Polyhedral Diffusion Flames

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BURNER flames of unusual structure may be obtained when certain hydrocarbon gases and vapours are burnt in admixture with air or oxygen. Thus, as first noted by Smithells and Ingle1, and later by Smith and Pickering2, the inner cones of the flames may assume the form of a polyhedron, the number of sides of which is dependent upon prevailing conditions, and which may or may not rotate about a central, vertical axis. More recently, Mann3 and Behrens4 have reported the occurrence of polyhedral flames using weak mixtures of hydrogen and air.

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  1. 1

    Smithells, A., and Ingle, H., Trans. Chem. Soc., 61, 204 (1892).

  2. 2

    Smith, F. A., and Pickering, S. F., J. Res. Nat. Bur. Stand., 3, 65 (1929).

  3. 3

    Mann, J., thesis, University of Leeds (1944).

  4. 4

    Behrens, H., Naturwiss., 32, 297 (1944).

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