iprj 02-11893 mecÂnica dos fluidos i - livia jatoba · viscoso vs nÃo-viscoso 3 monday, september...
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![Page 1: IPRJ 02-11893 MECÂNICA DOS FLUIDOS I - LIVIA JATOBA · VISCOSO vs NÃO-VISCOSO 3 Monday, September 19, 16. O experimento de Reynolds 4 Monday, September 19, 16. O experimento de](https://reader031.vdocuments.site/reader031/viewer/2022021709/5bd7c94c09d3f2a6618d4d6a/html5/thumbnails/1.jpg)
Aula 08: Classificação do movimento dos fluidos.
19 de setembro de 2016
Professora Livia Jatobá
1
IPRJ 02-11893 MECÂNICA DOS FLUIDOS Iwww.liviajatoba.com/iprj02-11893
Monday, September 19, 16
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CLASSIFICAÇÃO DO ESCOAMENTO
2
Monday, September 19, 16
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VISCOSO vs NÃO-VISCOSO
3
Monday, September 19, 16
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O experimento de Reynolds
4
Monday, September 19, 16
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O experimento de Reynolds
4
Monday, September 19, 16
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O experimento de Reynolds
Monday, September 19, 16
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O experimento de Reynolds
Monday, September 19, 16
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CLASSIFICAÇÃO DO ESCOAMENTO
6
Monday, September 19, 16
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ESCOAMENTO EXTERNO
7
ESCOAMENTO INVÍSCIDO ESCOAMENTO VISCOSO
Esteira
Ponto de separação
Considere o escoamento incompressível e com número de Reynolds alto.
LINHAS DE CORRENTE
Monday, September 19, 16
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ESCOAMENTO EXTERNO
8
CAMADA LIMITE
Monday, September 19, 16
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ESCOAMENTO EXTERNO
8
CAMADA LIMITE
Monday, September 19, 16
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ESCOAMENTO EXTERNO
Re < 5 Não ocorre separação do escoamento.
5 < Re < 40 Formam-se dois vórtices fixos na esteira
40 < Re < 150 Esteira de vórtices laminar.
Monday, September 19, 16
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ESCOAMENTO EXTERNO
150 < Re < 3.105Camada limite laminar até o ponto de separação. A esteira de vórtices é turbulenta.
3.105 < Re < 3.106
Esteira de vórtices turbulenta.3.106 < Re
Escoamento transicional.
Monday, September 19, 16
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ESCOAMENTO EXTERNO
Monday, September 19, 16
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ESCOAMENTO INTERNO
12
LAMINAR vs TURBULENTO
Monday, September 19, 16
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ESCOAMENTO INTERNO
12
LAMINAR vs TURBULENTO
Monday, September 19, 16
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COMPRESSÍVEL vs INCOMPRESSÍVEL
Monday, September 19, 16
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Aula 08: Estática dos fluidos. Hidrostática.
19 de setembro de 2016
Professora Livia Jatobá
14
IPRJ 02-11893 MECÂNICA DOS FLUIDOS Iwww.liviajatoba.com/iprj02-11893
Monday, September 19, 16
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ESTÁTICA DOS FLUIDOS
15
APLICAÇÕES:
Hidrostática: distribuição de pressão na atmosfera, em oceanos.Manômetros: instrumentos para medir pressão.Forças em superfícies submergidasEmpuxo
Monday, September 19, 16
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HIDROSTÁTICA
16
Monday, September 19, 16