Determine the design parameters of a centrifugal pump which will deliver 55 l/sdiesel oil against a pressure of 200 kPa at the supplied power of 14.47 kW. Thespeed of the pump is 1250 rpm and specific gravity of oil is 0.85. The ratio ofwidth of the impeller at inlet and outlet is 2.0. The manometric efficiency is 76%and the velocity of whirl at inlet is zero

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Answered: Determine the design parameters of a…

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 volute centrifugal pump has the following performance data at the best efficiency point: volumetric flow rate Q-0.015 m's Ah - 65 m total head required net positive suction head NPSH- 16 m liquid power impeller speed impeller diameter Evaluate the performance of an homologous pump which operates at an impeller speed of 29.2 rev/s but which develops the same total head Ah and requires the same NPSH. PE- 14000 W N= 58.4 revis D-0.22 m
In case of centrifugal pump, the centrifugal force due to unbalanced mass generated at impeller having diameter 168 mm and mass is 3.46 kg running at 2880 rpm is 57. Option A: Option B: Option C: Option D: 76.40 N 90.13 N 56.96 N 40.32 N
Oil (y = 48lbf /ft°, p = 2 x 105 Ibf x s/ft2 and Pv = 1.9 PSI) is pumped into the system showing a speed of 4.6 ft/s. The atmospheric pressure is 14.7 PSI. The manufacturer provides the following data for a centrifugal pump operating at its maximum efficiency point: rotational speed of 3000 RPM, flow rate of 0.17 ft/s, NPSH of 150 ft, and dimensionless specific velocity of 0.48. Determine if the pump described has the necessary head to be installed in the system shown (ɛ/D = 0.001) when a 1750 RPM motor is available to drive it. Neglect larger losses after the pump.
Problem 2: Design a Pelton wheel turbine for a head of 350 m at a speed of 300 rpm. Take the overall efficiency of the wheel as 85% and ratio of jet to the wheel diameter as 1/10. Assume a proper value for the coefficient of velocity, and relationship between the jet and bucket velocities.
An idelaized centrifugal pump, data given as follows; Blade outer radius of blade = 35 mm Power 2 KW Running speed = 2000 rpm Entry of liquid into the pump is axial and exit from the pump is radial with respect to impeller. Determine the mass fow rate of the liquid through the pump?
I need the answer as soon as possible
A multistage centrifugal pump is required to lift 9000 lit/min from a mine, the total head including friction being 500 m. If the speed of the pump is 2900 rpm, if the specific speed per stage is not to be less than 60.The least number of stages, O 10 O 6 . O 14 O 17
Determine the maximum total head at which a 7hp centrifugal pump can extract at a rate of 350 gpm if the pump efficiency is 50%.
When designing an impeller for a centrifugal pump, you would consider the following materials attributes. [M ten waaler vir 'n sentrifugale pomp ontwerp, sal jy die volgende materiaal eienskappe in ag neem.] O A. creep strength and density O B. hardness and chemical composition O C. toughness and stiffness O D. hardness and thermal expansion
Problem1 A two stage centrifugal pump is designed to discharge water at a total head of 70 m with an overall efficiency of 0.76. The pump runs at 2331.6 rpm. The actual head developed (per stage) is 65% of the theoretical head. The flow at the inlet is pure radial. The impeller at the exit has a diameter of D2 = 0.219 m and a width of b, = 0.0216 m. The outlet blade angle is ß2 = 28°. Determine: 1. The flow rate of the pump. 2. The output power of the two stage centrifugal pump. p = 1000kg/m³ g = 9.81 m²/s Take

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