2. (a) For a stationary flame with a sinusoidal profile f = Asin, derive st in the Landau limit. Show that in the limit of weak wrinkling, ST + 5² (1+ 4²). (b) Repeat (a) but allowing for Le = 1, stretch effects. Compare and comment on results from (a) and (b).
2. (a) For a stationary flame with a sinusoidal profile f = Asin, derive st in the Landau limit. Show that in the limit of weak wrinkling, ST + 5² (1+ 4²). (b) Repeat (a) but allowing for Le = 1, stretch effects. Compare and comment on results from (a) and (b).
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Transcribed Image Text:2. (a) For a stationary flame with a sinusoidal profile f = Asin., derive ST in the
Landau limit. Show that in the limit of weak wrinkling,
ST≈so (1.
+ s (1 + 4).
(b) Repeat (a) but allowing for Le = 1, stretch effects. Compare and comment
on results from (a) and (b).
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