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Alignment statistics of active and passive scalar gradients in turbulent stratified flames

Lookup NU author(s): Professor Nilanjan ChakrabortyORCiD


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The scalar gradient alignment statistics for active and passive scalar gradients (e.g., fuel mass fraction gradient and mixture fraction gradient) are presented here for turbulent stratified flames. It has been shown that, under some conditions, the active scalar gradient may align with the most extensive principal strain rate in contrast to the passive scalar gradient that remains aligned with the most compressive principal strain rate even when the active scalar gradient aligns preferentially with the most extensive principal strain rate. Physical explanations are provided for the observed behaviors.

Publication metadata

Author(s): Malkeson SP, Chakraborty N

Publication type: Article

Publication status: Published

Journal: Physical Review E

Year: 2011

Volume: 83

Issue: 4

Print publication date: 18/04/2011

ISSN (print): 1539-3755

ISSN (electronic): 1550-2376

Publisher: American Physical Society


DOI: 10.1103/PhysRevE.83.046308


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