Theoretical Study of Turbulent Mixing Along Curved Jet Boundaries PDF Download
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Author: Tirumalesa Duvvuri
Publisher:
ISBN:
Category :
Languages : en
Pages : 77
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Book Description
The problem of the turbulent mixing along the curved boundaries of a jet has been analyzed for an incompressible plane flow. The initial and fully developed regions of the curved mixing zone are analyzed with Tollmien and Goertler eddy viscosity models. It is shown that similarity solutions exist under certain conditions. A perturbation analysis is carried out to include the first order effects of curvature and growth of mixing zone. Comparison is made of the results of the numerical computation with the two eddy viscosity models. A parametric study of different centerline velocity decay rates and the external pressure gradient is made in the fully developed region.
Author: Tirumalesa Duvvuri
Publisher:
ISBN:
Category :
Languages : en
Pages : 77
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Book Description
The problem of the turbulent mixing along the curved boundaries of a jet has been analyzed for an incompressible plane flow. The initial and fully developed regions of the curved mixing zone are analyzed with Tollmien and Goertler eddy viscosity models. It is shown that similarity solutions exist under certain conditions. A perturbation analysis is carried out to include the first order effects of curvature and growth of mixing zone. Comparison is made of the results of the numerical computation with the two eddy viscosity models. A parametric study of different centerline velocity decay rates and the external pressure gradient is made in the fully developed region.
Author: Tirumalesa Duvvuri
Publisher:
ISBN:
Category :
Languages : en
Pages : 209
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Book Description
The problem of the inclined plane incompressible ducted turbulent jet mixing with a jet injected into an inclined duct has been analysed using the curvilinear system of coordinates. This system is chosen because of the curved flow field in the initial mixing regions and the existence of similarity solutions when analysed in the orthogonal curvilinear coordinate system referred to the jet centerline. Integral techniques and the similarity solutions have been utilized to reduce the flow field to a quasi two-dimensional flow field. Appropriate differential equations have been developed for the various types of flow regions. A generalized method for predicting the induced secondary flow is presented.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Author: Joseph A. Schetz
Publisher:
ISBN:
Category : Fluid mechanics
Languages : en
Pages : 44
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Book Description
This report presents a unified model for the eddy viscosity in jet mixing flows. The successful boundary layer model due to Clauser is given a new interpretation that permits generalization to a wide variety of turbulent flows.
Author: Harry Edward Bailey
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 54
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Author: Roop N. Gupta
Publisher:
ISBN:
Category : Turbulent boundary layer
Languages : en
Pages : 44
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Author: Illinois. University. Dept. of Aeronautical Engineering
Publisher:
ISBN:
Category : Laminar flow
Languages : en
Pages : 538
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Author: Philip Thomas Harsha
Publisher:
ISBN:
Category : Turbulence
Languages : en
Pages : 340
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Book Description
Author: G. N. Abramovich
Publisher: Mit Press
ISBN: 9780262511377
Category : Technology & Engineering
Languages : en
Pages : 671
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Book Description
The author's first monograph on turbulent jets, in 1936, dealt solely with a free submerged jet. Since that time, the theory of the turbulent jet has been developed in many published works both in the USSR and abroad: it has been enriched with a large amount of experimental material and has been applied in many new fields of engineering. In the last 10 years very substantial progress has been made, and it has now become possible to go beyond the free submerged jet and to solve the problem of a jet in a stream of fluid, to take into account the interaction between the jet and solid walls, to ascertain the relationship between the contour of the jet and the ratio of its density to the density of the surrounding medium, and to establish the characteristic features of a supersonic jet. This monograph contains the results of further research by the author and his colleagues, as well as a critical reappraisal of the more important theoretical and experimental data published by other investigators. The first section deals with the theory of a turbulent jet of incompressible fluid. It gives a systematic analysis of numerous experimental data on velocity profiles, temperature, and the impurity concentration, as well as the outlines of the turbulent mixing lone. The second section sets forth the theory of turbulent gas jets, including strongly preheated and supersonic jets. The theory of free turbulence in a gas, suitable in principle for any degree of compressibility, is revised, and the equations are derived for motion and heat exchange in the boundary layer of a jet at very high temperature. The third section solves several problems of the spreading of jets in finite and semifinite space, and the fourth section describes various applications of the theory of jets, many of which are reported for the first time or have been significantly revised.
Author:
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ISBN:
Category : Science
Languages : en
Pages : 1310
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