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Aircraft Environmental Control Systems

  • M. Dechow
  • C.A.H. NurcombeEmail author
Chapter
Part of the The Handbook of Environmental Chemistry book series (HEC, volume 4H)

Abstract

The external environment at 41000 ft (12500 m), a typical cruise altitude for modern civil aircraft, is hostile to human life. Aircraft environmental control systems are designed to ensure the survival of the aircraft occupants as well as providing them with a comfortable atmosphere. Major design drivers for the environmental control system are thermal comfort, pressurisation and cabin air quality. However, these parameters cannot be considered independently. They interact between themselves and with other parameters, which may or may not be controllable by the system designer. These interactions occur in a highly complex manner. Research has led to a good understanding of the basic functions to allow safe and comfortable aircraft environmental conditions. Future research efforts will be increasingly focussed on identifying and elaborating the interdependency of factors in order to further enhance the aircraft cabin environment.

Environmental control system Thermal comfort Cabin air quality Pressurisation Humidity control  

Abbreviations

APU

Auxiliary power unit

ASHRAE

American Society of Heating, Refrigerating and Air Conditioning Engineers

ASICA

Air management simulation for aircraft cabins

CDC

Centers for Disease Control

CFD

Computational fluid dynamics

cfm

Cubic feet per minute

CPCS

Cabin pressurisation control system

DIN

Deutsches Institut für Normung (German Standardisation Institute)

ECS

Environmental control system

FAA

Federal Aviation Administration

FACE

Friendly aircraft cabin environment

FAR

Federal Aviation Regulations

FL

Flight level

HEACE

Health effects in aircraft cabin environment

HEPA

High-efficiency particulate arrestor

IFE

In-flight entertainment

JAA

Joint Aviation Authorities

JAR

Joint Aviation Requirements

LF

Load factor

MAK

Maximale Arbeitsplatz-Konzentration (German Maximum Workplace Concentrations)

MIL

Military standard

ppm

Parts per million

RH

Relative humidity

SARS

Severe acute respiratory syndrome

SVOC

Semi-volatile organic compounds

VOC

Volatile organic compound

WHO

World Health Organisation

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Authors and Affiliations

  1. 1.Airbus Deutschland GmbHHamburgGermany

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