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A comparative performance analysis of a solid oxide fuel cell and gas turbine combined cycles with carbon capture technologies
- Source :
- Journal of Mechanical Science and Technology. 33:1463-1475
- Publication Year :
- 2019
- Publisher :
- Springer Science and Business Media LLC, 2019.
-
Abstract
- This study presents a performance prediction of triple combined cycles that use a solid oxide fuel cell (SOFC) and a gas turbine combined cycle (GTCC) with carbon capture technologies. Post- and oxy-combustion capture technologies were comparatively analyzed. The component design parameters of a commercial F-class gas turbine and SOFC were used. Minimizing the turbine inlet temperature (i.e., no extra fuel supplied to the combustor) resulted in higher net cycle efficiency. With post-combustion capture, the net cycle efficiency reached approximately 70 % when no fuel was supplied to the combustor, but the maximum CO2 capture rate was limited to 80 %. When a dual combined cycle was adopted, the CO2 capture rate increased to 91 %, while the net efficiency was approximately 69 %. With oxy-combustion capture, the optimum pressure ratio was higher than in the normal triple combined cycle, and the net cycle efficiency was lower than that of the post-combustion cycle. However, there was a critical advantage of a larger power output with nearly complete carbon capture. The impact of the location of the oxygen supply was examined in the oxy-combustion cycle with extra fuel supplied to the combustor, and supplying all the fuel to the SOFC improved the cycle performance.
- Subjects :
- Overall pressure ratio
Gas turbines
business.industry
Combined cycle
020209 energy
Mechanical Engineering
02 engineering and technology
Turbine
law.invention
020303 mechanical engineering & transports
0203 mechanical engineering
Mechanics of Materials
law
0202 electrical engineering, electronic engineering, information engineering
Combustor
Performance prediction
Environmental science
Solid oxide fuel cell
Power output
Process engineering
business
Subjects
Details
- ISSN :
- 19763824 and 1738494X
- Volume :
- 33
- Database :
- OpenAIRE
- Journal :
- Journal of Mechanical Science and Technology
- Accession number :
- edsair.doi...........9513d6b07919cf71c968e95afd07d3b4