Abstract
The buoyancy-induced laminar flow and temperature fields associated with a horizontal line source of heat placed at the intersection of two semi-infinite adiabatic plane surfaces are analyzed. The main purpose of the study is to describe the influence of the asymmetric environment on the thermal plume. The asymptotic description of the solution at large distances from the line source is given using the method of matched asymptotic expansions. It is suggested to seek the asymptotic solution in the thermal plume using the self-similar variable ξ=r 3/5(φ−δ(r)), where δ(r)=a 0 r −3/5+a 1 r −9/10+... is the angle of the plume inclination with the vertical. Two terms of this expansion have been obtained.
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