Occupant evaluation of 7-hour exposures in a simulated aircraft cabin - Part 1: Optimum balance between fresh air supply and humidity

Peter Strøm-Tejsen, David Peter Wyon, Love Per Lagercrantz, Lei Fang

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Low humidity in the aircraft cabin environment has been identified as a possible cause of symptoms experienced during long flights. A mock-up of a 21-seat section of an aircraft cabin with realistic pollution sources was built inside a climate chamber, capable of providing fresh outside air at very low humidity. Experiments simulating 7-hour transatlantic flights were car-ried out at four outside air supply rates - 1.4, 3.3, 4.7 and 9.4 L/s per person (3, 7, 10 and 20 cfm/p) - yielding average humidity levels of 28%, 16%, 11% and 7% RH, respectively. Four groups of 16-18 subjects were exposed to the four conditions. The subjects completed ques-tionnaires to provide subjective assessments of symptoms commonly experienced during flights. Increasing humidity to 28% RH by reducing outside air supply rate did not reduce the intensity of the symptoms typical of the aircraft cabin environment, and intensified headache, dizziness and claustrophobia.
Original languageEnglish
Title of host publicationProceedings of the 10th International Conference on Indoor Air Quality and Climate - Indoor Air 2005
Volume1.1
Place of PublicationBeijing
PublisherTsinghua University Press
Publication date2005
Pages40-45
ISBN (Print)78-94-94830-6
Publication statusPublished - 2005
Event10th International Conference on Indoor Air Quality and Climate - Beijing, China
Duration: 4 Sep 20059 Sep 2005
Conference number: 10

Conference

Conference10th International Conference on Indoor Air Quality and Climate
Number10
CountryChina
CityBeijing
Period04/09/200509/09/2005

Cite this

Strøm-Tejsen, P., Wyon, D. P., Lagercrantz, L. P., & Fang, L. (2005). Occupant evaluation of 7-hour exposures in a simulated aircraft cabin - Part 1: Optimum balance between fresh air supply and humidity. In Proceedings of the 10th International Conference on Indoor Air Quality and Climate - Indoor Air 2005 (Vol. 1.1, pp. 40-45). Tsinghua University Press.