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Schumann, Ulrich and Schlager, Hans and Arnold, Frank and Baumann, Robert and Haschberger, Peter and Klemm, O. (1998) Dilution of Aircraft Exhaust Plumes at Cruise Altitudes. Atmospheric Environment, 32 (18), pp. 3097-3103. Elsevier. DOI: 10.1016/S1352-2310(97)00455-X ISSN 1352-2310
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Official URL: http://www.elsevier.com/wps/find/journaldescription.cws_home/246/description#description
Abstract
The dilution of jet engine exhaust in the plume behind cruising aircraft is determined from measured plume properties. The data set includes in situ measurements of CO<sub>2</sub>, NO, NO<sub>y</sub>, SO<sub>2</sub>, H<sub>2</sub>O, temperature, and contrail diameters behind subsonic and supersonic aircraft in the upper troposphere and lower stratosphere, for plume ages of seconds to hours. The set of data is extended into the range of milliseconds based on computations and measured temperature values. The bulk plume dilution is expressed in terms of the dilution ratio N which is the mass of air with which the exhaust from a unit mass of burned fuel mixes. For: 0.006 s ‹ t ‹ 10<sup>4</sup> s, the bulk dilution ratio measured in more than 70 plume encounters follows approximately N=7000 (t/t<sub>0</sub>)<sup>0.8</sup>, t<sub>0</sub>=1 s.
| Item URL in elib: | https://elib.dlr.de/8918/ | |||||||||||||||||||||
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| Document Type: | Article | |||||||||||||||||||||
| Title: | Dilution of Aircraft Exhaust Plumes at Cruise Altitudes | |||||||||||||||||||||
| Authors: |
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| Date: | 1998 | |||||||||||||||||||||
| Journal or Publication Title: | Atmospheric Environment | |||||||||||||||||||||
| Refereed publication: | Yes | |||||||||||||||||||||
| Open Access: | Yes | |||||||||||||||||||||
| Gold Open Access: | No | |||||||||||||||||||||
| In SCOPUS: | Yes | |||||||||||||||||||||
| In ISI Web of Science: | Yes | |||||||||||||||||||||
| Volume: | 32 | |||||||||||||||||||||
| DOI : | 10.1016/S1352-2310(97)00455-X | |||||||||||||||||||||
| Page Range: | pp. 3097-3103 | |||||||||||||||||||||
| Publisher: | Elsevier | |||||||||||||||||||||
| ISSN: | 1352-2310 | |||||||||||||||||||||
| Status: | Published | |||||||||||||||||||||
| Keywords: | tropopause region, mixing, dispersion, aircraft emissions, jet, contrail | |||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||||||||||||||
| HGF - Program: | Aeronautics | |||||||||||||||||||||
| HGF - Program Themes: | L VU - Air Traffic and Environment (old) | |||||||||||||||||||||
| DLR - Research area: | Aeronautics | |||||||||||||||||||||
| DLR - Program: | L VU - Air Traffic and Environment | |||||||||||||||||||||
| DLR - Research theme (Project): | L - Wake Vortices (old) | |||||||||||||||||||||
| Location: | Oberpfaffenhofen | |||||||||||||||||||||
| Institutes and Institutions: | Institute of Atmospheric Physics Institut für Optoelektronik | |||||||||||||||||||||
| Deposited By: | DLR-Beauftragter, elib | |||||||||||||||||||||
| Deposited On: | 25 Jan 2008 | |||||||||||||||||||||
| Last Modified: | 08 Jul 2020 12:56 |
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