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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.


Category: Pumping/Pumps


8 Reasons Pumps Operate Off Their Curves

Flow Control, Oct. 30, 2015, by Randy Riddell.

"The plant is having process issues, and the culprit appears to be a process centrifugal pump. The area production manager has asked you to check the pump to see if it is operating on its curve. “Pump won’t pump, make pump pump,” he says. Sounds like a reasonable request. However, other questions need to be answered, such as: Where is the pump running on its curve? If it is not running on its curve, why?"

Calibrate Faster, Smarter & More Accurately [Pump Systems]

Pumps & Systems, Oct. 2015, by Jim Shields.

"As the price of raw materials fluctuates, industries must minimize costs and maximize profit margins. One way to control costs is to become leaner and more efficient. Every time companies remove waste in their processes, they save money. That includes maintenance and efficiency of pumps that move materials through a facility."

Eccentric Disc Pumps Provide Efficient Alternative to Traditional Lobe Pumps

Pumps & Systems, Oct. 2015, by Paul Cardon.

"In food-processing applications, this technology excels at product recovery and waste reduction."

Intelligent Automation Transforms the Pump Industry Landscape

Pumps & Systems, Oct. 2015, by Mike Pemberton.

"The digital revolution is rapidly transforming one industry after another.... As the digital revolution continued to evolve, process pumps—which were not previously considered to be a component of the control system—became a distinct part of the automation architecture. This phenomenon began with the advent of intelligent variable frequency drives (VFD) that contain embedded knowledge about the pump and its performance. In addition to the energy and reliability benefits inherent in VFDs, embedded pump intelligence enhances the asset management capabilities of the drive and control system."

Understanding Vacuum Pump Lubricants

Blower & Vacuum Best Practices, Sep. 2015, by David Mitchell.

"“What is the best type of oil to use in my vacuum pump?” is a common question for sure, and one that may often yield confusing and conflicting answers. The rule of thumb is that it is always best to follow OEM recommendations, but why do they recommend the lubricants that they do? For the purpose of this article, we will focus on some of the general industrial vacuum pump applications and their lubricant choices."

Energy Efficiency in Water & Wastewater

Pumps & Systems, Sep. 2015, by Jeff Bergman.

"VFDs [Variable Frequency Drives] can reduce energy consumption and water loss in variable pumping systems."

Validate Sealing Systems for Optimized Performance

Pumps & Systems, Aug 2015, by Larry Castleman.

"Sealing systems can play a vital role in equipment performance and are considered critical components in the validation process of a design. Engineers should closely examine the sealing systems used in their equipment, because they do everything from preventing seal leakage and extending hydraulic cylinder life to lowering dynamic friction and controlling hydraulic motor position."

Optimize High-Energy Pumps With Improved Impeller Design

Pumps & Systems, Aug 2015, by Bob Jennings & Dr. Gary Dyson.

"The rising cost of electrical power has caused many industrial plants to shift their focus to energy consumption. Plants often run pumping equipment continuously, and much research has pointed to opportunities for cost savings by optimizing pumping equipment. When evaluating the potential for energy savings, end users cannot consider a pump in isolation. The suitability of the pump for the system within which it operates is vital. Even the best designed and most efficient equipment offers power-saving potential if it is run off its best efficiency point (BEP) in a system for which it is ill-applied."

Balancing Software Conserves Energy in Multiple-Pump Systems

Pumps & Systems, Sep. 2015, by Kurt Bihler.

"Each adjustable speed drive can find its own set point independently without stressing the entire system. Process control through traditional adjustable speed drives (ASDs) with centrifugal pumps has an inherent problem of attempting to use a linear equation to solve a non-linear problem. Common ASD controller software provides an estimated speed to achieve a desired set point. But when the target speed is reached with this method, the set point is not available because the answer is on an unknown non-linear curve."

10 Key Facts About Reciprocating Pumps

Pumps & Systems, July 2015, by Gary Dyson and Herb Tackett Jr.

"While centrifugal pumps are the subject of much training, the dwindling population of reciprocating pumps has led to a loss of understanding of this pump type's unique system design requirements. Centrifugal pump specifications are now commonly and incorrectly applied to reciprocating pumps, which can lead to significant reliability problems. End users should consider these 10 key facts about reciprocating pumps that can influence reliability and operation."
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