燃气涡轮航空发动机油系统金属离散杂质过滤过程的蒙特卡罗模拟

Proceedings of the International Conference on Aviamechanical Engineering and Transport (AviaENT 2019) Pub Date : 2019-11-01 DOI:10.2991/aviaent-19.2019.17

V. G. Drokov, V. Drokov, A. D. Kazmirov, A. Y. Hodunaev

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引用次数: 0

摘要

本文研究了不同滤清器参数对飞机燃气涡轮发动机主滤清器上金属颗粒沉积的影响。结果表明，在测量磨损颗粒的质量分数时，滤料的存在包含与测量设备无关的系统误差。讨论了过滤参数对颗粒质量分数稳态值的影响。结果表明，在使用10微米精细机油滤清器的现代发动机中，质量分数小于0.01 ppm，不能作为发动机技术状态评价的诊断特征。机油滤清器洗涤样品携带大部分磨损颗粒，因此，最有诊断信息。因此，机油滤清器洗样应与油样一起使用，以可靠地评估发动机的技术状态。关键词:蒙特卡罗模拟;过滤过程;燃气轮机系统;飞机引擎

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Monte-Carlo Simulation of the Filtration Processes of Metallic Discrete Impurity in Oil System of Gas-Turbine Aircraft Engines

The paper considers the deposition of metallic particles on the main oil filter of aircraft gas turbine engines (GTEs) depending on the filter parameters. It was shown that the filter presence includes systematic error in the measurement of the mass fraction of wear particles independent of the measurement equipment. The influence of the filter parameters on the steady state value of particles mass fraction is discussed. It’s shown that in modern engines that use 10 um fine oil filters the mass fraction is less than 0.01 ppm and can’t be used as a diagnostic feature for engine technical state evaluation. Oil filter wash samples carry the bulk of the wear particles and consequently, the most diagnostic information. Thus, the oil filter wash sample should be used together with oil sample for reliable evaluation of the technical state of the engine. Keywords— Monte-Carlo simulation; filtration process; system of gas-turbine; aircraft engines

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Proceedings of the International Conference on Aviamechanical Engineering and Transport (AviaENT 2019)

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