...Farshid Yousefzad Farrokhi; Alessandro Piscopo; Alessio Pappa; Alessandro Parente; Ward De Paepe Hydrogen emerges as a promising fuel for clean and sustainable electricity production when utilized in microgas turbines (mGTs). However, some challenges linked to hydrogen usage must be overcome as its...

... Energy SGT6-6000G 2 × 1 configuration), which doubled the mass flow of hydrogen of previous record-breaking dry low NO x (DLN) demonstrations. The testing was done on an unaltered, existing GT asset, which provides great value for those GTs, which are already providing power using natural gas...

... this will require significant growth in electricity generation from clean and carbon-free energy sources. Several energy providers (Acar and Dincer, 2019, “Review and Evaluation of Hydrogen Production Options for Better Environment,” J. Cleaner Prod., 218, pp. 835–849 and Nagashima, M., 2024, “Japan’s Hydrogen...

...Dimitrios Lamprakis; David John Rajendran; Mani Santhanakrishnan; Seyfettin Coskun; Ioannis Roumeliotis; Vassilios Pachidis; Martin Yates A comprehensive operational characterization of a representative, liquid hydrogen (LH 2 ) aircraft engine pump, a key enabler for future hydrogen aviation...

... Burning Velocity and Markstein Length of Ammonia/Air Premixed Flames at Various Pressures,” Fuel, 159, pp. 98–106). As a hydrogen (H 2 ) carrier, NH 3 serves as a possible solution to the U.S. Department of Energy's Hydrogen Program Plan by providing efficient H 2 storage and conservation capabilities...

... for natural gas. The power generation sector is moving toward decarbonization and there has been increased interest in replacing conventional fuels with fuels that produce less/zero carbon emissions like hydrogen. Pure hydrogen has a very wide flammability range and poses risks related to flashback and high...

... and the development of novel combustors. Blending hydrogen with ammonia, however, helps in having better control over the combustion properties. For example, a 70%/30% mixture of NH 3 /H 2 mixture has a flame speed comparable to natural gas. Before utilizing hydrogen-blended ammonia in an actual gas turbine combustor...

...Walther Villatoro; John Slope; Vincent McDonell; Ray Hu; Robert Steele This work supports the development of a low NOx emission 65 kW natural gas turbine capable of operating on 100% hydrogen. This gas turbine has been demonstrated to operate from cold start to full load on up to 30% hydrogen mixed...

... ammonia and hydrogen are zero-carbon energy vectors, their physical properties and burning characteristics sit on either side of that of natural gas. Hence, mixtures of ammonia and hydrogen are being increasingly looked at as having the potential to fuel current energy systems without requiring...

...Philipp zur Nedden; Mattias E. G. Eck; Finn Lückoff; Christian Oliver Paschereit; Alessandro Orchini To achieve the decarbonization of electrical power generation, gas turbines need to be upgraded to combust high-hydrogen content fuels reliably. One of the main challenges in this upgrade...

...Tom Tanneberger; Johannes Mundstock; Sebastian Rösch; Christoph Rex; Christian Oliver Paschereit On the way to defossilization, green hydrogen is a promising way to substitute natural gas (NG) and oil in the gas turbine industry. In the scope of the H2mGT project, a microgas turbine (mGT) burner...

...Javier Rodriguez Camacho; Dang Le; James Blust; Jacqueline O'Connor Two potential decarbonization pathways for natural gas (NG)-fueled gas turbine engines include blending hydrogen (H 2 ) into NG and postcombustion carbon capture. H 2 blending changes several combustion properties, including flame...

... progresses existing research on using hydrogen stratification to reduce NO x from ammonia/hydrogen flames by experimentally and numerically investigating the effects of also injecting nitrogen from the cracking process. It additionally assesses the NO x reduction capability of a recently developed novel...

...Ankit D. Kumar; Chinonso Ezenwajiaku; Ramanarayanan Balachandran; Andrea Ducci; Midhat Talibi; James C. Massey; Nedunchezhian Swaminathan Hydrogen is a promising zero-carbon fuel for decarbonized energy and transportation sectors. While carbon emission is not a concern for hydrogen combustion, its...

...Silvia Ravelli Postcombustion capture (PCC) by means of mono-ethanolamine and hydrogen co-firing, combined with exhaust gas recirculation (EGR), were applied to a typical 2 × 1 combined cycle (CC) with the goal of reaching net-zero CO 2 emissions. The novelty lies in integrating decarbonization...

...Alexander Görtz; Björn Schneider Hydrogen combustion engines are one of the few possible ways forward to drastically reduce climate impact of aviation. While there is many information about the engine performance of hydrogen combustion engines, it is not clear to which extend each property...

...Alexandre Capitao Patrao; Isak Jonsson; Carlos Xisto Hydrogen is being considered as a possible path toward carbon-neutral aviation. There are additional advantages besides its main benefit of CO 2 -free combustion. One application is to use it for aero engine heat management due to its cryogenic...

... strategies and technologies that support the production, utilization, transport, and storage of hydrogen (via initiatives such as Department of Energy's (DOE) Energy Earthshot—Hydrogen and various DOE funding opportunity announcements). A carbon-free fuel such as hydrogen cannot be overvalued in a dynamic...

.... Combust. Inst. , 29 ( 1 ), pp. 1 – 28 . 10.1016/S1540-7489(02)80007-4 [3] Beita , J. , Talibi , M. , Sadasivuni , S. , and Balachandran , R. , 2021 , “ Thermoacoustic Instability Considerations for High Hydrogen Combustion in Lean Premixed Gas Turbine Combustors...

... of potential (GWP) ∼265 times that of CO 2 [ 1 ]. This is noteworthy, as even with the development and application of alternative, carbon-free fuels such as hydrogen (H 2 ) and ammonia (NH 3 ), the production of all emissions must be suitably quantified to facilitate the development of flexible, efficient...