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Validation of a radiative transfer model with measurements of UV Radiation inside a commercial aircraft

Meerkötter, Ralf and Schennetten, Kai (2020) Validation of a radiative transfer model with measurements of UV Radiation inside a commercial aircraft. Journal of Radiological Protection, 40 (1), pp. 181-196. Institute of Physics (IOP) Publishing. doi: 10.1088/1361-6498/ab5153. ISSN 0952-4746.

[img] PDF - Postprint version (accepted manuscript)

Official URL: https://www.ncbi.nlm.nih.gov/pubmed/31652426


A radiative transfer model for the determination of UV radiation on arbitrarily oriented surfaces is validated by spectral measurements taken directly on the inner surface of a cockpit window of an Airbus A321-231 during a flight from Frankfurt, Germany to Málaga, Spain on 23 August, 2018. The simulations consider the UV spectral range from 290 nm to 400 nm and take into account both the measured spectral transmittance of a cockpit window as well as its construction-related orientation. Comparisons are performed for selected route segments with largely cloud-free conditions. The cruising level of the Airbus on these segments was nearly constant between 11.27 km and 11.29 km. UV irradiance measurements at the cockpit window give values within a range of 19 W/m2 and 26 W/m2. The comparison of modelled and measured irradiances show a very good agreement, i.e. the relative differences between simulated and measured values range from -2.1 % to +4.3 %. In addition, horizontally and vertically oriented sensors are simulated for the same flight. The validation results generally underpin the application potential of the model. As an example of this, UV irradiances incident on differently oriented surfaces, as could occur inside and outside of a future flying taxi on a short-haul flight between Munich and Augsburg at low cruising level, are shown.

Item URL in elib:https://elib.dlr.de/130687/
Document Type:Article
Title:Validation of a radiative transfer model with measurements of UV Radiation inside a commercial aircraft
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Meerkötter, RalfDLR, IPAhttps://orcid.org/0000-0002-3313-9901UNSPECIFIED
Schennetten, KaiDLR, MEhttps://orcid.org/0000-0001-7342-1576UNSPECIFIED
Date:9 January 2020
Journal or Publication Title:Journal of Radiological Protection
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 181-196
Publisher:Institute of Physics (IOP) Publishing
Keywords:UV radiation, Airbus cockpit, measurements, radiative transfer calculations, oriented surfaces, model validation, future transport vehicles
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Human factors and safety in Aeronautics (old)
Location: Köln-Porz , Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Cloud Physics
Institute of Aerospace Medicine > Radiation Biology
Deposited By: Meerkötter, Dr.rer.nat. Ralf
Deposited On:20 Nov 2019 07:24
Last Modified:24 Oct 2023 11:27

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