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    Design study of magnetic eddy-current vibration suppression dampers for application to cryogenic turbomachinery (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Cryogenic turbomachinery used to pump high pressure fuel (liquid H2) and oxidizer (liquid O2) to the main engines of the Space Shuttle have experienced rotor instabilities. Subsynchronous whirl, an extremely destructive instability, has caused bearing failures and severe rubs in the seals. These failures have resulted in premature engine shutdowns or, in many instances, have limited the power level to which the turbopumps could be operated. The feasibility of using an eddy current type of damping mechanism for the Space Shuttle Main Engine is outlined.
    Keywords: MECHANICAL ENGINEERING
    Type: NASA-CR-173273 , NAS 1.26:173273 , UVA/52810/MAE84/101
    Format: application/pdf
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