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 1
Published: 27.11.2023
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: #11(143)/2023
DOI: 10.18698/2308-6033-2023-11-2317
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 1 of the article shows results of the transverse electrostatic fields influence on reducing the working tube metal wall temperature in the annular channel and on alteration in the heat transfer coefficient to the MS-20 aviation engine oil depending on the heat flux density and the applied electrostatic voltage magnitude at the different pumping rates and pressures. 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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