The radial structure of hot one-temperature accretion flows with advection

Details The radial structure of hot one-temperature accretion flows with advection The radial structure of hot one-temperature accretion flows with advection

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997cha%26a..21..405l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 21, Issue 4, p. 405-414.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Considering nonthermal e+/--pair production, this paper is focused on the radial structure of hot one-temperature accretion flows with advection under the condition of small viscous parameter (α = 0.1) and low mass-accretion rates. Self-similar relations of hot flow with advection have been adopted. The authors have used a scheme, in which the two regions of accretion flow are calculated separately and then joined together. Some typical features of hot flow with advection have been confirmed, and several new results obtained: there exists a critical radius rcr; the local cooling rate is inversely proportional to the square of the mass of the central object; the e+/--pair process affects significantly the radiation of hot flows with advection.

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