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Laminar Heat Transfer in a Liquid Flowing in a Diverging Conical Annular Channel with a Varied Inner-Wall Temperature

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Abstract

The problem of convective heat transfer in a divergent slow liquid flow in a constant-width conical annular channel is analyzed for the case of first-kind thermal boundary conditions and linear variation of the inner-wall temperature along the channel length. The problem is solved by eigenfunction-series expansion. The spatial distribution of temperature is represented as the sum of two infinite series in confluent hypergeometric functions of the transverse coordinate that are multiplied by an exponential function of the axial coordinate and the angular opening of the cone. The solution is interesting in that it is the superposition of two solutions, each having its own eigenfunctions and eigenvalues.

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Ul'ev, L.M. Laminar Heat Transfer in a Liquid Flowing in a Diverging Conical Annular Channel with a Varied Inner-Wall Temperature. Theoretical Foundations of Chemical Engineering 35, 28–38 (2001). https://doi.org/10.1023/A:1005212601016

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