In the Solution to Pump Challenge #3, we touched on efficiency and energy savings by approximating energy costs. Can we do this more precisely?Pump Challenge #4 asks that you evaluate energy saved...
Several years ago, a golf course community wanted to adorn its entrance with a waterfall. Rocks were arranged to form a wall about 12 ft high, and the water would flow over the wall and into a...
In Pump Challenge #3 (Pumping Prescriptions, September 2009), the specified parameters for energy estimation were 4,000 gpm and 400 ft. Using the Energy Estimator tool, you should receive the...
In Pump Challenge #4, many of you discovered while using the Energy Consumption Evaluator, that the standard listing only goes to 8x6-17 pump size with motor power maxed at 250 hp, which is below...
The economic downturn has delivered a heavy blow to the industrial manufacturing sector in North America. Manufacturers are indicating sales drops of 30 percent to nearly 60 percent compared to that...
As energy costs rise and energy efficiency becomes more important in operating pumping systems, equipment suppliers, system designers and operators will maximize the efficiency of system components to...
Pumps & Systems, September 2007Back in the old days, level control had little or nothing to do with saving energy. In fact, it was often a necessary evil. Today, that is no longer true - the VFD...
Apply the Correct Pump Technology
Many factors must be considered before choosing the proper pump for a specific application.Editor's Note: This is the second in a two-part series. For part one of the series, click here.Part One of...
Assessing Pump System Performance
Determining which pumps and their associated systems to assess is the first step in the process.First of Two PartsWhat Is a Pump Assessment?A pump assessment is a mini performance test of the pump...
Benefits of Smart Pumps in Building HVAC Systems
The ever-growing need for energy efficiency demands intelligent pumping systems.Electrical energy demand is projected to double by 2030, putting the world in the midst of a global energy dilemma. At...
Pumps & Systems, October 2008The Merchandise Mart in Chicago, Ill. is the world's largest commercial building, largest wholesale design center and a premier international business location....
Executive SummaryWhen assessing the vast chemical industry, it is usually not advisable to deal in generalities. However, as a base for the market's examination, Beth Beloof and Marianne Lines,...
Pumps & Systems, January 2008Click here to read part two and part three.The stiff competition for global market share is exerting downward pressure on prices at the same time as labor, capital and...
Pumps & Systems, September 2007 Because operational costs ride on efficiency determinations, accurate measurements of losses occurring within the motor are paramount. The reliability of...
Because operational costs ride on efficiency determinations, accurate measurements of losses occurring within the motor are paramount. The reliability of efficiency data is key to any energy-savings...
While it is valid to state that energy efficiency is defined as the same level of production achieved at an overall lower energy cost, it is equally important for today's machine builders and...
In the U.S. industrial sector, motor-driven systems consume 70 percent of all electricity. Motor-driven pumps account for more than 30 percent of that amount-more than any other application....
A crucial triumvirate for improving the bottom lineA little more than 10 years ago, the U.S. Department of Energy's Office of Industrial Technology issued a report titled U.S. Industrial Motor Systems...
Pumps & Systems, October 2008 To achieve a sustainable future, the green movement demands increased energy efficiency and conservation. Here is a look at how these changes will impact the water...
High Tech Tools for Greener Pumps and Pump Systems
A green product means different things to different people. For some, a green product is alternatively powered, such as some of the recently introduced solar-powered well pumps. For others, green...
Ever-evolving systems to reduce risk and add to the bottom lineThere is little argument that intelligent pumps have significantly improved fluid handling applications in a wide variety of industries...
The Challenge"Inaction is the riskiest response to the uncertainties of an economic crisis. But rash or scattershot action can be nearly as damaging."So begins "Seize Advantage in a Downturn,"...
Meeting Increased Demand for Efficient Pump Designs
While turbo pumps cover the full range of specific speeds, the overwhelming majority run at low specific speeds and are comprised of an inlet pipe or duct, an impeller and an exit volute. Recent...
Pumps & Systems, April 2008 As oil prices and gasoline usage have increased, the demands on U.S. oil and gas wells have grown dramatically. In the past, there was a low cost supply from the...
Motors, Drives Improve High-Rise Condo Efficiency
Significant energy and money savings are realized when using variable speed motors controlled with drives.The Villa Magna, a 92-unit luxury condominium in Highland Beach, Fla., sits between the...
Power Management
Adjustable frequency drives for improved energy efficiency and 
parallel, multiphase pumpsMaximizing uptime and minimizing energy consumption (and costs) is key in pumping applications. As...
Pumps & Systems, June 2008While driving a car with the gas pedal to the floor and then controlling your speed using the brake is obviously inefficient, many facilities use the approach for pump...
Changes in the world economy, the markets we serve and the pump industry are continuing at an exponential rate. To a large extent, the pump industry has reacted to change more than it has been a...
Pump Performance Monitoring
A Comparison Between Conventional and Thermodynamic MethodsEnergy conservation is the need of the hour. Pumps are found in abundance in almost every industry and utility. Of them, the most common are...
Pump System Energy Assessment
Improved reliability, performance and energy efficiency can result from pump system assessment.Second of Two PartsIn Part One of this series (Pumps & Systems, November 2010), a method was...