Newsletter Sign-Up
July 2014 · Energy-Tech Magazine
Tuesday July 15, 2014
What are you learning this summer?
Tuesday July 15, 2014

Don’t slack off this summer – learn something! There are plenty of options to choose from, many including PDH credits.

Tuesday July 1, 2014
ASME: Dual injection distributed combustion for stationary gas turbine application
Ahmed E.E. Khalil and Ashwani K. Gupta, University of Maryland, College Park
Tuesday July 1, 2014

The quest for clean and sustainable energy, along with energy security and independence, has motivated researchers to develop advanced energy conversion systems that can furnish the current and future energy needs with minimal impact on the environment ...

Gas by day, electricity by night: 4kV electric heater enables on-demand fuel switching, balances electric load demand
Gaurav Dhingra and Jeff McClanahan, Gaumer Process
Tuesday July 1, 2014

For generations, U.S. manufacturing has been powered, quite literally, by fossil fuel. Natural gas, oil and coal have historically run the workhorses of American industry – the heaters and boilers that process raw materials into usable products ...

New alternatives for oil changes
Diane Closser, CLS MLT I, Energy-Tech contributor
Tuesday July 1, 2014

In a perfect world, lubricants would not degrade. There would be no ingress of contaminants, excellent storage and handling procedures would be common, and every employee who came in contact with oil or grease would be trained and certified to do ...

Thursday June 19, 2014
Energy-Tech University Webinar: Steam and Gas Turbine Troubleshooting
Aug. 6-7 & 13-14, 2014
Thursday June 19, 2014

Learn more about steam and gas turbine troubleshooting during this intensive technical webinar with Steve Reid, P.E., president of TG Advisers Inc. This was one of the most popular sessions during Energy-Tech University this past March, and now we're ...

Sunday June 1, 2014
The importance of pure, dry hydrogen cooling gas
John Speranza, Proton OnSite
Sunday June 1, 2014

Power plants need to do all they can to produce electricity safely and efficiently. The good news is that there’s a relatively simple switch that can have a big impact on a plant’s ability to maximize its electricity output and improve ...

Hybrid systems for gas turbine inlet cooling
Marcus Bastianen, P.E., Everest Sciences Inc.
Sunday June 1, 2014

With natural gas prices at near-historical lows, and regulatory pressure driving plant owners to generate “greener” power, the need for efficiency has never been greater. Turbine inlet cooling using hybrid systems can increase power output ...

ASME: Taking on Goliath – Implementing an effective RAM program for an existing power plant
Brian Wodka, RMF Engineering Inc.
Sunday June 1, 2014

Here is a quick story about a power plant. It begins with an operator promoted to chief with all the intentions and motivation to make the plant a run like a top. Before long, reality sets in and he becomes aware of the mixed-and-matched components, ...

Ensuring cooling tower cleanliness in a more stringent regulatory environment
Brad Buecker, Energy-Tech contributor
Sunday June 1, 2014

The shale gas revolution has led to planning and installation of many new combined-cycle power plants. For a long time none of the proposals I have seen called for once-through condenser cooling, due to pending 316a and 316 b regulations that respectively ...

Thursday May 15, 2014
Registration is open for the 2014 ASME Power Conference
Thursday May 15, 2014

Registration is open for the 2014 ASME Power Conference, July 28-31, in Baltimore, Md. 

With a theme of ‘Plant Optimization and Knowledge ...

Monday May 12, 2014
Protecting our water – keep chemicals in the tank
Leaking or overfilled tanks can cause environmental problems, contaminate drinking water and cost a company millions of dollars. Proper instrumentation, monitoring and control can prevent these problems
Bill Sholette and Ricardo Chavez, Endress+Hauser
Monday May 12, 2014

Recent events in West Virginia have shown that our water supply is in jeopardy of contamination from leaks or overfills of storage and processing tanks (Figure 1) at chemical, petroleum, water/wastewater and similar facilities.

In Charleston, ...

Thursday May 1, 2014
ASME: Impact of harmonics from distributed energy resources on distribution networks
Reza Arghandeh, UC Berkeley, Berkeley, Calif.; Ahmet Onen, Virginia Tech, Blacksburg, Va.; Jaesung Jung, Virginia Tech, Blacksburg, Va.; Danling Cheng, EDD Inc., Blacksburg, Va.; Robert Broadwater,
Thursday May 1, 2014

Introduction and previous works
Smart grid realization involves a steady increase in inverter-based components like Distributed Energy Resources (DER), energy storage systems and plug-in electric vehicles. These kinds of renewable ...

The trouble with transmitters
Proper maintenance requires focusing on what the device does, not what it is
Mike Schultz and Stace Smith, The Asset Performance Group
Thursday May 1, 2014

Maintenance, at its most basic level, is a set of tasks that preserves the functions of a piece of equipment at a desired standard of performance.

We take the car in for an oil change to preserve the anti-wear capabilities of the engine so ...

Hydrogen safety for large turbo-generators
Steve Kilmartin, E/One Utility Systems
Thursday May 1, 2014

The need for hydrogen
Central power stations have been producing electric power and supplying it to a customer base since the early 1880s. As the demand for power increased, so did the physical size of air cooled electric generators ...

Tuesday April 15, 2014
Dust management helps Florida power supplier improve safety, reduce maintenance
Shane Tighe, Martin Engineering
Tuesday April 15, 2014

Orlando Utilities Commission - Stanton Energy Center (SEC) is one of Central Florida’s leading environmental stewards, meeting or exceeding all air permit limits with advanced pollution control equipment while generating electricity to serve ...

Tuesday April 1, 2014
ASME: A dynamic process model of a natural gas combined cycle – model development with startup and shutdown simulations
By Eric Liese and Stephen E. Zitney, National Energy Technology Laboratory
Tuesday April 1, 2014

The National Energy Technology Laboratory (NETL) Computational Science and Engineering Division (CSED) recently deployed a high-fidelity, full-scope, real-time dynamic ...

The importance of proper level control of feedwater heaters
By Mike Catapano and Eric Svensson, Powerfect Inc.
Tuesday April 1, 2014

One of the most common causes of tube failures in a feedwater heater (FWH) is the improper control of the internal liquid level, which also can cause operational and maintenance costs that might lead to premature replacement. These problems are not ...

Developing novel applications of predictive maintenance techniques
Gary Noce, Electric Power Research Institute
Tuesday April 1, 2014

As U.S. fossil plants age and components reach end of life, equipment condition monitoring and associated data analysis are increasingly critical to maintain reliability and avoid failures.

One of the key tools for equipment monitoring involves ...

Monday March 10, 2014
Joining FRP pipe with grooved couplings
Doug Dole, Victaulic
Monday March 10, 2014

The power industry employs fiberglass-reinforced plastic (FRP) pipe because it provides corrosion resistance, and in some cases abrasion resistance, at a lower cost and lighter weight than higher-end stainless steel and lined metallic piping systems. ...

Saturday March 1, 2014
ASME: Parallel flow boiler designs to minimize erosion and corrosion from dust loaded flue gases
Juergen H. Peterseim, University of Technology Sydney; Prof. Udo Hellwig, ERK Eckrohrkessel GmbH; and Karin Endrullat, ERK Eckrohrkessel GmbH
Saturday March 1, 2014

Raising the efficiency of boiler systems with contaminated fuels, such as municipal solid waste (MSW), is on the agenda of almost all plant suppliers and operators. Several options exist to raise the efficiency, including steam reheating [1] ...

Anti-friction bearing problems? Let’s talk about it
Tom Davis, Energy-Tech contributor
Saturday March 1, 2014

An internal medicine physician was once quoted while talking to a very silent patient in the examining room, “I didn’t take veterinary medicine. I’d appreciate if you answer my questions with a little more information than grunting. ...

Valve maintenance guides developed for combustion-turbine combined-cycle plants
Rick Roberts, Electric Power Research Institute
Saturday March 1, 2014

Maintenance crews for combustion-turbine combined-cycle (CTCC) plants need new resources to effectively maintain the operational reliability of these plants.

As U.S. utilities curtail operation of older coal-fired plants, CTCC plants are increasingly ...

Monday February 10, 2014
More data, less work, lower costs and a safer workplace
Joe Van Dyke, P.E., Azima DLI
Monday February 10, 2014

The growing adoption of wireless technology for industrial asset condition monitoring is advancing diagnostic power at lower cost. New manufacturing technologies, such as Machine to Machine (M2M) interfaces, rely heavily on remote wireless monitoring ...

Saturday February 1, 2014
ASME: Maximizing power generating asset value through performance management
Komandur Sunder Raj, Power & Energy Systems Services
Saturday February 1, 2014

The power industry has witnessed unprecedented changes in the past few decades. Figure 1 shows the challenges and issues faced by PPOs in maximizing the value ...

Remote monitoring redux
Komandur Sunder Raj, Energy-Tech contributor
Saturday February 1, 2014

This article focuses on the ability to remotely monitor the performance and condition of fossil power plant processes and major equipment. This ability is increasingly becoming important and necessary in the power industry, given the new paradigm ...

Graphitization effects on high temperature ductwork
Austin Meier, Dain Hammerschmidt and Eric Skibbe; Kiewit Power Engineers
Saturday February 1, 2014

North America has an aging fleet of coal plants containing ductwork systems. The ductwork is exposed to harsh conditions associated with plant operations and environmental conditions. These conditions increase the risk of metallurgical deterioration ...

Wednesday January 8, 2014
ASME: Integrated solar combined- cycle plants using solar towers with thermal storage to increase plant performance
By Juergen H. Peterseim, Dr. Amir Tadros, Prof. Udo Hellwig and Prof. Stuart White
Wednesday January 8, 2014

Current global efforts, including the carbon pricing mechanism in Australia, to reduce CO2 emissions aim to incentivize utility and industrial plant operators to build renewable and low-carbon intensity generation assets. With operators ...

The vulnerable plant security system
By Julianne Couch, Energy-Tech contributor
Wednesday January 8, 2014

With miles of fencing and an expansive footprint, power plants do not seem vulnerable to the average observer. But the vulnerability of plant software is of increasing concern to power generation experts, and power plant owners and operators need ...

Lifetime management of boiler external piping
Jim Sutton, Alstom Power
Wednesday January 8, 2014

Fossil fuel-fired boilers and Heat Recovery Steam Generators (HRSGs) utilize three types of piping: boiler proper piping, boiler external piping and non-boiler external piping to move steam and water. Boiler external piping, especially large diameter ...

Tuesday December 17, 2013
New IGTC Forum on gas turbines goes live
Tuesday December 17, 2013

A new forum for gas turbines is online and soliciting questions and discussions about operations and maintenance from power generation plant engineers worldwide. The new forum focuses on engine technology as it applies to all types of gas turbines ...

Monday December 16, 2013
Miss an Energy-Tech webinar?
Don't worry, we saved them for you
Monday December 16, 2013

All of Energy-Tech's technical webinars are available to download here. They're still free, still full of great information in just one hour. ...

Sunday December 1, 2013
Undetected bearing wear leads to catastrophic compressor failure
Patrick J. Smith
Sunday December 1, 2013

Preventing machinery failures requires a good machinery condition monitoring program, a good machinery protection system and good maintenance practices. However, sometimes the signs of progressive damage are very subtle and difficult to detect. In ...

ASME: Corrosion-fatigue prediction methodology for 12 percent Cr steam turbine blades
Ronald Salzman, David Gandy, Neville Rieger, Bernd Schönbauer, Stefanie Tschegg, Shengqi Zhou and Alan Turnbull
Sunday December 1, 2013

Introduction
Many steam turbine blade failures during the past few decades are known to have initiated from corrosion pits. Despite the amount of research that has been undertaken worldwide, no predictive methodology has been ...

Maintenance basis for combustion- turbine combined-cycle plants
Rick Roberts
Sunday December 1, 2013

The Electric Power Research Institute assembled an R&D collaborative to add combustion-turbine combined-cycle (CTCC)-specific information to its Preventive Maintenance Basis Database (PMBD), through new research, to incorporate the maintenance ...

Facts about modern oil mist: Superior lube application
Heinz P. Bloch, P.E.
Sunday December 1, 2013

There are times when industry experts are pleased to see how fast news travels in the modern information age. Reliability professionals can profit greatly from accurate news; and swiftly acting on it might save money and could even avert calamity. ...

Tuesday October 15, 2013
Energy-Tech University – Knowledge you can use
Tuesday October 15, 2013

What are you doing March 25-27, 2014? Want to get some power-gen training under your belt, PDH credits to go with it, all while staying on Chicago’s Magnificent Mile? Come to Energy-Tech University  for three days of ...

Tuesday October 1, 2013
Challenges converting coal-fired boilers to natural gas
Stephen Black, Dave Bielunis
Tuesday October 1, 2013

Owners of existing coal-fired power plants have a very compelling case to consider: the addition of, or conversion to, natural gas firing. Lower natural gas prices and more stringent air emissions regulations, in combination with the ability to burn ...

ASME: A phenomenological analysis of exergy destruction during hydrogen combustion with electronically excited oxygen
DeVon A. Washington and Howard N. Shapiro
Tuesday October 1, 2013

The combustion of fossil fuels will play a significant role worldwide for many years to come. This means more efficient use of fuels continues to be a crucial area of investigation. Due to the complex nature of combustion, the development of hyper-efficient ...

Generator stator end-winding vibration problems
Bill Moore, P.E.
Tuesday October 1, 2013

Background
Generator stator end winding resonance and high levels of end winding vibration are a significant industry issue that affects many generators. This paper will discuss one generator that had issues with end winding ...

Boost your brain BTU with Energy-Tech University
Technical knowledge for power-gen engineers, by power-gen engineers
Andrea Hauser
Tuesday October 1, 2013

One of the best parts of my job is when readers tell me how much they enjoy reading Energy-Tech magazine. That they tear out or e-mail articles to give to colleagues. That they learn something new in every issue. That, “it’s a really good ...

Sunday September 1, 2013
Expansion joint solutions to improve gas turbines and HRSG systems
Paul Schubert and Mike Green
Sunday September 1, 2013

Wherever there is air, fluid or gas movement – be it petrochemical, oil, power generation, paper & pulp or water treatment – peak operation and “up-time” require reliable piping systems and equipment to keep your plant ...

ASME: Orifice flow calculation: Comparison between fluid meter applications
6th Edition 1971, ASME PTC 19.5-2004 AND ISO 5167 2003
A.I.C. Hunter, R.G. Nyquist, S. Coller, J. Smith and H. Boice
Sunday September 1, 2013

Introduction
Orifice flow meters are widely used in flow measurement on account of their simplicity, accuracy and durability. There is a relationship between mass flow through the orifice and the static pressure drop across the ...

Eliminate secondary waste stream utilizing pressurized liquid nitrogen
Elizabeth Foley-Saxon
Sunday September 1, 2013

On the importance of innovation, Albert Einstein once said, “If you do what you always did, you’ll get what you always got.” This simple yet poignant wisdom has fueled the momentum toward all scientific strides great and small. In ...

Thursday August 1, 2013
ASME: Recommended practices for the development of an effective steam surface condenser maintenance regime
Maintenance solutions, design modifications that improve condenser performance and reliability
Darren Nightingale
Thursday August 1, 2013

It is always recommended to perform a visual inspection of condensers whenever the opportunity arises to do so. A condenser is typically a critical component that has no back-up, so issues can often lead to a downturn in load and/or a complete unit ...

Raise plant efficiency and lower production costs: Achieving total condenser performance
George Saxon, Jr.
Thursday August 1, 2013

Achieving “Total Condenser Performance” means achieving the perfect balance of productivity, reliability and profitability from the effective integration of cleaning, nondestructive testing and leak detection technology. With this in mind, ...

Phased Array Ultrasonic Testing (PAUT) as an alternative to Radiographic Testing (RT)
Daniel Carden
Thursday August 1, 2013

Most standards and codes that are widely used in different industries lag behind the technology they govern. This is often the case with several codes affiliated with the non-destructive testing of welds. Fortunately, today’s code now allows ...

Monday July 1, 2013
Blending tech and technique in training
Harold Parker
Monday July 1, 2013

Recently I was hired to do a course at a customer’s plant. During introductions I asked participants to describe how long they had worked at the plant, and one looked at his wrist watch, thought about it a moment and said, “I’ve ...

SCC of low pressure rotor blade attachments
Stephen R. Reid, PE, and Gary Golden
Monday July 1, 2013

Background
Stress corrosion cracking (SCC) of low-pressure steam turbine rotor blade attachments is an industry issue on older fossil and nuclear units. Many units have experienced forced outages and/or extended repairs due to ...

ASME: Fuel oil emulsion operations in boilers at El Café Plant, Guayaquil, Ecuador
R. Astudillo, R. Espinel, R. Maspons, P. Grimes, T. Houlihan, B. Owen, B. Plata and J. Waldron
Monday July 1, 2013

Introduction
The Fuel Oil Emulsion (FOE) demonstration project at the El Café Plant that began in the spring of 2010 was comprised of three phases:

  1. Phase One involved the compilation of an accurate ...
Saturday June 1, 2013
ASME: Applications and benefits of RAM
Brian M. Wodka, P.E.
Saturday June 1, 2013

A new standard from ASME was recently released for public review regarding reliability, availability and maintainability (RAM) of power plants. This article will discuss the current status of the standard, as well as answer some common questions about ...



There are 397 more records in the Energy-Tech archives. Click here to view them all.

 

ADVERTISEMENTS