Engineering Journal: Science and InnovationELECTRONIC SCIENCE AND ENGINEERING PUBLICATION
Certificate of Registration Media number Эл #ФС77-53688 of 17 April 2013. ISSN 2308-6033. DOI 10.18698/2308-6033
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Article

Results of an experimental study of the electrostatic fields influence on thermal processes in the MS-20 aviation engine oil exposed to its forced convection. Part 2

Published: 07.12.2023

Authors: Altunin V.A., Lvov M.V., Yusupov A.A., Shchigolev A.A., Gortyshov Yu.F., Koreev E.P., Yanovskaya M.L.

Published in issue: #12(144)/2023

DOI: 10.18698/2308-6033-2023-12-2324

Category: Aviation and Rocket-Space Engineering | Chapter: Thermal, Electric Jet Engines, and Power Plants of Aircrafts

The transverse electrostatic fields influence on thermal processes in the MS-20 aviation engine exposed to its forced convection in the annular channel was experimentally studied at the different conditions. Those conditions included various heat flux densities in the working heated tube, different pressures and oil pumping rates, different distances between the working coaxial needles and the supplied high-voltage electrostatic voltages. An experimental database was created on the wall temperature of the working heated tube and the heat transfer coefficient to the aviation engine oil at various operating parameters without and with the transverse electrostatic fields influence. A zone of the electrostatic fields saturation was discovered, where further increase in the electrostatic voltage supplied to the output needle was not leading to a decrease in the working tube wall temperature and to an increase in the heat transfer coefficient to the engine oil, which values remained constant. Part 2 of the article establishes applicability boundary of the transverse electrostatic fields in the working area according to the oil pumping rate, when the electric wind no longer affects the heat transfer intensification and prevention of the sedimentation. Results of the experimental data secondary processing are provided. The research results introduction would contribute to creation of the new oil systems with improved performance for aircraft engines, power plants and technical systems for various purposes and applications.


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