Abstract
We generate homogeneous turbulence using a moving grid within a stationary 1 cm square channel filled with superfluid helium. The root mean square vorticity is linked to the quantized line density, which we observe from second sound attenuation. This provides a simple, nonintrusive probe of the turbulent intensity. Results reveal how the time decay of turbulence depends upon the time evolution of the Reynolds number and length scale of the energy containing eddies, demonstrating the value of Kolmogorov scaling arguments applied to turbulence in helium II.
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© 1994 Springer Science+Business Media New York
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Smith, M.R., Donnelly, R.J., Goldenfeld, N., Vinen, W.F. (1994). Homogeneous Turbulence within a Superfluid Helium Wind Tunnel. In: Kittel, P. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 39. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2522-6_13
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DOI: https://doi.org/10.1007/978-1-4615-2522-6_13
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-6074-2
Online ISBN: 978-1-4615-2522-6
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