Energy spectra in microbubbly turbulence

Th.H. van den Berg, S. Luther, Detlef Lohse

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Abstract

Microbubbles (R0 = 100 μm) are injected in fully developed turbulence (Reλ = 200) up to a volume concentration of 0.3%. An enhancement of the energy on small scales and a reduction on the large scales is observed, confirming theoretical prediction by I. Mazzitelli, D. Lohse, and F. Toschi [ Phys. Fluids 15, L5 (2003) ]. The result is a (nonuniversal) less steep slope than −5/3 in the power spectrum
Original languageUndefined
Pages (from-to)038103-1-038103-3
Number of pages3
JournalPhysics of fluids
Volume18
Issue number3
DOIs
Publication statusPublished - 2006

Keywords

  • IR-74466
  • METIS-231133

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