Flux Development Region in Submerged Jetsby W. Hall C. Maxwell, (A.M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Illinois, Urbana, IL,
Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 6, Pg. 1061-1079
Document Type: Journal Paper
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Abstract: Solutions are obtained for flux distribution close to submerged turbulent jet outlets. All solutions use tabulated probability functions or exponential functions. A comparison is made with momentum flux data for axisymmetric jets and a plane-symmetric jet in a coplanar flow, and agreement is shown to be good. A generalized Reichardt hypothesis is employed to obtain Gaussian distributions for the flux of mass, heat and momentum and permits superposition of elementary solutions. The analysis is presented for plane and axisymmetric flows. An adjustment to the origin of the data matches axial flux data with the mathematical model and defines a spreading coefficient, leading to a complete definition of the flux distribution. The solutions are in the form of a distorted chi-square distribution, and two distorted normal distributions. A simple solution beyond the potential core uses the axial distribution of flux to obtain the radial distribution directly. The analysis shows promise of providing straightforward solutions for free turbulent flows involving complex boundary conditions.
Subject Headings: Jets (fluid) | Turbulent flow | Data processing | Axisymmetry | Probability | Comparative studies | Agreements and treaties | Freight transportation |
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