Personal profile
Short bio
I am a simulation professional with a curious mind, always ready to learn and try something new. When it comes to simulations, I enjoy developing new methodologies and pushing boundaries of the current technologies. As a researcher, I aim at producing high impact research to support science-based decision-making and developing novel solutions to promote sustainability and health and well-being.
Research interests
My research interests focus on various aspects of modelling indoor air quality exploiting suitable modelling approaches from 0-dimensional box models to high-fidelity CFD simulations. Recent projects have involved modelling ventilation and filtration solutions to evaluate exposure to particles and gaseous contaminant in indoor spaces, co-optimising energy-efficiency and indoor air quality, and modelling the dispersion of bioaerolsols to assess infection probabilities and exploring mitigation solutions in pandemic context. Furthermore, I am interested in connecting indoor air quality to health and well-being, and evaluating the costs and benefits related to indoor air quality.
Expertise area
Modelling and simulations.
Education/Academic qualification
Engineering, Master, Aalto University, School of Engineering
Award Date: 15 Dec 2015
External positions
Doctoral Student, Aalto University, School of Engineering
20 Apr 2023 → …
Skills and expertise
- Computational fluid dynamics (CFD)
- Heat transfer
- HVAC
- Python
- Indoor air quality (IAQ)
- Indoor environmental quality (IEQ)
- Simulations
- Modelling
- Java
- Project management
- Airborne contaminant control
- Infection probability modelling
- Building Energy 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):
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SDG 3 Good Health and Well-being -
SDG 7 Affordable and Clean Energy -
SDG 8 Decent Work and Economic Growth -
SDG 11 Sustainable Cities and Communities -
SDG 12 Responsible Consumption and Production -
SDG 13 Climate Action -
SDG 17 Partnerships for the Goals
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Collaborations and top research areas from the last five years
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GIANT: Global trends in IAQ - Novel technologies, Competence and Business
Säämänen, A. (Manager), Siilin, N. (Participant), Karvinen, A. (Participant), Ehder-Gahm, I. (Participant), Heinonen, K. (Participant), Hakala, J. (Participant) & Kultanen, M. (Participant)
1/01/24 → 31/12/26
Project: Business Finland project
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HEALTHY SAILING: Prevention, mitigation, management of infectious diseases on cruise ships and passenger ferries
Siilin, N. (Manager), Salmela, H. (Participant), Karvinen, A. (Participant) & Laitinen, A. (Participant)
1/09/22 → 28/02/26
Project: EU project
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E3: Excellence in Pandemic Response and Enterprise Solutions
Karvinen, A. (Manager), Krohns-Välimäki, H. (Owner), Ehder-Gahm, I. (Participant), Hakala, J. (Participant), Kulmala, I. (Participant), Nuutinen, M. (Participant), Paasi, J. (Participant), Rökman, J. (Participant), Salmela, H. (Participant), Salo, S. (Participant), Siilin, N. (Participant), Säämänen, A. (Participant) & Taipale, A. (Participant)
1/07/21 → 31/10/24
Project: Business Finland project
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SmartRail#2: SmartRail 2. innovation phase
Hautala, R. (Manager), Lusikka, T. (Participant), Mononen, P. (Participant), Pihlajamaa, O. (Participant), Lamuela Orta, C. (Participant), Isola, R. (Participant), Nieminen, V. (Participant), Karvinen, A. (Participant), Lahti, J. (Participant), Heino, I. (Participant), Aromaa, S. (Participant), Salonen, T.-T. (Participant), Laarni, J. (Participant), Harviainen, T. (Participant), Tiusanen, R. (Participant), Virtanen, J. (Participant), Heikkilä, E. (Participant), Siilin, N. (Participant), Väätänen, A. (Participant), Viitanen, T. (Participant), Savolainen, M. (Participant) & Lammi, H. (Participant)
1/09/19 → 31/12/23
Project: Business Finland project
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Research output
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Exhaled CO2 and aerosol dispersion on a cruise ship: Airflow and infection risk insights
Hama, S., Kumar, P., Cheung, H. Y. W., Emygdio, A. P. M., Ewer, J., Wang, Z., Galea, E. R., Grandison, A., Jia, F., Siilin, N., Lepore, P. & HEALTHY SAILING project, 1 Jan 2026, In: Science of the Total Environment. 1010, 181112.Research output: Contribution to journal › Article › Scientific › peer-review
1 Link opens in a new tab Citation (Scopus) -
Airborne pathogen monitoring and dispersion modelling on passenger ships: A review
Kumar, P., Hama, S., Cheung, H. Y. W., Hadjichristodoulou, C., Mouchtouri, V. A., Anagnostopoulos, L., Kourentis, L., Wang, Z., Galea, E. R., Ewer, J., Grandison, A., Jia, F. & Siilin, N., 10 Jun 2025, In: Science of the Total Environment. 980, 179571.Research output: Contribution to journal › Review Article › peer-review
2 Link opens in a new tab Citations (Scopus) -
Analysing indoor environmental quality and energy use in an office space
Siilin, N., 8 Jun 2025.Research output: Contribution to conference › Conference article › Scientific › peer-review
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Calculation tool for co-evaluating of ventilation energy performance and indoor air quality
Siilin, N., Kurnitski, J., Salmela, H., Kultanen, M. & Salonen, H., 5 Dec 2025, In: E3S Web of Conferences. 672, 8 p., 01038.Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review
Open Access -
Evaluating ventilation effectiveness and exposure to airborne pathogens using computational fluid dynamics
Siilin, N., 6 May 2025.Research output: Contribution to conference › Conference Abstract › Scientific › peer-review