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COMPARATIVE STUDY OF THE EXERGY BEHAVIOR OF AMPHIBIANS AND HUMANS

Grant number: 14/11142-3
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2014
Effective date (End): February 28, 2015
Field of knowledge:Engineering - Mechanical Engineering - Thermal Engineering
Principal Investigator:Silvio de Oliveira Junior
Grantee:Carlos Eduardo Keutenedjian Mady
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

This scholarship application for Postdoctoral, aims to apply exergy analysis to biological systems. To this end, it is considered a model to represent the exergy behavior of the human body. This model takes into account the exergy transfers to the environment associated with convection, radiation, vaporization and respiration, as well as temporal variation of exergy body associated with transient environmental conditions. It also can be estimated from spirometry results (oxygen consumption and carbon dioxide production) or anthropometric data (of society or individual) the metabolic exergy (associated with reactions of oxidation of the nutrients). From previous work of the group, it was found that when a human is subjected to hypothermia, the rate of exergy destroyed in the body decreases, while the exergy efficiency increases. Based on this result it is proposed to adapt the human thermal model to an ectothermic animal, an amphibian for example, obtaining an energy and an exergy model. From this modification it will be possible to compare which form of thermoregulation possesses greater efficiency from the perspective of the Second Law of Thermodynamics.

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
KEUTENEDJIAN MADY, CARLOS EDUARDO; HENRIQUES, IZABELA BATISTA; DE OLIVEIRA, JR., SILVIO. A thermodynamic assessment of therapeutic hypothermia techniques. ENERGY, v. 85, p. 392-402, . (09/17578-0, 14/11142-3)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.