...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...

... 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...

...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...

... cases but strayed at lean and rich equivalence ratios, especially in the lower temperature regime of H 2 addition and all temperature ranges of the baseline NG mixture. Hydrogen addition also decreased ignition delay times by nearly 90%, while NH 3 fuel addition made no noticeable difference in ignition...

...Davide Cerbarano; Lorenzo Tieghi; Giovanni Delibra; Ermanno Lo Schiavo; Stefano Minotti; Alessandro Corsini Reduction of gas turbine (GT) carbon emissions relies on a strategy for fueling the engines with pure or blended hydrogen. The major technical challenges to solve are (i) the adjustments...

..., syngas, and hydrogen-enriched mixtures. Having a single geometry that can support the different fuel blends requested by clients can accelerate the transition to cleaner energy generation and mitigate the environmental impact of gas turbines. Toward this goal, micromix combustion technology has received...

...Tom Tanneberger; Johannes Mundstock; Christoph Rex; Sebastian Rösch; Christian Oliver Paschereit The vision of a carbon-neutral world implies the shift from fossil to clean fuels for combustion-driven processes and machines like gas turbines. Green hydrogen is a promising alternative to substitute...

...Alessandro de Cataldo; Marco Astolfi; Paolo Chiesa; Stefano Campanari; Emanuele Martelli; Paolo Silva; Stefano Bedogni; Luca Ottolina; Marco Tappani; Matteo C. Romano This study investigates the potential of “Powdrogen” plants for blue hydrogen and decarbonized electric power production, conceived...

...Hannes Laget; Peter Griebel; Luc Gooren; Fabian Hampp; Nicolas Jouret; Oliver Lammel Hydrogen cofiring in a gas turbine is believed to cover an energy transition pathway with green hydrogen as a driver to lower the carbon footprint of existing thermal power generation or cogeneration plants through...

... upgradation techniques are limited by higher fuel costs, and strenuous modifications would be required for improving engine physical parameters. In this study, experimental investigations were performed with hydrogen-enriched biogas to enhance low operating load limit and engine characteristics...

... reproduce the experiments within 20% for all the conditions considered in the study. We also investigate the effect of hydrogen addition to the auto-ignition of these NG blends using NUIGMech1.2, which has been validated against the existing literature for natural gas/hydrogen blends. The results...