Parametrizing the burning speed enhancement by small-scale periodic flows : I . Unsteady shears , flame residence time and bending

@inproceedings{Khouider2001ParametrizingTB,
  title={Parametrizing the burning speed enhancement by small-scale periodic flows : I . Unsteady shears , flame residence time and bending},
  author={Boualem Khouider and Anne Bourlioux and Andrew J. Majda},
  year={2001}
}
We document and explain the existence of two distinct scaling regimes for the burning speed enhancement of an idealized premixed flame as a result of its distortion by an unsteady periodic shear. The simplified model used in the present study allows for a rigorous, quantitative explanation of the bending in the scaling exponent, either linear or sublinear in the shear intensity, in terms of a non-dimensional flame residence time which compares the intrinsic time-scale of the unsteady flow with… CONTINUE READING
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