AC Motors: Magnetism and the DC Motor
I received many comments on my four-part series on AC Power, and most of them were very positive. Several readers, however, thought they were too elementary. Ireminded them that the title of my column...
Facts and Fiction About Vibration
Facts can be tough—our emotions may get in the way. What we think we know is not always factual but is based on what we may intuitively feel is an undisputed truth. It is human to expect everyone...
How is Gasket Stress Defined in Industry?
Gasket stress is a term commonly used to describe the unit load on its surface. It is one of the most important parameters of a bolted joint because it directly impacts the ability of the gasket to...
Hydraulic Institute Pump FAQs March 2011
Q. I am aware that there are requirements for the inlet piping of rotodynamic pumps. What are the requirements for the discharge piping of a pump?A. The maximum velocity at any point in the outlet...
New Packaged Pump Station Updates Aging System
Packaged wet well mounted pump station passes the test for school design-build sewer project.Hazelwood West High School, nestled in north St. Louis County, Missouri, serves approximately 2,400...
Prime Pump Opportunities
The Indian Water and Wastewater IndustryWhile major global economies are still feeling the effects of the 2009 recession, signs of strength are occurring in the Indian economy. Investor confidencehas...
A monumental project to protect the Big Easy.Hurricane Katrina—the sixth strongest recorded Atlantic hurricane and the most costly natural disaster in U.S. history—made its third and final...
The Power of Wear Rings, Part 1
Understand the Lomakin EffectReliability leaders view every repair as an opportunity for improvement. After all, most process plants in Europe and North America are more than 20 years old. It makes...