Apostila Mec. Flu

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Aula 15 Prof. MSc. Luiz Eduardo Miranda J. Rodrigues Exercício 1 1) Uma mistura de dois líquidos é bombeada para um tanque de 30m³ de um caminhão, determine: a) A massa específica da mistura dos dois líquidos. b) A velocidade do escoamento no ponto (3). c) A velocidade do escoamento na tubulação de recalque. d) A potência da bomba. e) O tempo necessário para encher o reservatório do caminhão. Dados: ρ 1 = 600kg/m³, ρ 2 = 800kg/m³, Q v1 = 4 litros/s, Q v2 = 3 litros/s, γ H2O = 10000N/m³, g = 10m/s², d 3 = 10cm, d rec = 5cm, η B = 80%, P 3 = -0,2bar. (5) 10m (3) B (4) M 4m ref (1) (2) Mecânica dos Fluidos
Aula 15 Prof. MSc. Luiz Eduardo Miranda J. Rodrigues Solução do Exercício 1 a) Massa específica da mistura: b) Velocidade em (3): ∑ ρ Q me = ∑Qms 1 ⋅ Q V1 + ρ 2 ⋅ QV 2 = ρ 3 ⋅ ( QV 1 + QV 2 Q = Q + Q V 3 V1 V 2 ρ ⋅ Q + ρ ⋅ Q = ρ ⋅ Q 1 V1 2 V 2 3 V 3 ρ1 ⋅ Q ρ = 3 V1 + ρ ⋅ Q Q V 3 600 ⋅ 4 + 800 ⋅ 3 ρ 3 = 7 2 V 2 ) 2400 + ρ 3 = 7 4800 ρ 3 = ρ 71 7 3 = 685, kg/m³ 2400 v v 4⋅Q V 3 3 = 2 π ⋅ d 3 −3 4 ⋅ 7 ⋅10 3 = 2 π ⋅ 0,1 v 3 = 0,89m/s c) Velocidade em (5): 4 ⋅ QV 3 vrec 2 ⋅ d v 5 = = π rec −3 4⋅7⋅10 2 π ⋅0,05 v 5 = 3,56m/s Mecânica dos Fluidos
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Mecânica dos Fluidos Aula 1 - Defi
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Aula 1 Prof. MSc. Luiz Eduardo Mira
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Mecânica dos Fluidos Aula 6 - Man
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Mecânica dos Fluidos Aula 7 - Flut
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Mecânica dos Fluidos Aula 9 - Aval
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Aula 10 Prof. MSc. Luiz Eduardo Mir
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Mecânica dos Fluidos Aula 11 - Equ
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Page 165 and 166: Aula 11 Prof. MSc. Luiz Eduardo Mir
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Mecânica dos Fluidos Aula 20 - Rec
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Apostila Mec. Flu

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