Abstract
A two-dimensional, V-shaped flame is simulated by a combination of source and sink sheets of fluid in a general stream. Complex variable theory is used to determine the flow field of the simulated flame. Adjustment of the strength of the sink sheet on the interior symmetry flame axis yields a flame speed that is constant within about one per cent along the front. Three 22° half-angle flames are calculated. About one third of the flame front near the apex of the flame and the sink are found to be enclosed within a body shaped as a flameholder. Actual flames in the calculated approach fields would generate appreciable vorticity in the flame gas, but the calculated fields downstream from the simulated flame is irrotational. For these cases the vorticity generated by a real flame may change the flame speed by about 15 per cent from the theoretical.
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