Measurements of newly defined intensimetric quantities and their physical interpretation (Articolo in rivista)

Type
Label
  • Measurements of newly defined intensimetric quantities and their physical interpretation (Articolo in rivista) (literal)
Anno
  • 1997-01-01T00:00:00+01:00 (literal)
Alternative label
  • Domenico Stanzial, Nicola Prodi (1997)
    Measurements of newly defined intensimetric quantities and their physical interpretation
    in The Journal of the Acoustical Society of America
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Domenico Stanzial, Nicola Prodi (literal)
Pagina inizio
  • 2033 (literal)
Pagina fine
  • 2039 (literal)
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  • PACS numbers: 43.20.Ye, 43.20.Rz, 43.58.Fm @JEG# (literal)
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  • 102 (literal)
Rivista
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  • 7 (literal)
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  • 4 (literal)
Note
  • Google Scholar (literal)
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  • CIARM c/o C.N.R.-Cemoter Acoustics Department via Canal Bianco 28, I-44044 Cassana, Ferrara, Italy (literal)
Titolo
  • Measurements of newly defined intensimetric quantities and their physical interpretation (literal)
Abstract
  • This paper deals with the measurement and physical interpretation of the quantities a and r introduced in a previous paper @D. Stanzial, N. Prodi, and G. Schiffrer, ''Reactive intensity for general fields and energy polarization,'' J. Acoust. Soc. Am. 99, 1868-1876 ~1996!#. The quantity a, which has the same time dependence as the squared acoustic pressure and the same direction as the time averaged sound intensity ^j&, will be called here ''radiating'' intensity, while r which has zero average, will be called ''oscillating'' intensity. A coherent picture of the energy transfer process in steady sound fields based on the decomposition j5a1r of the instantaneous sound intensity will be sketched and discussed. Furthermore, a direct experimental comparison between a and r and the real and imaginary parts of the complex intensity is presented for some field conditions. © 1997 Acoustical Society of America. (literal)
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