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Technical note: A new method for the evaluation of puff dispersion field experiments for the validation of time-resolved dispersion simulations

Technical note: A new method for the evaluation of puff dispersion field experiments for the validation of time-resolved dispersion simulations
Technical note: A new method for the evaluation of puff dispersion field experiments for the validation of time-resolved dispersion simulations

We present a new method for the evaluation of field measurements of atmospheric dispersion at the smallest resolvable time scales. Our method has its origins in the distance-neighbour functions defined by Richardson as well as the auto correlations, spatial correlations and cross correlations commonly used in the turbulence community. We show that a robust quantification of the puff duration can be achieved, which is comparable to the puff duration derived by a dosage-based approach. The new method gives reasonable results without the need to apply thresholds when the concentration measurement is very noisy, which is very advantageous in the context of field measurements.

Atmospheric dispersion, Instantaneous release, Puff, Turbulent diffusion, Validation
1352-2310
171-176
Wittemeier, Thorsten
7389419e-de70-4f43-84f6-823d5827bc72
Foat, Timothy G.
eddebff8-0a58-4a9a-a2ec-45563e965245
Herring, Steven
15f891b4-1a9e-4ac8-af74-ce4158274451
Shrimpton, John S.
9cf82d2e-2f00-4ddf-bd19-9aff443784af
Xie, Zheng-Tong
98ced75d-5617-4c2d-b20f-7038c54f4ff0
Wittemeier, Thorsten
7389419e-de70-4f43-84f6-823d5827bc72
Foat, Timothy G.
eddebff8-0a58-4a9a-a2ec-45563e965245
Herring, Steven
15f891b4-1a9e-4ac8-af74-ce4158274451
Shrimpton, John S.
9cf82d2e-2f00-4ddf-bd19-9aff443784af
Xie, Zheng-Tong
98ced75d-5617-4c2d-b20f-7038c54f4ff0

Wittemeier, Thorsten, Foat, Timothy G., Herring, Steven, Shrimpton, John S. and Xie, Zheng-Tong (2019) Technical note: A new method for the evaluation of puff dispersion field experiments for the validation of time-resolved dispersion simulations. Atmospheric Environment, 210, 171-176. (doi:10.1016/j.atmosenv.2019.04.033).

Record type: Article

Abstract

We present a new method for the evaluation of field measurements of atmospheric dispersion at the smallest resolvable time scales. Our method has its origins in the distance-neighbour functions defined by Richardson as well as the auto correlations, spatial correlations and cross correlations commonly used in the turbulence community. We show that a robust quantification of the puff duration can be achieved, which is comparable to the puff duration derived by a dosage-based approach. The new method gives reasonable results without the need to apply thresholds when the concentration measurement is very noisy, which is very advantageous in the context of field measurements.

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More information

Accepted/In Press date: 13 April 2019
e-pub ahead of print date: 22 April 2019
Published date: 1 August 2019
Additional Information: © 2019 Elsevier Ltd. All rights reserved.
Keywords: Atmospheric dispersion, Instantaneous release, Puff, Turbulent diffusion, Validation

Identifiers

Local EPrints ID: 432798
URI: http://eprints.soton.ac.uk/id/eprint/432798
ISSN: 1352-2310
PURE UUID: aeabafa3-6d2d-4036-9281-d5c86b97a76b
ORCID for Thorsten Wittemeier: ORCID iD orcid.org/0000-0002-6207-8255
ORCID for Timothy G. Foat: ORCID iD orcid.org/0000-0001-7514-9385
ORCID for Zheng-Tong Xie: ORCID iD orcid.org/0000-0002-8119-7532

Catalogue record

Date deposited: 26 Jul 2019 16:30
Last modified: 06 Jun 2024 01:42

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Contributors

Author: Thorsten Wittemeier ORCID iD
Author: Timothy G. Foat ORCID iD
Author: Steven Herring
Author: Zheng-Tong Xie ORCID iD

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