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A Model for Reactions in Turbulent Jets: Effects of Reynolds, Schmidt, and Damköhler Numbers

Broadwell, James E. (1989) A Model for Reactions in Turbulent Jets: Effects of Reynolds, Schmidt, and Damköhler Numbers. In: Turbulent Reactive Flows. Lecture Notes in Engineering. No.40. Springer , New York, NY, pp. 257-277. ISBN 978-0-387-96887-2. https://resolver.caltech.edu/CaltechAUTHORS:20170731-111135558

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Abstract

Data from several recent experiments on mixing and chemical reactions in turbulent shear layers and jets is discussed in detail and used to formulate a picture of the path from the freestream to the molecularly mixed State. A model is proposed which incorporates the essential steps in this path and which appears to provide a framework for understanding the major effects of Reynolds, Schmidt, and Damköhler numbers on the chemical reaction. A simplified version of the model reproduces the observed Reynolds number dependence of nitric oxide production in turbulent fuel jets.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-1-4613-9631-4_16DOIArticle
https://rdcu.be/b4cEiPublisherFree ReadCube access
Additional Information:© 1989 Springer-Verlag New York Inc. This paper is extracted from a summary report on mixing and reactions in shear layers and jets that is in preparation in collaboration with Godfrey M. Mungal. His assistance as well as that of the author's GALCIT colleagues is gratefully acknowledged. The ideas of Roddam Narasimha and Anatol Roshko concerning the volume fraction in which dissipation occurs helped greatly to clarify the relationship between dissipation and scalar mixing. The author also thanks Werner Dahm and Manooch Koochesfahani for permission to use figures from their theses and for many instructive discussions of their work. We wish to acknowledge support for this work by the Air Force Office of Scientific Research under Contract No. F49602-79-C-0159 and Grant No. M'OSR-83-0213, the Office of Naval Research under Contract No. 00014-85-k-06116, and the Gas Research Institute under Grant No. 5083-260-0878.
Group:GALCIT
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)F49602-79-C-0159
Air Force Office of Scientific Research (AFOSR)AFOSR-83-0213
Office of Naval Research (ONR)N00014-85-K-0646
Gas Research Institute5083-260-0878
Subject Keywords:Reynolds Number; Shear Layer; Equivalence Ratio; Schmidt Number; Flame Length
Series Name:Lecture Notes in Engineering
Issue or Number:40
Record Number:CaltechAUTHORS:20170731-111135558
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170731-111135558
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79596
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:01 Aug 2017 19:45
Last Modified:18 May 2020 18:11

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