Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...

Your new apparatus committee has spent a lot of time sorting through details to come up with a good specification for a proposed new engine. This includes a requirement for a midship-mounted fire pump ...

To most people, water is for drinking, washing, and keeping their lawns green. To others, such as surfers, skiers, and snowboarders, it is a playground. But to a relatively small group of designers, ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

In a typical chilled water hydronic system, fluid is moved through the piping network by pumps and controlled by a series of balancing and control valves. Distributed pumping is more than just ...

In general, the energy consumption of commercial HVAC systems represents a significant portion of the overall building energy consumption. Within an HVAC system, typically, the chilled water and ...

It takes a large number of control valves to run a power plant, and while some valves are more critical to plant operations than others, it always follows that when a severe service valve fails, the ...

Controlling the power output of a boiling water reactor (BWR)—such as Exelon Nuclear’s Quad Cities Unit 1 or 2 (Figure 1)—requires changing the reactivity of the core by repositioning the control rods ...

The object of firefighting has always been to put out fire, in a timely fashion, limiting damage from the fire and our suppression efforts. What has snuck up on us as an industry is that our structure ...