Jäger, J., Schuderer, B. and Schoepe, Wilfried (1995) Turbulent and Laminar Drag of Superfluid Helium on an Oscillating Microsphere. Phys. Rev. Lett. 74, p. 566.
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Abstract
A magnetic sphere (radius 100 μm), levitating inside a superconducting niobium capacitor, is immersed into superfluid helium. Vertical oscillations of the sphere can be excited and detected. At resonance we measure the velocity amplitude as a function of the driving force between 0.35 and 2.2 K. In the linear regime (laminar flow) the drag is given by Stokes' solution above 1.1 K and by ballistic ...
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| Item type: | Article | ||||
|---|---|---|---|---|---|
| Date: | 1995 | ||||
| Institutions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Prof. Wilfried Schoepe | ||||
| Identification Number: |
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| Dewey Decimal Classification: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Yes, this version has been refereed | ||||
| Created at the University of Regensburg: | Unknown | ||||
| Item ID: | 29963 |
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