2015 Back Issues

January-February 2015


Performance Specs, 31st Edition

Volume 45 No. 1


Simple Cycle Gensets

Design ratings for more than 260 gas turbine gensets available for 50/60-Hz power generation, industrial cogeneration and utility combined heat and power projects.

Annual update by GTW staff, pp 4 to 21


Combined Cycle Plants

Design ratings for 1x1 and 2x1 combined cycle configurations operating without supplementary fired HRSGs and without selective catalytic reduction for emissions abatement.

Annual update by GTW staff, pp 22 to 37


Mechanical Drive Power

Design ratings for aeroderivative and industrial frame gas turbines available for offshore platform and land based oil and gas, petrochemical and LNG projects.

Annual update by GTW staff, pp 38 to 44


Marine Drive Gas Turbines

Design ratings for marine gas turbines available for military and commercial ship propulsion, shipboard electric power generation and offshore platform power projects.

Annual update by GTW staff, pp 46 to 48


March-April 2015


Volume 45 No. 2


One million hours and counting

Centrax recently celebrated one million running hours on four aero 501 KB5 gas turbines at a paper mill which many thought “too fragile” for industrial use.

By Junior Isles, pp 12-15


Keep young and beautiful

More mature gas turbines can be made to feel young again with a little TLC. Gas Turbine World talks to GE about its ‘beauty treatments’ for aging B/E class turbines and other units.

By Tim Probert, pp 17-20


More than just low NOx

New combustion technology achieves ultra-low NOx levels and yields near 100% combustion efficiency with improved simple cycle efficiency, fuel flexibility and wide operating envelope.

By Junior Isles, pp 22-25


Regenerable desulfurizationsorbents: Crack to the future

An award-winning regenerable desulfurization sorbent has found a home in Tampa, Florida, and is helping to reduce costs of IGCC and carbon capture technologies.

By Tim Probert, pp 26-31



May-June 2015


Volume 45 No. 3


Preparing for rapid innovation

Following the opening of a new Clean Energy Centre near Berlin, Siemens gave journalists an insight to how it believes the facility will help it meet customer requirements and remain competitive in the market.

By Junior Isles, pp 12-14


Himeji No. 2 goes commercial

The new M501J gas turbine combined cycle units at Himeji No. 2 have successfully started commercial operation and are demonstrating world-class levels of efficiency.

By Junior Isles, pp 16-20


Vertical HRSGs a good fit for Erbil repowering

Vertical heat recovery steam generators (HRSGs) have many logistical and design advantages when building combined cycle plants in remote and challenging regions. Gas Turbine World looks at the Erbil repowering project in Kurdistan.

GTW Staff Report, pp 22-25


Ready for low-calorific value fuel operation

A new combustor developed for OPRA Turbines’ OP16 gas turbine will give cogeneration and industrial users the ability to burn very low calorific value fuels such as pyrolysis oil and syngas.

By Junior Isles, pp 26-28


NovaLT16 expands GE’s industrial range

GE is in the final stages of testing the first of its new Nova range of industrial gas turbines, the NovaLT16. Gas Turbine World takes a good look.

By Tim Probert, pp 30-32




July-August 2015


Volume 45 No. 4


Bright prospects for micro-turbines

A team of researchers at City University London has started testing a microturbine for a solar dish system project. The power system could provide and demonstrate a technical solution for the use of a state-of-the-art concentrated solar power system coupled to a micro-gas turbine to produce electricity.

By Junior Isles, pp 12-16


Path to advanced gas turbine driven compressor
control systems

With fluctuating oil prices, oil and gas executives are looking to invest in technology to increase efficiencies. Gas Turbine World looks at how technological advances in the era of the Industrial Internet are creating opportunities to increase gas turbine and compressor operational efficiency and drive predictive maintenance schedules.

GTW Staff Report, pp 18-21


Keeping mature units competitive

EthosEnergy aims to increase the full life cycle value of its customers’ assets, and has a class of units that should, by all rights, be at the end of their life. However, the company has been innovative in attempts to increase the life and the life cycle value with further development of the TG20 and TG50 turbines through improved cooling technologies and new materials.

By David Flin, pp 23-26


Huinalá will showcase the benefits of gas engines

A combined cycle project being built near Monterrey, Mexico, will offer an interesting solution for a project that essentially straddles three countries.

By Junior Isles, pp 28-32





September-October 2015


Volume 45 No. 5


China tackles pollution by switching to gas

The use of more natural gas in place of coal is part of China’s plan to cut carbon dioxide emissions and reduce air pollution, especially in major cities such as Beijing. On a recent visit to China, Gas Turbine World heard how China is preparing for greater gas use in the country and took a tour of Beijing’s new Jingxi gas fired cogeneration plant.

By Junior Isles, pp 12-16


ORAP: transforming to automate data input and increase plant profitability

Streaming plant data can be automatically recorded and analyzed digitally to predict performance, optimize maintenance and improve efficiency.

By Vic deBiasi, pp18-21


Air inlet cooling in a container

Johnson Controls has launched the YCP-2020, the first containerised Gas Turbine Inlet Air Cooling (GTIAC) mechanical-based solution in the market. GTIAC solutions can enhance power output by up to 30%, and efficiency by up to 4%. Stephen Green, Director of Business Development and Sales for Johnson Controls, Singapore, talks to Gas Turbine World.

By David Flin, pp 23-26


Complex conversions

Converting simple cycle plants to combined cycle is a good way of meeting increasing power demand, as is being demonstrated in Saudi Arabia. But executing such conversions is not always straightforward as Black & Veatch explains.

By Vic Wyman, pp28-31


Powering up a Power Oxidizer

Dresser-Rand business, as a part of Siemens, and Ener-Core have made progress with scaling Ener-Core’s Power Oxidizer up to a 2 MW version while integrating it with Dresser-Rand’s KG2-3G gas turbine technology.

By David Flin, pp 32-35






November-December 2015


Volume 45 No. 6


Flexible 7HA.02 gas turbines
for Colorado Bend and Wolf Hollow

Exelon has ordered four GE 7HA.02 gas turbines for its two projects at Wolf Hollow and Colorado Bend, both in Texas, USA. These are the first US orders for what GE claims are the world’s largest and most efficient gas turbines.

By David Flin, pp 12-16


The O&M case for internal combustion engines

Lifecycle analysis in strategic planning is gaining more attention as investors and operators look to secure profit in dynamic energy markets. GTW hears how flexible power plants based on multiple internal combustion engines can be competitive in terms of initial investment and operational expenditure.

By Junior Isles, pp 18-20


Turbocompound Reheat Gas Turbine
Combined Cycle “The Mouse That Roars”

How creative thermodynamic gamesmanship can get to 60%-plus net thermal efficiency without costly 2,900°F (1600°C) H or J class turbine technologies.

By S.C. Gülen, pp 22-28


Industrial RB211-GT30 ready for offshore
oil and gas market

Siemens has developed the Industrial RB211-GT30, a new turbine based ona reliable and proven base, aimed at the offshore oil and gas industry. The Industrial RB211-GT30 is the first new product to emerge since the union of Rolls-Royce Energy with Siemens.

By David Flin, pp 30-33


Record efficiency in 450 kW class

Mitsubishi Heavy Industries and Toho Gas have jointly developed a new 450 kW gas-fired cogeneration system that offers what is said to be the world’s highest electrical efficiency level in its class.

By David Flin, pp 30-33






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