Topic: Ammonia Gas Turbine

Article

Ammonia-Fueled Gas Turbine Power Generation

By on February 16, 2017
Hideaki Kobayashi, professor at the Institute of Fluid Science at Tohoku University in Sendai, Japan, has developed the world’s first technology for direct combustion of ammonia in a gas turbine. The advance was made in cooperation with the National Institute of Advanced Industrial Science and Technology (AIST) under a program led by Norihiko Iki.

Article

Ammonia Turbine Power Generation with Reduced NOx

By on October 06, 2016
A common concern with ammonia fuel is that NOx emissions will be too high to control. However, in new research from Turkey, USA, and Japan, presented at this year's NH3 Fuel Conference in September 2016, two things became clear. First, NOx emissions can be reduced to less than 10ppm by employing good engineering design and exploiting the chemical properties of ammonia, which plays a dual role as both the fuel and the emissions-cleanup agent. Second, the deployment of ammonia-fueled turbines for power generation is not only feasible, but actively being developed, with demonstration units running today and improved demonstration projects currently in development.

Paper

Ammonia for Green Energy Storage and Beyond

By on September 20, 2016
Siemens is participating in an all electric ammonia synthesis and energy storage system demonstration programme at Rutherford Appleton Laboratory, near Oxford. The demonstrator, which will run until December 2017, is supported by Innovate UK. Collaborators include the University of Oxford, Cardiff University and the Science & Technology Facilities Council.

Paper

Power Generation and Flame Visualization of Micro Gas Turbine Firing Ammonia or Ammonia-Methane Mixture

By , , , , , , and on September 19, 2016
A demonstration test with the aim to show the potential of ammonia-fired power plant is planned using a micro gas turbine. 50kW class turbine system firing kerosene is selected as a base model. A standard combustor is replaced to a prototype combustor which enables a bi-fuel supply of kerosene and ammonia gas. Diffusion combustion is employed to the prototype combustor due to its flame stability. 44kW power generation was achieved by 100% heat from ammonia gas. Although NOx concentration in the exhaust gas of ammonia combustion exceeded 500ppm, NOx removal equipment reduced NOx concentration below 10ppm. Over 30kW power generation…

Article

Japan’s Fourth Strategic Energy Plan

By on September 19, 2016
The Cabinet of the Government of Japan adopted the country’s Fourth Strategic Energy Plan in April 2014. The Plan includes a Strategy for Hydrogen & Fuel Cells which is being executed by the Ministry of Economy, Trade and Industry (METI). The accompanying H2/FC Road Map includes an investigation of three materials that can carry the energy embodied in molecular hydrogen: liquid hydrogen, organic hydrides such as methylcyclohexane, and ammonia.

Article

Study on Reduced Chemical Mechanisms of Ammonia / Methane Combustion under Gas Turbine Conditions

By on September 14, 2016
On September 1st, academic journal Energy & Fuels published a new paper that features research coming out of the UK's Cardiff University and Ireland's University of Limerick. This study demonstrates a "reduced mechanism" for simulating the "robust numerical analyses with detailed chemistry" necessary for the "industrial implementation" of ammonia in gas turbine combustion for "future power generation." Here's the abstract:

Paper

Micro Gas Turbine Firing Ammonia

By , , , , , , , , , and on September 22, 2015
Micro Gas Turbine Firing Ammonia Norihiko Iki*, Osamu Kurata, Takayuki Matsunuma, Takahiro Inoue, Masato Suzuki, Taku Tsujimura and Hirohide Furutani, National Institute of Advanced Industrial Science and Technology (AIST), Fukushima Renewable Energy Institute (FREA); Hideaki Kobayashi, Akihiro Hayakawa, Yoshiyuki Arakawa, Masanori Ichikawa, Institute of Fluid Science, Tohoku University

Paper

Numerical investigation of combustion characteristics of ammonia-air mixtures under high pressure lean conditions

By and on September 23, 2014
In this numerical study we investigate the combustion characteristics of ammonia-air mixtures at elevated pressure and lean conditions which are encountered in gas turbine combustors. The Konnov mechanism is implemented to predict the laminar burning velocity, autoignition, species concentrations and the sensitivity analysis of ammonia decomposition and laminar flame speed. A laminar premixed freely propagating flame model is implemented to calculate burning velocity, mole fractions of species, and contribution of reactions in molar conversion of specific species. Also a homogenous reactor model is used to analyze the temporal mole fraction of radicals and ignition delay time. Effects of adding hydrogen…

Paper

Using Local Green Energy and Ammonia to Power Gas Turbine Generators

By on September 24, 2013
Beginning in the 1950s, a fundamental shift in the way information was electronically expressed and manipulated led to the “digital revolution” that has transformed — is still transforming — information systems and many major industries and that has given rise to the internet, social media, and instant very-low-cost communication (like this website). A good case can be made that a similar “revolution” is beginning — has already begun — to transform the energy systems upon which we all depend. This presentation will address the use of anhydrous (water-free) ammonia, NH3, as a realistic option for making a fundamental shift in…
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