= (a) A centrifugal pump, with salt water as the working fluid, has the impeller blades rotating at 750 rpm. The fluid enters the blades in the radial direction, i.e. at an angle of α₁ = 0°, and exits the blades at an angle of 35º from the radial direction. i.e. d₂ 35º. The inlet radius and blade width are r₁ = 12.0 cm_and_b₁ = 18.0 cm, respectively. The outlet radius and blade width are r₂ = 24.0 cm and b₂ = 16.2 cm, respectively. Assuming 100 percent efficiency, and if the volumetric flow-rate through the pump is 0.573 m³/s, compute the net head produced by the centrifugal pump. Furthermore, calculate the required brake horsepower in Watts. Take the density of salt water to be p = 998.0 kg/m³.
= (a) A centrifugal pump, with salt water as the working fluid, has the impeller blades rotating at 750 rpm. The fluid enters the blades in the radial direction, i.e. at an angle of α₁ = 0°, and exits the blades at an angle of 35º from the radial direction. i.e. d₂ 35º. The inlet radius and blade width are r₁ = 12.0 cm_and_b₁ = 18.0 cm, respectively. The outlet radius and blade width are r₂ = 24.0 cm and b₂ = 16.2 cm, respectively. Assuming 100 percent efficiency, and if the volumetric flow-rate through the pump is 0.573 m³/s, compute the net head produced by the centrifugal pump. Furthermore, calculate the required brake horsepower in Watts. Take the density of salt water to be p = 998.0 kg/m³.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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(a) A centrifugal pump, with salt water as the working fluid, has the impeller blades
rotating at 750 rpm. The fluid enters the blades in the radial direction, i.e. at an angle
of α₁ = 0°, and exits the blades at an angle of 35° from the radial direction. i.e. α₂ =
35⁰. The inlet radius and blade width are r₁ 12.0 cm and b₁ = 18.0 cm,
respectively. The outlet radius and blade width are 1₂ = 24.0 cm and b₂ = 16.2 cm,
respectively. Assuming 100 percent efficiency, and if the volumetric flow-rate through
the pump is 0.573 m³/s, compute the net head produced by the centrifugal pump.
Furthermore, calculate the required brake horsepower in Watts. Take the density of salt
water to be p 998.0 kg/m³.
=
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