DETERMINING THE OPTIMAL OXIDATION TEMPERATURE OF NON-ISOTHERMAL LIQUID FUELS INJECTIONS USING MODELING BASED ON STATISTICAL DROPLET DISTRIBUTION
Askarova A. Bolegenova S. Ospanova S. Bolegenova S. Baidullayeva G. Berdikhan K. Nussipzhan A.
2024Technology Center
Eastern-European Journal of Enterprise Technologies
2024#6Issue 8(132)44 - 55 pp.
Singlehole injections of liquid hydrocarbon fuels (isooctane and dodecane) under high turbulence have been investigated using direct numerical simulation based on the statistical model considering the droplets’ atomization, distribution, and combustion. The study objects are the heat and mass transfer processes during atomization and combustion of liquid fuels injections within the combustion chambers of thermal engines. The temperature and carbon dioxide concentration distributions of the fuelair mixture, the distributions of the droplets, their velocities, and the Sauter mean radius within the isooctane and dodecane oxidation in the engine’s combustion space were obtained. An investigation of the oxidizer’s initial temperature influence on the droplets’ atomization and combustion processes showed that the optimal temperature for both fuels is 900 K. The obtained modeling results were confirmed in good agreement with theoretical and experimental data. Thanks to the integrated use of approaches from statistical theory, numerical algorithms and 3D computer modeling techniques, the results obtained are distinguished by high accuracy, efficiency in reducing computational resources, scientific novelty in the type of droplet atomization and suitability for practical application for technological solutions not only for singlehole, but also for multihole injections of liquid fuels and studying the jettojet interaction phenomena. The obtained research results can be applied in miscellaneous internal combustion engines development with different atomization types, which will allow us to contemporaneously settle the concerns of streamlining the combustion process, improving the completeness of fuel combustion and reducing emissions of harmful substances
atomization , combustion , emissions , liquid fuel , singlehole injection , thermal engines
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Department of Normal Physiology with a Biophysics Course, Asfendiyarov Kazakh National Medical University, Tole-bi str., 94, Almaty, 050012, Kazakhstan
Department of Thermal Physics and Technical Physics, Al-Farabi Kazakh National University, Al-Farabi ave., 71, Almaty, 050040, Kazakhstan
Department of Normal Physiology with a Biophysics Course
Department of Thermal Physics and Technical Physics
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026