Temperature Rise Due To Pumping

No pump is perfect with 100% efficiency. Energy lost in friction and hydraulic losses transforms to heat – heating up the fluid transported through the pump and the piping. PLTB calculates this temperature rise.

Throttling the discharge valve will result in a temperature increase. Reduced efficiency of pumps results in temperature increases.

𝑡_𝑦 − Temperature Rise due to Pumping [℉]

𝐻 − Total Head [ft]

𝑛 − Pump Efficiency

𝑐_𝑝 − Specific Heat [Btu/lb℉]

Input Parameters

1. To create a new case, click the “Add Case” button
2. Select the Pump Specific Speed 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

• Total Head [ft]
• Liquid Specific Heat [Btu/lb ˚F]
• Pump Efficiency

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.

• Temperature Rise [˚F]

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