<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The objective of the study was to develop a steady-state system model in Aspen TECH using user-defined subroutines to predict the SOFC electrochemical performance. In order to achieve high overall fuel utilization and thus high electrical efficiency, a concept of Combined Heat and Power system with two-stage SOFC stacks of different number of cells was analyzed. The concept of two-stage SOFC stacks based system was developed in the framework of the FP7 EU-funded project STAGE-SOFC. The model was validated against data gathered during the operation of the proof-of-concept showing good agreement with the comparative simulation data. Following model validation, further simulations were performed for different values of fuel utilization to analyze its influence on system electrical performance. Simulation results showed that the concept of two-stage SOFC stacks configuration was viable and reliable. The model can be useful for development the optimal control strategy for system under safe conditions.</p></abstract>

The objective of the study was to develop a steady-state system model in Aspen TECH using user-defined subroutines to predict the SOFC electrochemical performance. In order to achieve high overall fuel utilization and thus high electrical efficiency, a concept of Combined Heat and Power system with two-stage SOFC stacks of different number of cells was analyzed. The concept of two-stage SOFC stacks based system was developed in the framework of the FP7 EU-funded project STAGE-SOFC. The model was validated against data gathered during the operation of the proof-of-concept showing good agreement with the comparative simulation data. Following model validation, further simulations were performed for different values of fuel utilization to analyze its influence on system electrical performance. Simulation results showed that the concept of two-stage SOFC stacks configuration was viable and reliable. The model can be useful for development the optimal control strategy for system under safe conditions.

Numerical analysis of a serial connection of two staged SOFC stacks in a CHP system fed by methane using Aspen TECH

Szczecin, Faculty of Chemical Technology and Engineering, Institute of Chemical Engineering and Environmental Protection Processes

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The objective of the study was to develop a steady-state system model in Aspen TECH using user-defined subroutines to predict the SOFC electrochemical...

Numerical analysis of a serial connection of two staged SOFC stacks in a CHP system fed by methane using Aspen TECH

Published Online: Mar 16, 2019

Page range: 33 - 43

DOI: https://doi.org/10.2478/pjct-2019-0007

Keywords
Solid Oxide Fuel Cell stacks, Combined Heat and Power system, Balance of Plant, BoP, modelling, methane, Catalytic Partial Oxidation, CPOx, reformer, steam reformer, part and full load, steady state, dynamic model

© 2019 Paulina Pianko-Oprych et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Numerical analysis of a serial connection of two staged SOFC stacks in a CHP system fed by methane using Aspen TECH

Published Online: Mar 16, 2019

Page range: 33 - 43

DOI: https://doi.org/10.2478/pjct-2019-0007

KeywordsSolid Oxide Fuel Cell stacks, Combined Heat and Power system, Balance of Plant, BoP, modelling, methane, Catalytic Partial Oxidation, CPOx, reformer, steam reformer, part and full load, steady state, dynamic model

© 2019 Paulina Pianko-Oprych et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Solid Oxide Fuel Cell stacks, Combined Heat and Power system, Balance of Plant, BoP, modelling, methane, Catalytic Partial Oxidation, CPOx, reformer, steam reformer, part and full load, steady state, dynamic model