We present a steady-state thermodynamic model of a hybrid solid oxide fuel cell (SOFC)-gas turbine (GT) cycle developed using a commercial process simulation software, AspenPlus TM . The hybrid cycle model incorporates a zero-dimensional macro-level SOFC model. A parametric study was carried out usi
A study on performance of solid oxide fuel cell-organic Rankine cycle combined system
β Scribed by Ali Volkan Akkaya; Bahri Sahin
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 208 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0363-907X
- DOI
- 10.1002/er.1490
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β¦ Synopsis
This study presents an energetic performance analysis for a combined power generation system consisting of a solid oxide fuel cell (SOFC) and an organic Rankine cycle (ORC). In order to simulate the SOFC-ORC combined system under steady-state conditions, a mathematical model is developed. The developed model is used to determine the potential effects caused by the changes of the design parameters on the energetic performance of the combined system. As design parameters, turbine inlet pressure, condenser temperature, fuel utilization, current density, compressor pressure ratio, and cell operating temperature are taken into account. In this regard, the electrical power and First Law efficiency are estimated by parametrical analysis and discussed comprehensively. Results of these analyses show that the efficiency is increased about 14-25% by recovering SOFC waste heat through ORC based on investigated design parameter conditions.
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