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dc.contributor.authorViggen, Erlend Magnus
dc.date.accessioned2013-12-09T18:05:23Z
dc.date.accessioned2016-06-30T09:00:47Z
dc.date.available2013-12-09T18:05:23Z
dc.date.available2016-06-30T09:00:47Z
dc.date.issued2013
dc.identifier.citationKorneliussen, Rolf [Eds.] Proceedings of the 36th Scandinavian Symposium on Physical Acoustics, Norsk Fysisk Selskap, 2013nb_NO
dc.identifier.isbn978-82-8123-013-2
dc.identifier.urihttp://hdl.handle.net/11250/2394925
dc.description.abstractBy adding a particle source term in the Boltzmann equation of kinetic theory, it is possible to represent particles appearing and disappearing throughout the fluid with a specified distribution of particle velocities. By deriving the wave equation from this modified Boltz- mann equation via the conservation equations of fluid mechanics, multipole source terms in the wave equation are found. These multipole source terms are given by the particle source term in the Boltzmann equation. To the Euler level in the momentum equation, a monopole and a dipole source term appear in the wave equation. To the Navier-Stokes level, a quadrupole term with negligible magnitude also appears.nb_NO
dc.language.isoengnb_NO
dc.publisherNorsk Fysisk Selskapnb_NO
dc.titleAcoustic multipole sources from the Boltzmann equationnb_NO
dc.typeChapternb_NO
dc.typeConference objectnb_NO
dc.typePeer reviewednb_NO
dc.date.updated2013-12-09T18:05:24Z
dc.subject.nsiVDP::Matematikk og naturvitenskap: 400::Fysikk: 430::Elektromagnetisme, akustikk, optikk: 434nb_NO
dc.subject.nsiVDP::Mathematics and natural scienses: 400::Physics: 430::Electromagnetism, acoustics, optics: 434nb_NO
dc.identifier.cristin1074467
dc.subject.keywordAkustikk / Acoustics
dc.subject.keywordFluidmekanikk / Fluid mechanics
dc.subject.keywordStatistisk mekanikk / Statistical mechanics


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