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International


Water-Lubricated Bearings Offer Benefits for Hydropower Plants

Significant operating and economic benefits can be realized by replacing a poorly functioning or damaged oil-lubricated turbine guide bearing with a water-lubricated design (Figure 1), as part of a well-planned…


ELECTRIC POWER Conference Postponed

The world has become a very different place over the past few months with the outbreak of a new coronavirus—COVID-19. The virus has forced travel bans and literal lockdowns in…


Subsea Kite Technology Makes a Big Splash for Marine Power

At first view, marine energy developer Minesto’s novel underwater “kite” technology may be easily dismissed as a fanciful concept, one of dozens introduced over the last decade to reap the…


Hydropower: Meeting Growing Needs with Improved Reliability and Efficiency

Hydropower delivers a range of benefits to society and the environment. However, there are two major challenges that face hydroelectric power plant operators—efficient use of water and high availability. To…


Electrification: Too Much of a Good Thing?

Electrification has been a much-touted driver for the global energy transition toward decarbonization. But though an all-electric future could have vast implications for the power and gas sectors, achieving it…


Power Plant Cycles with Multiple Direct Contact Heaters

The regenerative feedwater cycle of modern fossil and nuclear power plants normally includes four or five low-pressure, closed (tube surface-type) feedwater heaters (CFWHs). However, maximum efficiency can be obtained when…