A flocculate is designed to achieve a velocity gradient of 50 s 3000 m² .the viscosity of the water is 1.1x10 Pa-sec. The coefficient of drag paddle is 1.8 and paddle tip velocity is 0.8 m/sec. The relative velocity of the paddle is with respect to water is 70% of paddle tip velocity. The mass density of water is 1002 kg/m². Calculate the power required for paddles and total area of the paddle with a volume of blades.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A flocculate is designed to achieve a velocity gradient of 50 s with a volume of
3000 m' .the viscosity of the water is 1.1x10 Pa-sec. The coefficient of drag paddle
is 1.8 and paddle tip velocity is 0.8 m/sec. The relative velocity of the paddle is with
respect to water is 70% of paddle tip velocity. The mass density of water is
1002 kg/m. Calculate the power required for paddles and total area of the paddle
blades.
a) 7.57 kW and 45.98 m²
b) 9.12 kW and 60.53 m²
c) 8.25 kW and 52.10 m²
d) 6.38 kW and 39.59 m?
Transcribed Image Text:A flocculate is designed to achieve a velocity gradient of 50 s with a volume of 3000 m' .the viscosity of the water is 1.1x10 Pa-sec. The coefficient of drag paddle is 1.8 and paddle tip velocity is 0.8 m/sec. The relative velocity of the paddle is with respect to water is 70% of paddle tip velocity. The mass density of water is 1002 kg/m. Calculate the power required for paddles and total area of the paddle blades. a) 7.57 kW and 45.98 m² b) 9.12 kW and 60.53 m² c) 8.25 kW and 52.10 m² d) 6.38 kW and 39.59 m?
A flocculate is designed to achieve a velocity gradient of 50 s with a volume of
3000 m' .the viscosity of the water is 1.1x10 Pa-sec. The coefficient of drag paddle
is 1.8 and paddle tip velocity is 0.8 m/sec. The relative velocity of the paddle is with
respect to water is 70% of paddle tip velocity. The mass density of water is
1002 kg/m. Calculate the power required for paddles and total area of the paddle
blades.
a) 7.57 kW and 45.98 m²
b) 9.12 kW and 60.53 m²
c) 8.25 kW and 52.10 m²
d) 6.38 kW and 39.59 m?
Transcribed Image Text:A flocculate is designed to achieve a velocity gradient of 50 s with a volume of 3000 m' .the viscosity of the water is 1.1x10 Pa-sec. The coefficient of drag paddle is 1.8 and paddle tip velocity is 0.8 m/sec. The relative velocity of the paddle is with respect to water is 70% of paddle tip velocity. The mass density of water is 1002 kg/m. Calculate the power required for paddles and total area of the paddle blades. a) 7.57 kW and 45.98 m² b) 9.12 kW and 60.53 m² c) 8.25 kW and 52.10 m² d) 6.38 kW and 39.59 m?
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