Alternative soot detection strategies for application in aero-engine test-beds: assessment of the performance and uncertainties of time-integrated LII

R. Roy, C. Blount, G. Ramesh, K. Ozanyan, P. Wright, V. Archilla, I.S. Burns

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Abstract

We describe a laser induced incandescence (LII) measurement system for 2D mapping of non-volatile particulate matter (soot) in full-scale aero-engine exhausts. Simulation allows us to quantify the sensitivity of the measurement to variation in physical properties such as primary particle size, over a range of laser fluences and as a function of beam diameter. We discuss the implications of our results for optimisation and calibration of soot imaging in exhaust streams.
Original languageEnglish
Pages1-5
Number of pages5
Publication statusPublished - 14 Apr 2019
Event9th European Combustion Meeting - Lisbon, Portugal
Duration: 14 Apr 201917 Apr 2019

Conference

Conference9th European Combustion Meeting
Abbreviated titleECM 2019
Country/TerritoryPortugal
CityLisbon
Period14/04/1917/04/19

Keywords

  • soot
  • aero-engine
  • particulate
  • emissions
  • pollution
  • laser-induced incandescence
  • signal modelling
  • measurement uncertainty
  • imaging

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