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The best-laid plans are sometimes fraught with disappointing outcomes. There is one good reason for this type of failure. The people involved in implementing the plan are all imperfect. So, mistakes...

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The best-laid plans are sometimes fraught with disappointing outcomes. There is one good reason for this type of failure. The people involved in implementing the plan are all imperfect. So, mistakes should be expected from time to time even after conducting a thorough DFMEA (Design Failure Mode and Effect Analysis) on the system you design.
A significant concern with any fluid transport/delivery system is pump selection. Careful initial thought and analysis must be ca
ied out prior to a pump selection and, sometimes, trouble-shooting a not-so-good selection.
Review the list below regarding the classification of pumps. As you can see, these pumps are classified into positive displacement, kinetic, and jet/ejector type.
Positive Displacement
Rotary
Gea
Vane
Screw
Progressing cavity
Lobe or cam
Flexible tube (peristaltic)
Reciprocating
Piston
Plunge
Diaphragm
Kinetic
Radical flow (centrifugal)
Axial flow (propeller)
Mixed flow
Jet or ejector type
In your paper, answer the following:
*Choose one of the pump types.
*Indicate the pump you intend to analyze for your proposed modification.
*Do your research.
*Provide a specification sheet that has enough general information an engineer would need to choose a pump for their design purposes.
*Briefly (using more than just two or three sentences) discuss 2 different applications where the pump would prove to be a good choice.
*Discuss some disadvantages the engineer would face with this pump choice in both applications you specified.
*After running your system for 6 months, you start to notice some performance degradation. You remove the pump you chose and discover evidence of cavitation. Thoroughly discuss troubleshooting steps you could take to determine possible reasons cavitation is developing in the pump.
Answered Same Day Feb 12, 2023

Solution

Amar Kumar answered on Feb 12 2023
31 Votes
I'll evaluate the improvement you propose making to the positive displacement pump.
Positive Displacement Pump Specification Sheet:
· Flow rate: Up to 500 gallons per minute
· Displacement accuracy: +/- 1%
· Maximum discharge pressure: 200 psi
· Maximum suction lift: 25 feet
· Liquid temperature range: 32°F to 140°F
· Viscosity range: up to 100,000 cps
· Materials of construction: cast iron, stainless steel, and various other alloys
Positive Displacement Pumps are commonly used in two different applications:
Transfe
ing fluids in industrial processes: The transfer of liquids, such as chemicals, oil, and other industrial fluids [1], is frequently done in industrial operations via positive displacement pumps. They are especially helpful in processes like mixing chemicals or filling that need for a steady flow rate of the fluid.
Agricultural I
igation: In agricultural i
igation systems, positive displacement pumps are frequently employed to move water from wells or other sources to fields. Because they can manage a wide variety of flow rates and high quantities of fluid, they are chosen in this application.
Some...
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