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Related Experiment Videos

A personal sampler for aircraft engine cold start particles: laboratory development and testing.

Alfredo Armendariz1, David Leith

  • 1Department of Environmental Sciences and Engineering, University of North Carolina, CB#7400 Chapel Hill, NC 27599-7400, USA.

AIHA Journal : a Journal for the Science of Occupational and Environmental Health and Safety
|December 17, 2003
PubMed
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This study evaluated an electrostatic precipitator (ESP) personal sampler for measuring aircraft engine cold start particles. The ESP demonstrated high efficiency and reduced artifacts, offering more accurate exposure assessments for ground crews.

Area of Science:

  • Occupational Health
  • Aerosol Science
  • Environmental Monitoring

Background:

  • U.S. Air Force industrial hygienists are concerned about personnel exposure to jet fuel.
  • Flightline ground crews may be exposed to aircraft engine cold start particles in cold weather.

Purpose of the Study:

  • To investigate an electrostatic precipitator (ESP) as a personal sampler for aircraft engine cold start particles.
  • To characterize the collection efficiency and artifact levels of the ESP sampler.

Main Methods:

  • Laboratory tests were conducted to assess ESP collection efficiency for particles (0.5-20 µm).
  • A low-temperature chamber was used to evaluate adsorption and evaporation artifacts under simulated field conditions.
  • ESP performance was compared to traditional PVC membrane filters.

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Main Results:

  • The ESP demonstrated >98% collection efficiency for particles up to 100 mg/m³.
  • Adsorption artifacts were <5 µg/m³ in high vapor concentrations.
  • Evaporation artifacts were significantly lower for the ESP compared to filter-based samplers.

Conclusions:

  • The electrostatic precipitator (ESP) is a viable tool for assessing exposure to aircraft engine cold start particles.
  • The ESP offers more accurate exposure assessment results than traditional filter-based samplers in these conditions.