Department of Energy and Mechanical Engineering

Energy Conversion and Systems

The research group of energy conversion and systems in the department of mechanical engineering.

Hydrogen combustion
HVAC test house

Our mission is to educate game-changing energy and HVAC engineers and researchers, to support industries and communities in their decarbonization and green energy transition processes, to make world top class research and to actively communicate research findings to general public and focus on active publishing in high quality scientific journals.

Wind turbine

Our research group covers the energy value chain, from production by sustainable energy sources, to energy conversion, storage and end use. We have strong focus on energy markets and economics, and their modeling and optimization in dynamic environments.

Cold crystallization thermal heat storage
Cold crystallization thermal heat storage

Impact

Our research team is an internationally recognized front-runner in education and research on sustainable energy solutions and technologies. Our main driver is to aid society and industry in the transformation for a sustainable and carbon neutral future. Our focus is on high-level research that has also practical relevance. We accomplish this by educating future game-changers and with international and national cooperation in research projects. 

To meet the requirements from energy industry and society on energy specialists, our research group is also coordinating Aalto’s three master’s programs in energy: Aalto Advanced Energy Solutions (AAE), Innovative Sustainable Energy Engineering (ISEE of Nordic5Tech consortium) and Environomical Pathways for Sustainable Energy Systems (SELECT of EIT Innoenergy). In total, the intake to these is 120-160 students per year. We constantly develop new learning methods, such as Virtual Reality tools in remote locations site visits, and we are also developing hands-on learning experiences in our new Renewable Energy Learning laboratory, RELab. 

Infrastructure (EES)

The main infrastructure in Energy Conversion and Systems

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HVAC test room

Research topics

Diesel combustion

Advanced experimental flow and combustion diagnostics

Advanced experimental flow and combustion diagnostics

Department of Energy and Mechanical Engineering
H2 combustion simulations

High-performance CFD, simulation and modelling in energy applications

Our main focus is modelling energy applications with CFD

Department of Energy and Mechanical Engineering
Test dolls

Energy systems of buildings and communities

Modern energy systems research focuses on finding optimal solutions for ensuring a comfortable and healthy indoor environment while minimizing energy use. This is achieved both by utilizing computer simulation and optimization and by conducting experimental research on novel technologies.

Department of Energy and Mechanical Engineering

Energy storage systems and materials

In the energy storage team, we work with a large variety of different energy storage technologies to support the transition to renewable energy production.

Department of Energy and Mechanical Engineering

System modelling for societies and industry

We focus on large-scale energy systems, integrated assessment models, industrial energy systems and simulation and optimization techniques

Department of Energy and Mechanical Engineering
Wind turbines

Wind energy solutions

We aim to optimize wind turbine technologies, energy system and energy storage couplings, and siting strategies to increase the overall contribution of wind energy to the global energy mix.

Department of Energy and Mechanical Engineering

Hydrogen solutions

We focus on methanol synthesis and hydrogen production.

Department of Energy and Mechanical Engineering

Latest publications

Anodic electrodeposition of MIL-53(Al) thin films on aluminum : Synthesis, characterization, and potential for direct electric heating

Parsa Amin, Nima Rezaei, Eveliina Repo, Jani Sainio, Hamid Reza Godini 2026 Microporous and Mesoporous Materials

Technical, economic and environmental analysis of production scraps direct recycling from lithium-ion battery manufacturing

Martina Bruno, Lotta Liina Lassila, Carlotta Francia, Annukka Santasalo-Aarnio, Silvia Fiore 2026 Cleaner Environmental Systems

Modelling of the Automated Supply Air Temperature Control Through Empirical Graphs

Marika Eik, Afzaal Ather, Andrea Ferrantelli, Ahmet Kose, Juri Belikov 2026 Proceedings of the 15th REHVA HVAC World Congress - CLIMA 2025 - Volume 1

Clustering energy performance certificates : a methodology for selecting representative buildings in scalable energy simulations

Hatef Hajian, Collin Leiber, Kalevi Härkönen, Heikki Mannila, Andrea Ferrantelli 2026 Energy and Buildings

Economic viability of large-scale solar PV implementation in the Nordic power market : Case Finland

Dilshika Heenatigala Kankanamge, Jaakko Jääskeläinen, Sami Jouttijärvi, Sanna Syri 2026 Renewable Energy Focus

Few-shot anomaly detection in engine cold testing : A synthetic fault augmentation approach with self-attention memory and dynamic thresholding

Haojie Huang, Hui Guo, Shuai Zhang, Dingyu Hu, Pei Sun, Yansong Wang, Qiang Cheng 2026 Measurement: Journal of the International Measurement Confederation

Cost-Optimal Dimensioning of Energy Systems in Kindergarten and Apartment Building with Renewables in a Nordic Climate

Yuchen Ju, Xinyi Hu, Juha Jokisalo, Risto Kosonen, Altti Meriläinen, Antti Kosonen, Tianchen Xue 2026 Proceedings of the 15th REHVA HVAC World Congress - CLIMA 2025 - Volume 1

High energy density long-term thermochemical energy storage composite based on salt and wood-derived activated biochar

Ali Kasebi Vayghan, Maryam Roza Yazdani McCord, Annukka Santasalo-Aarnio, Ari Seppälä 2026 Energy Conversion and Management

Model linking for low-carbon transitions : Technical and conceptual challenges and best practices

Ilkka Keppo, Alaa Al Khourdajie, Francesco Gardumi, Georg Holtz, Alexandros Nikas, Georgios Xexakis, Noelia Ferreras-Alonso, Panagiotis Fragkos, Natasha Frilingou, Hesam Ghadaksaz, Adam Hawkes, Adrián Mateo, Shivika Mittal, Gonzalo Parrado-Hernando, Glen P. Peters, Lorenzo Rinaldi, Matteo Vincenzo Rocco, Ida Sognnæs, Dirk Jan van de Ven, Behzad Zamanipour 2026 Renewable and Sustainable Energy Reviews
More information on our research in the Aalto research portal.
Research portal

Members

Shervin Karimkashi Arani

Shervin Karimkashi Arani

Academy Research Fellow
T212 Department of Energy and Mechanical Engineering
Ali Kasebi

Ali Kasebi

Doctoral Researcher

Yijie Su

Doctoral Researcher
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