✦ LIBER ✦

Dynamic balancing of gas lubricated high-speed turbines

✍ Scribed by R. Braig; J. Parisi; H.-G. Wener

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 338 KB
Volume: 25
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(85)90119-5

No coin nor oath required. For personal study only.

✦ Synopsis

A high-performance balancing system is described which is capable of reducing unbalance of gasbearing miniature expansion turbines to a level suitable for high-speed rotation in cryogenic refrigerators. Using non-contact electrical measurements based on a dynamic capacitive method, the rotating turbine shaft can be balanced to ~ 1 0 -5 g cm, corresponding to a displacement of the centre of gravity of < 0.01 pm.

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