Analysis of Molecular Mixing and Chemical Reaction in Mixing Layer,

Abstract

This paper concerns an analytical study of molecular mixing and finite rate chemical reactions in an infinite row of vortices representing a mixing layer. Diffusion equations for reacting and non-reacting species are solved locally in the Lagrangian frame of reference following material elements. The flowfield is a given for the problem. The concentration distributions in the vortex structure are composed from these analytical solutions and presented for several cases. The probability density functions constructed from these distributions are compared with the mixing layer experiments. For the cases studied, the comparisons indicate encouraging agreement for the reacting flow case. However, some differences are present for the non-reacting flows. Keywords: Turbulent reacting flows; Molecular mixing, Reaction in vortical structures.

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Document Details

Document Type
Technical Report
Publication Date
Jan 14, 1988
Accession Number
ADA191600

Entities

People

  • B. M. Cetegen
  • William A. Sirignano

Organizations

  • University of California, Irvine

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Agreements
  • Air Force
  • Buoyancy
  • California
  • Chemical Reactions
  • Combustion
  • Differential Equations
  • Distortion
  • Equations
  • Fluid Dynamics
  • Payload
  • Probability Density Functions
  • Scientific Research
  • Simulations
  • Strain Rate
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Combustion science or combustion engineering.
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers
  • Statistical inference.