Lev Nelik explains calculations from the Moody diagram.
Consider pipe sizing and motor power requirements before picking your pump.
Lev Nelik answers reader's question about an Israeli infrastructure water project.
Choosing fresh water or salt water for a man-made river
Lev Nelik explains water distribution developments in Israel.
Dr. Nelik and other experts make recommendations for an engineer in a Middle Eastern plant.
Casing changes cause efficiency effects.
Pumping Prescriptions
As we celebrate National Columnist's Day, learn more about our monthly authors.
Regarding the vibration spectrum on page 12 of the February 2016 issue of Pumps & Systems ("Using Pump Efficiency Monitoring to Make Faster Decisions," Figure 1, see image below and read the whole...
When a pump operates far from its best efficiency point (BEP) flow—either to the right or to the left—vibration, cavitation, overload and damage to the equipment can result. The letter below is an...
In 2015, I wrote a series for Pumps & Systems titled "Efficiency Monitoring Saves Plants Millions." (Read the whole series here.) I gave readers a real-world example of the importance of understanding...