Mode of access: World Wide Web.

System requirements: Adobe Acrobat Reader.

Part of: Synthesis digital library of engineering and computer science.

Series from website.

Includes bibliographical references (p. 199-204).

Preface -- Part I. Introduction -- 1. General introduction -- 2. General overview on heat transfer -- Conduction -- Radiation -- Convection -- Heat transfer coefficient -- Boundary layer concept -- Laminar and turbulent flows -- Non-newtonian fluids -- Combined heat transfer mechanisms -- 3. Conservation equations -- The equation of continuity -- The equation of motion -- The energy equation -- The conservation equation for species -- Use of conservation equations to solve physical problems -- 4. Dimensionless group -- 5. Units and conversion factors -- 6. Overview of heat transfer on extended surfaces -- Fin's energetic balance -- Extended surface assemblies -- Current design methodology -- Fin efficiency -- Mathematical representation of heat flow through an isolated fin -- Discussion of the validity of the design methodology and of the classical assumptions -- Conclusions -- 7. State of the art in the T-shaped fins -- Other studies on the T-shapes -- Conclusions --

Part II. Methods of analysis -- 8. Thermal exchange basis -- Analytical models --

Part III. Models -- 9. T-shaped fins -- Introduction -- Model definition -- Method and tests -- Results and comments -- Conclusions -- 10. Y-shaped fins -- Introduction -- Model definition -- Results and comments -- Conclusions -- 11. Modular systems of y-shaped fins -- Introduction -- Model definition -- Methods and tests -- Results and comments -- Conclusions -- 12. Heat removal vs pressure drops -- Introduction -- Systems and conditions investigated -- Method and tests performed -- Results and preliminary discussion -- The overall optimisation -- Conclusions -- Conclusions --

A. Constructal theory -- Constructal law: a new sight on engineering and nature -- The concepts of objective, constraints and "better" -- The volume-to-point flow problem -- Elemental volume -- Heat trees -- Fluid trees -- First construct -- Heat trees -- Fluid trees -- Second and higher order constructs -- Heat trees -- Fluid trees -- Three dimensional trees in fluid flows -- Rivers and ducts -- Rivers -- Fluid flow for river basin --Ducts -- Turbulence -- The first and smallest eddy -- Growth of mixing regions -- Dendritic crystals -- Tree-shaped living systems -- Fluid layers heated from below: the case of Benard convection -- Optimized flow paths in fluid layers heated from below -- Parallel-plate channels -- Flow spacing in forced and natural convection -- Forced convection flow -- Natural convection flow -- Improvement of design -- Multiobjective architectures -- Plate fins with variable thickness and height -- Pin-fins -- Duct with wrinkled entrances -- Thermodynamics of flow structures -- Equilibrium and non-equilibrium flow structures -- Constructal law and thermodynamics --

Bibliography for the appendix -- Bibliography -- Authors' biographies.

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The book contains research results obtained by applying Bejan's Constructal Theory to the study and therefore the optimization of fins, focusing on T-shaped and Y-shaped ones. Heat transfer from finned surfaces is an example of combined heat transfer natural or forced convection on the external parts of the fin, and conducting along the fin. Fin's heat exchange is rather complex, because of variation of both temperature along the fin and convective heat transfer coefficient. Furthermore possible presence of more fins invested by the same fluid flow has to be considered.

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Title from PDF t.p. (viewed on April 23, 2011).