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PE Volume 102 Issue 7

Fusegates Increase Dam Capacity Safely Via Failsafe Flood Release

The reliability of conventional dam gates can be questionable. As many as 30 percent of gated dam failures are due to gates not opening because of mechanical problems, loss of power or operator error. These problems have led many dam builders to incorporate uncontrolled spillways, gaining safety at the expense of potential storage capacity.

FLGR May Offer Low Cost NOx Cuts

The Gas Research Institute`s Power Generation Business Unit reports seeing some promising results for the electric generation industry with a new technology called fuel-lean gas reburning (FLGR), formerly known as controlled gas injection. The technology is being developed and tested by Energy Systems Associates (ESA), with GRI and member company support.

The Rules are Changing

Use the Right Tool for the Right Job. Most Engineers Accept This as an Obvious Statement of Good Practice.

Deregulation, Convergence Trends Grow Hand-In-Hand

unfolds. The Btu convergence spawned by power deregulation dogging the heels of earlier gas industry deregulation is at the heart of an unprecedented series of proposed and completed mergers between natural gas pipeline/distribution companies and electric utilities. A stream of mergers, partnerships, alliances and other cooperative agreements is running rampant throughout the industry--the brand new Btu industry that is. As industry lines, and corporate lines, continue to blur and blend, those w

New Corrosion Inhibitor Resists Chlorine

By Roger C. May, Longchun Cheng, Kurt M. Given and P. Rick Higginbotham, BetzDearborn Water Management Group, and Wayne Gurganious, Carolina Power & Light

Choose the Right Cooling Tower Chemicals

Environmental, safety and performance-based issues all affect the choice of appropriate chemical treatment for cooling tower water.

Coating Selection Critical to Turbine Performance

differences in altitude, ambient temperature, fuel type, load conditions etc. The environment inside the turbine can also play a role, primarily through its impact on internal components and their protective coatings. When a coating fails prematurely, turbine performance can degrade significantly.

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