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Constructal theory of economics

Author

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  • Bejan, A.
  • Badescu, V.
  • De Vos, A.

Abstract

This paper extends to economics of the constructal theory of generation of shape and structure in natural flow systems that connect one point to a finite size area or volume. By invoking the principle of cost minimization in the transport of goods between a point and an area, it is possible to anticipate the dendritic pattern of transport routes that cover the area, and the shapes and numbers of the interstitial areas of the dendrite. It is also shown that by maximizing the revenue in transactions between a point and an area, it is possible to derive not only the dendritic pattern of routes and their interstices, but also the optimal size of the smallest (elemental) interstitial area. Every geometric detail of the dendritic structures is the result of a single (deterministic) generating principle. The refining of the performance of a rough design (e.g. rectangles-in-a-rectangle) pushes the design towards a structure that resembles a theoretically fractal structure (triangle-in-triangle). The concluding section shows that the law of optimal refraction of transport routes is a manifestation of the same principle and can be used to optimize further the dendritic patterns. The chief conclusion is that the constructal law of physics has a powerful and established analogue in economics: the law of parsimony. The constructal theory, as extended in this paper, unites the naturally-organized flow structures that occur spontaneously over a vast territory, from geophysics to biology and economics.

Suggested Citation

  • Bejan, A. & Badescu, V. & De Vos, A., 2000. "Constructal theory of economics," Applied Energy, Elsevier, vol. 67(1-2), pages 37-60, September.
    • Handle: RePEc:eee:appene:v:67:y:2000:i:1-2:p:37-60
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    Citations

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    Cited by:

    1. Wei, Shuhuan & Chen, Lingen & Sun, Fengrui, 2009. "The area-point constructal optimization for discrete variable cross-section conducting path," Applied Energy, Elsevier, vol. 86(7-8), pages 1111-1118, July.
    2. Manjunath, K. & Kaushik, S.C., 2014. "Second law thermodynamic study of heat exchangers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 40(C), pages 348-374.
    3. Abusoglu, Aysegul & Kanoglu, Mehmet, 2009. "Exergoeconomic analysis and optimization of combined heat and power production: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(9), pages 2295-2308, December.
    4. Zhou, Shengbing & Chen, Lingen & Sun, Fengrui, 2007. "Optimization of constructal economics for volume-to-point transport," Applied Energy, Elsevier, vol. 84(5), pages 505-511, May.

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