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Comprehensive analysis of particle emissions from miniature turbojet engine
1
Faculty of Civil and Transport Engineering,, Poznan University of Technology, Poland
Submission date: 2024-03-21
Final revision date: 2024-08-07
Acceptance date: 2024-08-18
Online publication date: 2024-10-11
Corresponding author
Paula Kurzawska-Pietrowicz
Faculty of Civil and Transport Engineering,, Poznan University of Technology, ul. Piotrowo 3, 61-138, Poznań, Poland
Faculty of Civil and Transport Engineering,, Poznan University of Technology, ul. Piotrowo 3, 61-138, Poznań, Poland
KEYWORDS
TOPICS
ABSTRACT
Emission of particulate matter from jet engines contribute to deterioration of air quality in the vicinty of the airports and to formation of contrails in higher layers of the atmosphere. This article presents the results of the measurements of particle emissions from a miniature jet engine GTM-120 fueled conventional aviation fuel Jet A-1. Analysis of particle size distribution, number, mass and volume emission indexes has been made, as well as the analysis of the emission intenisty and mass emission rate. Obtained results were related to LTO cycle phases. The results shows, that the particle number concentration was the lowest for low engine loads, with characteristic diameter of 69.8 nm and the particles concentration of 7.7 x 106 particles/cm3. For thrust increase, the characteristic diameter is smaller, and the particles distribution is no longer single-mode. The highest particles concentration for cm3 is for 100% thrust and is equal to 1.55 x 107 particles, with characteristic diameter of 34 nm.
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