Jim Elsey March 2019
I have been involved with horses for most of my life.
Lev Nelik March 2019
I received good feedback from the readers on my January 2019 P&S article “Calculating vs. Estimating Pipe Velocity.” Below are some of the letters and my responses.
Jim Elsey February 2019
“If the only tool you have is a hammer, everything starts to look like a nail”… paraphrased from Dr. Abraham Maslow (“Psychology of Science,” 1966). This famous axiom is also referred to as the law of the instrument.
Jim Elsey January 2019
System designers frequently place strainers on the suction side of a pump.
Jeff Sines January 2019
Editor’s Note: Jeff Sines is a member of Ray Hardee’s team at Engineered Software Inc. This month, he is a guest columnist in Hardee’s place.
Lev Nelik January 2019
During our last Pump School session, one attendee asked how much error there would be if the velocity head and gauge elevation correction were not accounted for.
Jeff Sines December 2018
Editor’s Note: Jeff Sines is a member of Ray Hardee’s team at Engineered Software, Inc.
Jim Elsey December 2018
My last five articles covered the calculation of net positive suction head available (NPSHa).
Aasya Abdennour November 2018
Editor’s Note: Aasya Abdennour works on Ray Hardee’s team at Engineered Software and is filling in for Hardee with this month’s column.
Lev Nelik November 2018
Here are two questions on Part 1 of this article from the September issue of Pumps & Systems.
Dominik Fry October 2018
Editor’s Note: Dominik Fry is a member of Ray Hardee’s team at Engineered Software Inc. This month, he is a guest columnist in Hardee’s place.
Joseph Benefield September 2018
When it comes to pumping systems that have varying demands, many engineers are hesitant to size the pump to less than the highest possible load. While this is certainly conservative from a flow standpoint, the downside is that additional costs are incurred to mitigate what might be a small risk.
Lev Nelik September 2018
Unless a brand new plant is being designed, users decide to replace a pump because of its age and wear or persistent reliability issues.