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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

O fluido etéreo nos estudos do conde Rumford sobre a propagação do calor

Alves, Eliade Amanda 21 March 2018 (has links)
Submitted by Filipe dos Santos (fsantos@pucsp.br) on 2018-07-25T11:56:44Z No. of bitstreams: 1 Eliade Amanda Alves.pdf: 2478985 bytes, checksum: 2164b2a0aa65cd364f6c37916649f84c (MD5) / Made available in DSpace on 2018-07-25T11:56:44Z (GMT). No. of bitstreams: 1 Eliade Amanda Alves.pdf: 2478985 bytes, checksum: 2164b2a0aa65cd364f6c37916649f84c (MD5) Previous issue date: 2018-03-21 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The aim of this work is to comprehend at which moment and for which reasons count Rumford went on to admit the existence of an ethereal fluid to support his hypothesis about media of heat propagation. Thus, we analyzed a series of experiments performed between 1786 and 1804 elaborated by him to investigate about the modes of heat communication. A carefully examination of these experiments and arguments presented by Rumford shows us that the process of the elaboration of his hypothesis was gradual and that took into account not only experimental questions, but also theoretical ones. Through this analysis, we concluded that Rumford took almost twenty years to admit the existence of an ethereal fluid and to present the definite version of his hypothesis that the heat was propagated through undulations in ether / O objetivo desse trabalho é compreender em que momento e por quais razões o conde Rumford passou a admitir a existência de um fluido etéreo para sustentar sua hipótese sobre os meios de propagação do calor. Para tanto, analisamos uma série de experimentos realizados entre 1786 e 1804, que foram elaborados por ele para investigar sobre os modos de comunicação de calor. Um cuidadoso exame desses experimentos e dos argumentos apresentados por Rumford mostra-nos que o processo de elaboração de sua hipótese foi lenta e que levou em consideração não só questões de ordem experimental, mas também teórica. Por meio desta análise, concluímos que Rumford levou quase vinte anos para admitir a existência de um fluido etéreo e apresentar a versão definitiva de sua hipótese de que o calor se propagava por meio de ondulações no éter

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