34th Congress of the International Council of the Aeronautical Sciences

07 - Systems, Subsystems and Equipment

A STUDY ON THE AIRLOCK MECHANISM OF THE OIL SUPPLY PUMP IN AERO-ENGINE LUBRICATING OIL SYSTEM

S. Zhang, China; P.-F. Zhu, China; H. Fan, China; Z.-X. Liu, China

The external gear pump is the core component of the oil supply part in the aero-engine lubricating oil system. This study uses numerical simulation and experimental methods to analyze the airlock phenomenon that occurs in the pump during the starting process. An analytical method for the airlock is established. The influencing factors and formation mechanism of the airlock are obtained. The results have guiding significance for the design of lubricating oil systems.


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