b2-85ac-42a5-a85c-5e8930440a0f
Shrimpton, John
9cf82d2e-2f00-4ddf-bd19-9aff443784af
Fernandes, Edgar
820991ad-b2e8-40a0-b7f0-bf1c71a042a3
Lienemann, Holger, Shrimpton, John and Fernandes, Edgar
(2007)
A study on the aerodynamic instability of attenuating liquid sheets.
Experiments in Fluids, 42 (2), .
(doi:10.1007/s00348-006-0234-6).
Abstract
We describe the characteristics of a radially spreading unstable liquid sheet in quiescent air via optical measurement techniques and linear instability theory. A high speed CCD camera system and a complimentary laser refraction method were employed to measure the intact sheet diameter, unstable wave lengths, wave speed, wave frequency spectrum and spatial wave growth rates. Linear instability models for thinning, viscous and inviscid liquid sheets, which are available from the literature, allow for a comparison of experimental data and predicted sheet behaviour. The last section evaluates the differences and similarities between the current liquid sheet experiment and industrial spray applications such as fuel atomisation via pressure-swirl nozzles.
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Published date: February 2007
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Local EPrints ID: 64562
URI: http://eprints.soton.ac.uk/id/eprint/64562
ISSN: 0723-4864
PURE UUID: f2c8f296-49df-423e-8193-9e6d17ebe83e
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Date deposited: 08 Jan 2009
Last modified: 15 Mar 2024 11:55
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Author:
Holger Lienemann
Author:
Edgar Fernandes
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