هذا الفديو يشرح ماهو الجزء المسئول عن عمل اتزان اضافي لعمود التربينة الغازية اثناء الدوران ؟؟

What is the working principle of a thrust balance orifice for a gas
turbine ??

The LPT rotor thrust balance system is designed to maintain the axial thrust loading on the No. 1B thrust bearing within design limits. The balance piston static seal is mounted to the TRF hub. Stage 11 HPC bleed air is routed through three TRF struts to generate the required axial loading through the rotor thrust balance system.

A balance piston system has been included in the aft-end of the engine to control thrust loading on the No. 1B bearing. These loads are imposed by LPC and LPT and vary with output power. Forward axial loads are applied by varying air pressure in the balance piston air cavity to maintain thrust loads within the capability of the bearing.

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