Abstract The purpose of heating or cooling systems is to provide an acceptable microclimate and maintain suitable conditions for the intended use of the space. Airliner cabins, however, present different design and operation challenges because of the extreme external environmental conditions, the complexity of the operational systems and the diverse authorities that govern such environments. The environmental quality of a space is determined by the occupant's response to various environmental stimuli and his integration of these inputs into a comfort and health response. Most thermal comfort studies have dealt with a homogeneous population with similar physical characteristics (neither ill nor old). The concept of comfort to meet the requirements of the elderly and the new health metric called the disability-adjusted life year (DALY) are introduced. This contribution reviews environmental requirements such as ventilation, relative humidity, carbon dioxide concentrations, ozone and pressure as expressed in relevant guidelines and standards that are applicable to air quality in air cabins. Further, the health effects associated with environmental exposures organized by level of concern are discussed. Based on existing data, it is concluded that at cruise altitude the pollutant of primary concern is ozone (O3). Ozone standards are not regularly met. Carbon monoxide and particulate matter concentrations appear to be lower than health-based standards for ambient air, while VOC and SVOC appear to be present in similar concentrations as in other transportation vehicles.


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    Title :

    Aircraft Cabin Indoor Air Environment Requirements


    Contributors:


    Publication date :

    2005-01-01


    Size :

    31 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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