Subisokinetic Sampling Errors For Aircraft Turbine Engine Smoke Probes.

Abstract

Experimental evidence that isokinetic sampling can be important for submicrometer particles in high speed flows was presented in CEEDO-TR-77-48. This report applies those results to gas turbine engine smoke measurement. The analysis predicts a 15 to 30 percent subisokinetic sampling error at a take-off engine power setting. It is concluded that subisokinetic errors do not greatly affect smoke number determinations but should be considered when true smoke density is measured. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1978
Accession Number
ADA053867

Entities

People

  • Joseph A. Martone

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aircraft Exhaust
  • Aircrafts
  • Biological Sciences
  • Cargo Aircraft
  • Diameters
  • Ecology
  • Engines
  • Environmental Protection
  • Exhaust Gases
  • Flow
  • Gas Turbines
  • Gases
  • Particle Size
  • Particles
  • Test Methods
  • Turbines
  • Turbofan Engines

Readers

  • Aerosol Science/Aerosol Physics
  • Aerospace Engineering
  • Geodesy