Abstract
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 r cr; 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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