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Chemical Reactions in Turbulent Mixing Flows

Dimotakis, P. E. and Broadwell, J. E. and Leonard, A. (1986) Chemical Reactions in Turbulent Mixing Flows. California Institute of Technology , Pasadena, CA. (Unpublished)

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Work is continuing primarily in gas phase turbulent mixing and chemical reactions. The liquid phase work to date is in its final stages of being analyzed and documented for dissemination in the form of archival publications. In the gas phase shear layer work, our investigations are concentrating on shear layer free stream density ratio effects, finite kinetic rate (Damköhler number) effects, and a design effort in support of the planned extension of the work to supersonic flows. In jet flows, progress has been made in the gas phase laser Rayleigh scattering techniques developed for conserved scalar measurements down to diffusion space and time scales. A new technique has been developed under joint support with the Gas Research Institute that permits the imaging of soot sheets in turbulent flames and is being used to describe the combustion flame sheets in methane flames. Theoretical work in progress is addressing the finite chemical rate problem as well as the diffusion-limited shear layer mixing problem. Advances in our data acquisition capabilities during the last year are permitting higher temporal resolution measurements to be taken with digital image arrays.

Item Type:Report or Paper (Technical Report)
Additional Information:© 1986 California Institute of Technology. AFOSR-83-0213 Interim Report for the Period Ending 15-Apr-86. The authors wish to acknowledge many helpful discussions with their GALCIT colleagues and especially to thank Richard Miake-Lye for his specific valuable comments on the manuscript. This work was sponsored jointly by the Air Force Office of Scientific Research under Grant No. 83-0213 and the Office of Naval Research under Contract No. N00014-76-C-0260.
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)AFOSR-83-0213
Office of Naval Research (ONR)N00014-76-C-0260
Record Number:CaltechAUTHORS:20141020-092935685
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50534
Deposited On:21 Oct 2014 15:57
Last Modified:03 Oct 2019 07:24

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