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(a) Radial air foil bearing. (b) Thrust air foil bearing. (c) Radial metal mesh foil bearing.
(a) Layout of MTG. (b) Fabricated rotor for MTG.
Manufacture process of half-split-type radial-thrust combo MMFB. (a) Copper metal mesh. (b) Top and side views of compressed combo metal mesh damper. (c) Half-split combo metal mesh damper and stainless steel plates. (d) Combo metal mesh damper covered by stainless steel plates and thrust top foils. (e) Combo metal mesh damper with welded thrust top foils and radial top foil. (f) Side view of combo MMFB.
Assembly process of half-split-type radial-thrust combo MMFB and rotor.
Fabricated motoring test rig. (a) Top perspective view of the rear. (b) Side perspective view of the front, and zoomed view of turbine impeller and combo MMFB.
Cascade plots from 48 000 to 250 000 rpm at intervals of 12 000 rpm. (a) Radial vibration in vertical direction. (b) Axial vibration.
Specifications of fabricated combo MMFB.
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