Abstract
In this study, energy analysis of a trigeneration plant based on solid oxide fuel cell (SOFC) and organic Rankine cycle (ORC) is conducted. The physical and thermodynamic elements of the plant include an SOFC, an ORC, a heat exchanger for the heating process and a single-effect absorption chiller for cooling. The results obtained from this study show that there is at least a 22% gain in efficiency using the trigeneration plant compared with the power cycle (SOFC and ORC). The study also shows that the maximum efficiency of the trigeneration plant is 74%, heating cogeneration is 71%, cooling cogeneration is 57% and net electricity is 46%. Furthermore, it is found that the highest net power output that can be provided by the trigeneration plant considered in this study is 540 kW and, the highest SOFC-AC power is 520 kW. The study reveals that the inlet pressure of the turbine has an insignificant effect on the efficiency. The study also examines the effect of both the SOFC current density and the SOFC inlet flow temperature on the cell voltage and voltage loss.
| Original language | English |
|---|---|
| Pages (from-to) | 5104-5113 |
| Number of pages | 10 |
| Journal | International Journal of Hydrogen Energy |
| Volume | 35 |
| Issue number | 10 |
| DOIs | |
| State | Published - May 2010 |
| Externally published | Yes |
Bibliographical note
Funding Information:The first author acknowledges the financial support provided by King Fahd University of Petroleum and Minerals (KFUPM) to carry out this research. Also, the comments provided by Dr. Can Ozgur Colpan on the SOFC model are appreciated.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Cooling cogeneration
- Current density
- Efficiency
- Heating cogeneration
- Organic Rankine cycle
- Solid oxide fuel cell
- Trigeneration
- Voltage
ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment
- Fuel Technology
- Condensed Matter Physics
- Energy Engineering and Power Technology
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