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SHAPE AND STRUCTURE IN ENGINEERING AND NATURE (A. Bejan, Cambridge, 2000) AULA INAUGURAL TM721 – Simulação e Controle de Sistemas Físicos José Viriato Coelho Vargas, UFPR, Brazil Universidade Federal do Paraná Setor de Tecnologia Departamento de Engenharia Mecânica – DEMEC
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SOME IDEAS n Animate and inanimate systems design. Is it appropriate to separate them? n Made from the same chemical elements n Matter Energy n Animate -> inanimate n Inanimate -> animate n Evolution Theory – originally conceived for biological organisms n Constructal Law – unifies all systems design
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SCIENTIFIC RESEARCH EXAMPLE International Journal of Heat and Mass Transfer 48 (2005) 4410–4427 Constructal PEM fuel cell stack design J.V.C. Vargas, J.C. Ordonez, A. Bejan
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Metabolic rate Animal size Slope ~ ¾ animal design Fuel cell design What have we learnt?
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