Development of an integrated gasifier-solid oxide fuel cell test system: A detailed system study |
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Authors: | Ming Liu PV AravindT Woudstra VRM CobasAHM Verkooijen |
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Affiliation: | a Delft University of Technology, Energy Technology Section, Leeghwaterstraat 44, 2628 CA Delft, The Netherlands b Federal University of Itajuba, Department of Mechanical Engineering, Pinheirinhos 37500-903, MG, Brazil |
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Abstract: | A detailed system study on an integrated gasifier-SOFC test system which is being constructed for combined heat and power (CHP) application is presented. The performance of the system is evaluated using thermodynamic calculations. The system includes a fixed bed gasifier and a 5 kW SOFC CHP system. Two kinds of gas cleaning systems, a combined high and low temperature gas cleaning system and a high temperature gas cleaning system, are considered to connect the gasifier and the SOFC system. A complete model of the gasifier-SOFC system with these two gas cleaning systems is built and evaluated in terms of energy and exergy efficiencies. A sensitivity study is carried out to check system responses to different working parameters. The results of this work show that the electrical efficiencies of the gasifier-SOFC CHP systems with different gas cleaning systems are almost the same whereas the gasifier-SOFC CHP systems with the high temperature gas cleaning system offers higher heat efficiency for both energy and exergy. |
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Keywords: | Gasification Solid oxide fuel cell Combined heat and power Exergy |
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