Hydrodynamics of internal shocks in relativistic outflows

M. Kino, A. Mizuta, A. Celotti, S. Yamada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We study the hydrodynamical effects of two colliding shells, adopted to model internal shocks in various relativistic outflows such as gamma-ray bursts and blazars. We find that the density profiles are significantly affected by the propagation of rarefaction waves. A split-feature appears at the contact discontinuity of the two shells. The shell spreading with a few ten percent of the speed of light is also shown to be a notable aspect. The conversion efficiency of the bulk kinetic energy to internal one shows deviations from the widely-used inelastic two-point-mass-collision model. Observational implications are also shortly discussed.

Original languageEnglish
Title of host publicationHigh Energy Gamma-Ray Astronomy - 2nd International Symposium on High Energy Gamma-Ray Astronomy
Pages516-521
Number of pages6
DOIs
Publication statusPublished - 2005 Dec 1
EventInternational Symposium on High Energy Gamma-Ray Astronomy - Heidelberg, Germany
Duration: 2004 Jul 262004 Jul 30

Publication series

NameAIP Conference Proceedings
Volume745
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Symposium on High Energy Gamma-Ray Astronomy
CountryGermany
CityHeidelberg
Period04/7/2604/7/30

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kino, M., Mizuta, A., Celotti, A., & Yamada, S. (2005). Hydrodynamics of internal shocks in relativistic outflows. In High Energy Gamma-Ray Astronomy - 2nd International Symposium on High Energy Gamma-Ray Astronomy (pp. 516-521). (AIP Conference Proceedings; Vol. 745). https://doi.org/10.1063/1.1878455