Lev Nelik
Lev Nelik responds to readers' questions related to system curves and boiler feed systems.
Lev Nelik responds to readers' questions about calculating and estimating pipe velocity
Lev Nelik responds to readers' questions about calculating and estimating pipe velocity
Columnist Lev Nelik says it is important to know when you can use a shortcut, and when to go the long way.
Lev Nelik explains calculations from the Moody diagram.
Consider pipe sizing and motor power requirements before picking your pump.
Quantifying the benefits of modifications.
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.
Pumping Prescriptions
Pumping Prescriptions