Research output per year
Research output per year
Personal profile
Profile
My expertise lies in thermodynamic system modeling, energy integration optimization and techno-economic assessment of renewable energy technology.
At DTU, I've been focusing on studing electrolysis and Power-to-X technologies for the production of hydrogen and fuels. I also have studied biogas production and exergy analysis.
I develop a free open source non-linear equation solver called laine and an energy integration optimization called vivi
Research areas
Electrolysis technologies and Power-to-X systems
Research interests
Energy integration optimization and dynamic simulation
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Mechanical Engineering, Doctor of Science, Modelling, simulation and optimization of biogas conversion routes integrated with fuel cell technology, University of São Paulo
Aug 2018 → Dec 2021
Award Date: 25 May 2022
Mechanical Engineering, Master of Science, Exergy assessment of biogas generation and usage in the sugarcane industry, University of São Paulo
Feb 2016 → May 2018
Award Date: 11 Jul 2018
Keywords
- User defined:
- Hydrogen production/conversion
- Power-to-X
Fingerprint
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Collaborations and top research areas from the last five years
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Publications
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Techno-economic evaluation of pyrolysis and electrolysis integration for methanol and char production
Nogueira Nakashima, R., Nami, H., Nemati, A., Butera, G., de Oliveira Junior, S., Vang Hendriksen, P. & Frandsen, H. L., 2025, In: Renewable Energy. 242, 19 p., 122388.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile330 Downloads (Orbit) -
Optimization of energy systems sizing and operation including heat integration and storage
Nakashima, R. N., Hendriksen, P. V. & Frandsen, H. L., 2023, Proceedings of ECOS 2023 - The 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems 2023. ECOS, p. 1375-1386 12 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile159 Downloads (Orbit) -
Heat integration and part-load performance of an SOEC-coupled Haber–Bosch process
Schiedeck, M., Nogueira Nakashima, R. & Frandsen, H. L., 2025, In: International Journal of Hydrogen Energy. 116, p. 242-256 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile173 Downloads (Orbit) -
Economic optimization of modular solid oxide electrolysis system considering degradation and lifetime
Beyrami, J., Nakashima, R. N., Nemati, A. & Frandsen, H. L., 2026, In: Energy Conversion and Management. 348, Part C, 20 p., 120782.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile36 Downloads (Orbit) -
Seasonal storage and grid balancing through power-to-methanol and a “Biomass Battery”
Akbari, S., Nakashima, R. N., Hakkaki-Fard, A., Shafii, M. B., Hendriksen, P. V. & Frandsen, H. L., 2026, In: Applied Thermal Engineering. 285, 21 p., 129269.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile5 Downloads (Orbit)
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Modelling molten salt based thermal energy storage systems
Khodery, W. (PhD Student), Chen, M. (Main Supervisor), Nogueira Nakashima, R. (Supervisor) & Panicker, A. (Supervisor)
01/11/2025 → 31/10/2028
Project: PhD
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EUDP - IEA Wind Task 61 on VRE-Hydrogen Integration
Gupta, M. (PI), Das, K. (Project Participant), You, S. (Project Participant), Nogueira Nakashima, R. (Project Participant), Frandsen, H. L. (Project Participant), Iov, F. (Project Participant), Andresen, B. (Project Participant) & Bayati, N. (Project Participant)
01/07/2025 → 15/12/2028
Project: Research
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H2BRIDGE
Das, K. (PI), Yamujala, S. (Project Coordinator), Gupta, M. (Project Coordinator), Zhu, R. (Project Participant), Koivisto, M. J. (Project Participant), Dittrich, Y. (PI), Frandsen, H. L. (Project Participant) & Nogueira Nakashima, R. (Project Participant)
01/04/2024 → 31/03/2026
Project: Research
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Techno-economic optimization of solid oxide electrolysiscell plants
Beyrami, J. (PhD Student), Frandsen, H. L. (Main Supervisor) & Nogueira Nakashima, R. (Supervisor)
01/03/2023 → 28/02/2026
Project: PhD
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Design and Techno-Economic Analysis of Offshore Wind to Hydrogen Production
Frandsen, H. L. (Main Supervisor), Nakashima, R. N. (Supervisor) & Bechmann, A. (Supervisor)
07/08/2023 → 30/10/2023
Project: Research
Activities
- 3 Conference presentations
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On the optimal energy integration and lifetime of solid oxide cells: Towards a wholistic multi-scale optimization approach
Nakashima, R. N. (Invited speaker), Frandsen, H. L. (Other) & de Oliveira Junior, S. (Other)
22 Jan 2023 → 27 Jan 2023Activity: Talks and presentations › Conference presentations
File -
The Hydrogen Wind Turbine: A Wind Turbine Optimized for H2 Production
Bechmann, A. (Invited speaker), Barlas, A. (Other), Frandsen, H. L. (Other), Nakashima, R. N. (Other) & Lingkang, J. (Other)
26 Apr 2023Activity: Talks and presentations › Conference presentations
File -
Modelling SOECs for system analysis and optimization
Nogueira Nakashima, R. (Invited speaker), Beyrami, J. (Other), Nemati, A. (Other) & Frandsen, H. L. (Other)
2023Activity: Talks and presentations › Conference presentations
File
Datasets
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dEMS - Degradation-aware energy management system
Nogueira Nakashima, R. (Creator) & Gollangi, R. (Contributor), Technical University of Denmark, 12 Aug 2025
DOI: 10.11583/DTU.29882279.v1, https://github.com/dtudk/dEMS
Dataset