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Constructal Design for Efficiency: The Case of an Entropic Wall With Circulating Water

[+] Author Affiliations
Antonio Dumas, Michele Trancossi, Mauro Madonia

Università di Modena e Reggio Emilia, Reggio Emilia, RE, Italy

Paper No. IMECE2013-63466, pp. V08CT09A052; 9 pages
doi:10.1115/IMECE2013-63466
From:
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 8C: Heat Transfer and Thermal Engineering
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5636-9
  • Copyright © 2013 by ASME

abstract

This paper presents an effective analysis on the relation between the changing architecture of a flow system and the maximization of global performance under constraints. An entropic wall with circulating water based on LESP concept has been analyzed. It is a wall with good acclimatizing properties generated by circulating water, which is thermally stabilized by exchanges in the ground. The system has been considered by different levels of complexity. The thermal structure is optimized by considering the system as a sequence of building blocks with assemblies of stepwise larger sizes: an entire wall and the entire building.

The optimal flow network is tree shaped. Different levels of optimization have been performed according to the different scale levels. On an elemental scale is has been optimized the properties of the single elemental block constitutive of the considered wall. On a single wall level, the system has been optimized to optimize internal fluid distribution system, maximizing the thermal uniformity and minimizing the weight of the wall.

The calculation process have been improved enriching the Constructal approach by a novel calculation method which has been defined for introducing more systemic algorithmic calculations at engineering level. This method has been defined as Constructal Design for Efficiency.

Copyright © 2013 by ASME
Topics: Design , Water

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