Abstract

Some centred flows in two dimensions with heat addition are derived. The solutions take the form of analytical expressions for the physical variables as functions of the cylindrical polar coordinate, φ, alone, and the corresponding modes of heat addition are found as part of the solution. A case of particular interest is that of isothermal heat addition, since this could, in principle, represent the upper branch of a Carnot cycle but, in a discussion of possible applications, some limitations are pointed out. Although the flows have their most natural application in the design of ramjets, some of them could also be applicable to afterburners or other subsonic combustion chambers.

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