Plain water jet noise emission: effect of stand-off distance variation (Contributo in atti di convegno)

Type
Label
  • Plain water jet noise emission: effect of stand-off distance variation (Contributo in atti di convegno) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bortolussi A.; Dentoni V.; Massacci G.; Mulas I. (2007)
    Plain water jet noise emission: effect of stand-off distance variation
    in 16th International Symposium of Mine Planning and Equipment Selection, Bangkok, Thailand, December 11-13 2007
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bortolussi A.; Dentoni V.; Massacci G.; Mulas I. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Bortolussi A. CNR, IGAG Sezione di Cagliari Dentoni V. DIGITA, Università di Cagliari Massacci G. DIGITA, Università di Cagliari Mulas I. DIGITA, Università di Cagliari (literal)
Titolo
  • Plain water jet noise emission: effect of stand-off distance variation (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-0-9784416-0-9 (literal)
Abstract
  • The stand-off distance is one of the running parameters which has a considerable influence on the noise emission generated by different mine engineering applications of high pressure water jet technology. As a part of a broader research programme aimed to the definition of the role played by operating parameters in sound power emission of plain water jets, a set of tests was conducted to correlate the measured sound power levels (1/3-octave band spectral levels) with the corresponding stand-off distances, for different combinations of pressure and nozzle diameter. The paper illustrates the procedures adopted and the results obtained, highlighting the influence of stand-off distance on plain water jet sound power level and providing some indications about the noise contribution of different jet portions. (literal)
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