Required Pump Horsepower

Brake horsepower is a function of capacity, total head, specific gravity of the fluid, efficiency and difference between suction and discharge pressures. The primary limitations include mechanical efficiency (ME), undersized suction line, less turns in the piping and velocity.

Hydraulic/Water Horsepower:

Brake Horsepower:

𝑄 − Pump Capacity [gpm]

𝐻 − Total head [ft]

𝜌 − Specific Gravity Relative to Water

𝑛 − Pump Efficiency

𝑃_𝑑𝑠 − Difference between Discharge and Suction Pressure [psi]

 

Input Parameters

1. To create a new case, click the “Add Case” button
2. Select the Required Pump Horsepower application from the Pipeline Pumps module.
3. Enter Case Name, Location, Date and any necessary notes.
4. Fill out all required fields.
5. Make sure the values you are inputting are in the correct units.
6. Click the CALCULATE button.

• Calculation Method (Total Head or Differential Pressure)
• Liquid Specific Gravity
• Liquid Specific Gravity (Relative to Water)
• Total Head [ft]
• Pump Capacity [gpm]
• Pump Efficiency (Fraction)

 

Outputs/Reports

1. View the results.
2. If an input parameter needs to be edited be sure to hit the CALCULATE button after the change.
3. To SAVE, fill out all required case details then click the SAVE button.
4. To rename an existing file, click the SAVE As button. Provide all case info then click SAVE.
5. To generate a REPORT, click the REPORT button.
6. The user may export the Case/Report by clicking the Export to Excel/PowerPoint icon.
7. To delete a case, click the DELETE icon near the top of the widget.

• Hydraulic/Water Horsepower [hp]
• Brake Horsepower [hp]

 

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