How does the thrust of turbine blades and compressors change?

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It’s actually quite simple to figure out. The compressors all have closed impellers, which have two sides: an inlet or an outlet, along with flow channels. The pressure on the outlet side is higher than that on the inlet side; thus, this pressure difference causes uneven forces on the two surfaces, resulting in a thrust directed toward the low-pressure side. The sum of the thrusts from all impellers constitutes the total axial thrust. Through the balance disc, it is possible to use the pressure difference between the total outlet gas pressure and the total inlet gas pressure to balance part of the axial force. The residual axial force is then balanced by the thrust bearings. The impellers of the unit can also be arranged symmetrically to eliminate part of the axial force on their own. The remainder uses thrust bearings. When starting to introduce air into the system by driving the fan, the airflow pushes backward in stages; the front plate of the blades is the first to experience force, and at this point the axial force points toward the outlet side ； In the normal phase, the outlet points toward the inlet. OK. That’s all for the simple reply.