Ray Hardee March 2017
Smart pumping is not just about buying a pump for your system that has a high best efficiency point or installing a variable frequency drive to reduce power consumption and energy costs.
Jim Elsey March 2017
Some common goals clients report to me include having a pump that operates reliably for a long time combined with an inexpensive installation. I would argue that it is rare to accomplish both on the same job.
Lev Nelik March 2017
Editor’s Note: Lawrence Leising, maintenance supervisor for the Town of Amherst, New York, Engineering Department’s Wastewater Treatment Division, contributed to this column.
Jim Elsey February 2017
It seems that most pump owners/operators immediately blame the manufacturer if the pump shaft breaks. Yet in most cases, it is not the manufacturers’ fault. This article explores the issue and the potential causes.
Ray Hardee February 2017
Engineers involved with any project that includes more than a cursory amount of digging must consider how to manage groundwater.
Ray Hardee January 2017
Past Pump System Improvement columns have focused on piping systems made of one or two circuits.
Jim Elsey January 2017
The famous Swiss psychiatrist and psychotherapist Dr. Carl Jung is often quoted as saying, “What you resist persists.” I always took it to mean that because I had problems with calculus in college, I would always be in professional positions that would require me to be proficient in the subject.
Ray Hardee December 2016
In last month’s column, we discussed how to use a piping system model for operator training, system troubleshooting and improvements. This month, we will discuss one of the fundamental engineering principles used to build a piping system model.
Jim Elsey December 2016
End users frequently ask me, “How long will the pump operate?” Of course, my answer is, “It depends.”
Ray Hardee November 2016
In previous columns, we have discussed how a physical system can be simulated by developing an accurate model of the system. This month, we will explore how simulators in industrial applications can increase safety and system uptime.
Jim Elsey November 2016
You are driving down the highway in your car when a tire suddenly goes flat. You pull over and prepare to change the tire when, to your dismay, you discover that the spare has no air—and the jack is missing.
Lev Nelik November 2016
This column will provide feedback on a quiz published in my August 2016 Pumps & Systems column titled “Optimizing Pump Hydraulics: When Is It Important?” (Read it here) Readers were asked to estimate