Cryogenic Sampling of the Airborne Laser Laboratory.

Abstract

Cabin air sampling was conducted in the Airborne Laser Laboratory aircraft to characterize the environment prior to installation of a permanent onboard, gas analysis and detection system (GADS). The objective of the study was to identify contaminants which might interfere with the GADS mass spectrometer during routine sampling. This report describes the cryogenic sampling and analytical procedures used to concentrate and identify the cabin air contaminants. The principal identified contaminant was dichlorodifluoromethane (R-12) which is used in the modified KC-135A aircraft cooling system. The low concentration of hydrocarbons observed in the cabin environment indicates that the mass spectrometer will encounter minimal interference under normal operating conditions. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1977
Accession Number
ADA047631

Entities

People

  • Charles L. Martin
  • James P. Conkle
  • Richard L. Miller
  • William W. Lackey

Organizations

  • United States Air Force School of Aerospace Medicine

Tags

Communities of Interest

  • Air Platforms
  • Biomedical
  • Space

DTIC Thesaurus Topics

  • Aerospace Medicine
  • Air Force
  • Aircraft Cabins
  • Aircrafts
  • Alkanes
  • Atmospheres
  • Construction Materials
  • Cooling
  • Detection
  • Engines
  • Environment
  • Environmental Pollutants
  • Ethers
  • Hydrocarbons
  • Mass Spectrometers
  • Spectrometers
  • Turbines

Readers

  • Aerosol Science/Aerosol Physics
  • Fire Suppression Systems Design.
  • Groundwater Contamination Remediation.

Technology Areas

  • Directed Energy