✦ LIBER ✦
Criterion for quantum turbulence onset after rectangular heat pulse in superfluid helium
✍ Scribed by R. Wang
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 355 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0011-2275
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✦ Synopsis
On the basis of transient heat transfer measurements of the film boiling onset time in a He II bath, a criterion correlated to the bath temperature and pressure for quantum turbulence onset after a rectangular heat pulse in superfluid helium is shown. Using the criterion parameter (Y it is possible to determine the time 7 needed to initiate quantum turbulence in the He II bath after a rectangular heat pulse. It is found that the criterion value in a He II bath is much smaller than that for He II confined in small channels. A strong pressure effect is also exhibited.