March 3, 2026

Identification of Foreign Particles From the Gas-AIr Pass of a Gas Turbine Engine by Ir-Fourier-Spectroscopy

Key Points

The study identifies foreign particles in the gas-air tract of gas-turbine engines, showing their origin from carbonized rubber fragments.
Comparative analysis of IR-spectra confirms the identified particles originate from degraded rubber components.
Analysis utilizes the IR-Fourier spectroscopy method to differentiate between various materials based on their IR-spectra.
This process could enable better maintenance strategies for gas-turbine engines and enhance aircraft safety.

Abstract

The article shows the possibility of using the IR - Fourier spectroscopy method to identify foreign particles found in the gas-air tract of gas-turbine engines of aircraft. The results of a comparative analysis of their (particles) IR- spectra, IR-spectra of various rubber technical parts, polymer products and materials used in their manufacture confirmed that the identified particles are fragments of carbonized rubber from aircraft tires as a result of exposure to high temperatures.

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I. G. Kalinina (Wed,) studied this question.

www.synapsesocial.com/papers/69a75d0ec6e9836116a267aa — DOI: https://doi.org/10.7868/s3034612625120084

Identification of Foreign Particles From the Gas-AIr Pass of a Gas Turbine Engine by Ir-Fourier-Spectroscopy

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