Fuel rich ammonia-hydrogen injection for humidified gas turbines
Povzetek
The use of new fuels and operating strategies for gas turbine technologies plays a relevant component for carbon emissions reduction and the use of sustainable energy sources. Among non-carbon fuels, hydrogen-based fuels have been proposed as one of the main strategies for decarbonisation of the power sector. Ammonia is a good representative of these fuels as it is carbon-free and the second largest chemical commodity, having been produced worldwide for more than a century from various energy resources, i.e. fossil fuels, biomass or other renewable sources. However, the use of ammonia as a fuel in industrial gas turbines brings some practical challenges directly linked to the final efficiency of these systems, especially when the latter are compared to current Dry Low Nitrogen Oxides technologies. Thus, this work covers a series of analytical, numerical and experimental studies performed to determine the efficiency of using ammonia/hydrogen blends in combination with humidified methodologies to deliver competitive systems for the use of ammonia-hydrogen power generation. The study was conducted using CHEMKIN-PRO reaction networks employing novel reaction chemical kinetics, in combination with bespoke analytical codes to determine efficiencies of systems previously calibrated experimentally. Finally, experimental trials using steam injection were carried out to determine potential of these blends. The novel results demonstrate that the use of humidified ammonia-hydrogen injection provides similar efficiencies to both Dry Low Nitrogen Oxides and humidified methane-based technologies 30%, with flames that are stable and low polluting under swirling conditions, thus opening the opportunity for further progression on the topic.
Ključne besede
ammonia power;hydrogen blends;humidified gas turbines;alternative fuels;
Podatki
| Jezik: | Angleški jezik |
|---|---|
| Leto izida: | 2019 |
| Tipologija: | 1.01 - Izvirni znanstveni članek |
| Organizacija: | UL FS - Fakulteta za strojništvo |
| UDK: | 662:621.438(045) |
| COBISS: |
16625691
|
| ISSN: | 0306-2619 |
| Št. ogledov: | 103 |
| Št. prenosov: | 72 |
| Ocena: | 0 (0 glasov) |
| Metapodatki: |
|
Ostali podatki
| Sekundarni jezik: | Slovenski jezik |
|---|---|
| Sekundarne ključne besede: | amonijak;vodikove zmesi;vlažni turbinski motorji;alternativna goriva; |
| Vrsta dela (COBISS): | Članek v reviji |
| Konec prepovedi (OpenAIRE): | 2021-05-20 |
| Strani: | str. 1-12 |
| Zvezek: | ǂVol. ǂ251 |
| Čas izdaje: | Oct. 2019 |
| DOI: | 10.1016/j.apenergy.2019.113334 |
| ID: | 14785329 |
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