HOR 140 Irrigation Pump Applications

Lecture Hours: 2
Lab Hours: 2
Credits: 3

Explores pump types commonly used in irrigation applications and the operating characteristics, advantages, and disadvantages of each pump type. Presents information needed to select a pump and the associated components including power and drive units. Presents information on installation practices.

Student Learning Outcomes:

Identify pump classes and types and piping materials and fittings
Select pumps based on piping system dynamics, process fluid density, and affinity laws
Perform pump maintenance exercises including naming components, replacing packing, and assembling pumps
Use and interpret pump and system curves
Evaluate net pressure suction head (NPSH) characteristics
Interpret NPSH criteria and apply to suction side design
Analyze series and parallel pumping applications

Content Outline

Pump basics
Types of pumps
- Centrifugal pumps
- End suction horizontal centrifugal pumps
- Split case, double suction horizontal pumps
- Vertical turbine pumps
- Submersible pumps
- Jet pumps
- Positive displacement pumps
Pump performance
- Design flow rates
- Design pressure - total dynamic head
- Net positive suction head
- Total dynamic suction lift
- Cavitation
Pump curves, system curves, and pump selection
- Centrifugal pump curves
- Vertical turbine pump curves
- System curves
- Pump selection
Pump affinity laws
- Changing the pump speed
- Changing the impeller diameter
Multiple pump stations
- Pumps in series
- Pumps in parallel
Automation
- Pressure control
- Other automatic control valves
Pumping plant site design
- Pump stations/houses
- Prepackaged pump stations
Pump operation and maintenance
Pump testing
- Flow measurement
- Energy consumption measurement