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ATIVIDADE 1 - HIDRÁULICA - 52/2023
QUESTÃO 1

Você, enquanto Engenheiro(a), tem a tarefa de substituir o lubrificante do pistão de
certo equipamento. O pistão é cilíndrico, com massa de 500g, diâmetro de 15cm e
altura de 5cm. Ele trabalha dentro de um cilindro com 15,4 centímetros de diâmetro e
deve cair com a velocidade constante de 1,2 m/s. Qual deve ser a viscosidade dinâmica
do lubrificante para atender a estas condições de operação? Considere uma aceleração
da gravidade de 10 m/s²:
A S S E S S O R I A A C A D Ê M I C A
A C A D Ê M I C A
(43) 99668 - 6495
(43) 98816 - 5388
Figura 1 - Pistão do Equipamento
Fonte: adaptada de: YOSHI, H. C. M. H.; ORGEDA, R. Fenômenos de Transporte.
Maringá: UniCesumar, 2020. 368 p.

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ATIVIDADE 1 - HIDRÁULICA - 52 2023.pdf

  • 1. ATIVIDADE 1 - HIDRÁULICA - 52/2023 QUESTÃO 1  Você, enquanto Engenheiro(a), tem a tarefa de substituir o lubrificante do pistão de certo equipamento. O pistão é cilíndrico, com massa de 500g, diâmetro de 15cm e altura de 5cm. Ele trabalha dentro de um cilindro com 15,4 centímetros de diâmetro e deve cair com a velocidade constante de 1,2 m/s. Qual deve ser a viscosidade dinâmica do lubrificante para atender a estas condições de operação? Considere uma aceleração da gravidade de 10 m/s²: A S S E S S O R I A A C A D Ê M I C A A C A D Ê M I C A (43) 99668 - 6495 (43) 98816 - 5388
  • 2. Figura 1 - Pistão do Equipamento Fonte: adaptada de: YOSHI, H. C. M. H.; ORGEDA, R. Fenômenos de Transporte. Maringá: UniCesumar, 2020. 368 p.