Research of hydrodynamic processes in the lubrication system of gas turbine engines


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Abstract

A lubrication system with supply and scavenge oil gear pumps with electric drives is the subject of research. The features of the workflow in lubrication system units are analyzed and the possibility of applying a homogeneous model for the description of a fine-dispersed air-oil mixture is evaluated. The principle of construction of a mathematical model of a lubrication system based on dynamic equations of the typical processes in the nodes – the flow of the two-phase mixture, mixing of the air and liquid flows, filling cavities of gear pairs in the suction zone of the pump is outlined. The developed mathematical model is verified by comparing the calculated and experimental processes. 

About the authors

A. I. Gulienko

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Author for correspondence.
Email: goulienko-contrl@ciam.ru

Candidate of Science (Engineering)

Head of Sector

Russian Federation

Yu. M. Shchurovskiy

Central Institute of Aviation Motors named after P.I. Baranov, Moscow

Email: avim@ciam.ru

Engineer

Russian Federation

References

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  2. Yanovskiy L.S., Gulienko A.I., Ezhov V.M., Molokanov A.A., Sharanina K.V., Shchurovsky Yu.M. The effect of oil foaming on characteristics of electric drive lubrication system of «electric» aircrafts GTE. Friction&Lubrication in Machines and Mechanisms. No. 8. P. 43-48. (In Russ.)
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  6. Kalnin V.M., Dyatlov V.V., Naumenkova N.V. Teoriya avtomaticheskogo upravleniya raketnymi dvigatelyami [Theory of automatic control of rocket engines]. Moscow: Mashinostroenie Publ., 1978. 288 p.
  7. Yudin E.M. Shesterennye nasosy [Gear pumps]. Moscow: Mashinostroenie Publ., 1978. 236 p.

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