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Article · DOAJ · July 1, 2025

Cryogenic System for FTIR Analysis of Hydrocarbon Fuels at Low Temperature and Atmospheric Pressure

Gulzhan Turlybekova, A. Kenbay, Алдияров Абдурахман Уалиевич, Yevgeniy Korshikov, Aidos Lesbayev, Assel Nurmukan

Darkhan Yerezhep
Read on doaj.orgDOI 10.3390/app15147944

Abstract

This study presents a novel approach to FTIR spectroscopy at low temperatures under atmospheric pressure. The work aimed to confirm the efficiency of a fundamentally new cryogenic setup that enables material research under the specified conditions. The new technique combines a nitrogen-based cryogenic capillary cooling system with precise temperature monitoring via a PID controller, along with DRIFT spectroscopy for hydrocarbon materials. New fundamental data were obtained on the properties and behavior of hydrocarbon compounds such as methanol, kerosene, and ethanol. The IR spectra of these samples contain key characteristic vibrations of hydrocarbon functional groups, which demonstrate the effective operability of the cryogenic device. A detailed description of the setup and measurement technique is provided, along with a thorough comparison of the results with data from other authors. The application scope of the cryogenic device, the relevance of the research, and potential future developments are also discussed.

Spectroscopy and Laser ApplicationsSpectroscopy Techniques in Biomedical and Chemical ResearchSpacecraft and Cryogenic Technologiescryogenic systemsFTIR spectroscopyhydrocarbon fuels

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