Diameter impeller of a radial-flow water pump rotates

Assignment Help Mechanical Engineering

Reference no: EM13719028

A 400-mm-diameter impeller of a radial-flow water pump rotates at 120rad/s and has a discharge of 0.5m3/s. Determine the discharge for a similar pump that has an impeller diameter of 100mm and operates at 90rad/s.

Reference no: EM13719028

Questions Cloud

Quantitatively amount of work needed in these two cases : You can transform a long bar of stainless steel from an initial 25 mm in diameter to 23 mm diameter by either machining or by drawing. Compare quantitatively the amount of work needed in these two cases.

Explain about transaction and transform mapping : explain about transaction and transform mapping

Width from plate for values of the critical reynolds number : Consider atmospheric air at 25 degrees Celsius and a velocity at 25 m/s flowing over both sides of a 1 eter long flat plate that is maintained at 125 degrees Celsius. Determine the rate of heat transfer per unit width from the plate for values of th..

Explain how you define the times of sunrise and sunset : Explain how you define the nodes xk that represent the dates above - Define a global interpolating polynomial Pr that passes through all data points given for the time of sunrise.

Diameter impeller of a radial-flow water pump rotates : A 400-mm-diameter impeller of a radial-flow water pump rotates at 120rad/s and has a discharge of 0.5m3/s. Determine the discharge for a similar pump that has an impeller diameter of 100mm and operates at 90rad/s.

Engine assuming gallon gasoline produces : As a 75 slug car travels along a horizontal, 3200 ft section of road, it changes speed from 5 mph to 60 mph. During this acceleration, how efficient is the car's engine assuming 1 gallon gasoline produces 120 MJ of energy when completely combusted in..

Temperature of the refrigerant exiting the compressor : Refrigerant R134a is compressed under steady conditions from a saturated vapour at 100 kPa to 500 kPa. The compressor’s isentropic efficiency is 85%. Heat losses from the compressor can be ignored, as can kinetic energy and potential energy effects.

Heat exchanger required to achieve the desired heating : A counter-flow double pipe heat exchanger is heat water from 20 degrees Celsius to 80 degrees Celsius at the rate of 1.2 kg/s. The heating is to be accomplished by geothermal water available at 160 degrees Celsius at a mass flow rate of 2 kg/s.

Counter flow double pipe heat exchanger is to heat water : A counter flow double pipe heat exchanger is to heat water from 20 degrees Celsius to 80 degrees Celsius at the rate of 1.2 kg/s. The heating is to be accomplished by geothermal water available at 160 degrees Celsius at a mass flow rate of 2 kg/s.

User Account

All Pages