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Ingeniería Mecánica. Tecnología y Desarrollo 2005, 1 6

Autor: Adrian Bejan

Fuente: http://www.redalyc.org/


Introducción



Ingeniería Mecánica.
Tecnología y Desarrollo ISSN: 1665-7381 fjso@servidor.unam.mx Sociedad Mexicana de Ingeniería Mecánica México Bejan, Adrian Constructural theory: The generation of flow-system architecture, from engineering and nature Ingeniería Mecánica.
Tecnología y Desarrollo, vol.
1, núm.
6, marzo, 2005, pp.
195-201 Sociedad Mexicana de Ingeniería Mecánica Distrito Federal, México Available in: http:--www.redalyc.org-articulo.oa?id=76810601 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative INGENIERÍA MECÁNICA TECNOLOGÍA Y DESARROLLO Vol.
1 No.
6 (2005) 195 - 201 Constructal theory: The generation of flow-system architecture, from engineering and nature Adrian Bejan J.
A.
Jones Professor of Mechanical Engineering, Duke University, Durham, North Carolina, 27708-0300, USA, dalford@duke.edu ABSTRACT This is an introduction to the constructal theory of the origin and generation of geometric form in all flow systems: the animate, the inanimate and the engineered.
Constructal theory is based on the thought that it is natural for currents to construct for themselves paths of least resistance.
It is shown that this process of flow path optimization can be reasoned on the basis of principle: the maximization of global performance subject to finite-size constraints.
One example is the generation of tree-shaped flow patterns, as paths of least resistance between one point (source, sink) and an infinity of points (area, volume), as in the circulatory, respiratory and nervous systems.
Another is the generation of regular spacings in heat generating volumes, such as swarms of honeybees.
A third example is the distribution of heat sources on a wall with maximum heat transfer density.
The optimized tree-flow geometries ac...





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