
Accession Number : AD0776044
Title : A Note on the Multi  alpha Solutions of the Upper Bounding Problem for Thermal Convection.
Descriptive Note : Rept. for JunSep 73.
Corporate Author : AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS
Report Date : 25 FEB 1974
Pagination or Media Count : 19
Abstract : The transition to 'multialpha' solutions of the upper bounding problem for thermal convection is discussed. For convection in a fluid contained between parallel stressfree perfectly conducting boundaries, the 'singlealpha' solutions of Straus (1973) are used to determine the Rayleigh number at which the first transition occurs. Two upper bounding problems are treated: one valid for all values of the Prandtl number and one valid only for large Prandtl numbers. A significant difference between the two problems is noted, the latter allowing no transition to multialpha solutions, while the former has a transition at R approximatey = 28200. (Author)
Descriptors : *Convection, *Heat transfer, *Flow fields, Two dimensional flow, Three dimensional flow, Perturbations, Boundary value problems
Subject Categories : Fluid Mechanics
Thermodynamics
Distribution Statement : APPROVED FOR PUBLIC RELEASE