Accession Number : AD0607993

Title :   CHEMICAL REACTIONS IN HOMOGENEOUS TURBULENT FIELDS,

Corporate Author : JOHNS HOPKINS UNIV BALTIMORE MD

Personal Author(s) : Corrsin,S.

Report Date : 1944

Pagination or Media Count : 13

Abstract : Supposing that the homogeneous turbulent mixing of a passive, scalar contaminant is statistically known, it would be desirable to learn what differences will result from incorporating chemical reactions. The long range goal is turbulent combustion, in which the large (random) heat release probably feeds back into the fluid dynamics. The paper touches upon two classes of problems: (1) estimates of decay rates of average concentrations and isotropic concentration fluctuations, (2) estimates of the forms of Fourier 'power spectra' for locally isotropic, statistically stationary fields. Three idealized, irreversible, passive, chemical reaction types are mentioned: (a) first-order, isothermal, (b) second-order, isothermal, (c) first order, slightly exothermic. The spectral estimates employ a generalization of Onsager's turbulence cascade theory. (Author)

Descriptors :   (*TURBULENCE, CHEMICAL REACTIONS), (*FLUID FLOW, CHEMICAL REACTIONS), JET MIXING FLOW, IMPURITIES, COMBUSTION, THERMOCHEMISTRY, MATHEMATICAL MODELS, DIFFERENTIAL EQUATIONS, INTEGRAL TRANSFORMS

Distribution Statement : APPROVED FOR PUBLIC RELEASE