Dr Mohsen Kazemimanesh is a Senior Scientist in the Air Quality and Aerosol Metrology (AQAM) Group at the National Physical Laboratory (NPL). Mohsen leads NPL’s work on measurement and physicochemical characterisation of novel and emerging sources of airborne particles (aerosols) by different metrics such as particle size distribution and number or mass concentration. This work involves extending the size range and traceability of calibration aerosols beyond the state of the art, in line with the requirements of future standards and regulations. He also leads NPL’s work on technologies used for the regulation of particle emissions from automotive and aviation industry, including volatile particle removers (VPR) and portable emissions measurement systems (PEMS). Mohsen's current research interests include:
- Characterisation, quantification, and environmental impact of emerging sources of particle emissions such as brake and tyre wear particles from vehicles
- Developing testing facilities for validation of low-cost air quality sensors for ambient and indoor air monitoring
- Developing improved calibration techniques and novel reference instruments for the measurement of particulate matter (PM) in air beyond the state of the art.
Mohsen has more than a decade of solid experience in aerosol science and engineering. He has a PhD degree in Mechanical Engineering from University of Alberta, where he also completed his Master of Science in the same field. Prior to joining the AQAM Group at NPL, he was a postdoctoral researcher at the University of Cambridge. His previous research in academia focused on a wide range of topics in aerosol science and technology. This included using novel techniques to measure and characterise harmful particle emissions from various combustion sources (e.g., gas flares in oil and gas industry, vehicle and aircraft engines, and tobacco smoke) as well as non-combustion sources (e.g., brake and tyre wear emissions). Mohsen’s research also included development of aerosol generators and measurement sensors, as well as using aerosol-based methods for the generation of useful engineered particles for net zero and sustainable applications.
Mohsen is a Committee Member of the UK and Ireland Aerosol Society since 2021, Co-chair of Aerosol Technology Working Group in the European Aerosol Assembly (EAA) since 2020, a member of the CCQM-GAWG Task Group on Aerosol Metrology, and a member of the American Association for Aerosol Research (AAAR) since 2017. Mohsen is also a member of two working groups (WG) in ISO/TC 229/WG 2 on measurement and characterisation of nanomaterials and ISO/TC 24/SC 4/WG 12 on mobility and concentration of aerosol particles, contributing to several documentary standards. He has served for the European Aerosol Conference as a member of the Organising Committee in 2021 and as session chair in 2020, 2021 and 2023. Mohsen was the Chair of the 2023 UK Annual Aerosol Science Conference and is a peer reviewer for top-tier journals in the fields of aerosols, atmospheric sciences, combustion and energy sciences, and sustainability.
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Selected publications
1. Balendra, S., Kale, A., Pongetti, J., Kazemimanesh, M., Haugen, M., Weller, L., Boies, A. “Condensation particle counters: Exploring the limits of miniaturisation” Journal of Aerosol Science, 175:106266, 2024. doi: 10.1016/j.jaerosci.2023.106266
2. Kazemimanesh, M., Rahman, M. M., Duca, D., Johnson, T. J., Addad, A., Giannopoulos, G., Focsa, C., Boies, A. M. “A comparative study on effective density, shape factor, and volatile mixing of non-spherical particles using tandem aerodynamic diameter, mobility diameter, and mass measurements” Journal of Aerosol Science, 161:105930, 2022. doi: 10.1016/j.jaerosci.2021.105930
3. Samaras, Z., Rieker, M., Papaioannou, E., …, Kraft, M., Kazemimanesh, M., Boies, A. M., …, Zamora, D., Maggiore, M. “Perspectives for regulating 10 nm particle number emissions based on novel measurement methodologies” Journal of Aerosol Science, 162:105957, 2022. doi: 10.1016/j.jaerosci.2022.105957
4. Kazemimanesh, M., Baldelli, A., Trivanoic, U., …, Rogak, S. N., Olfert, J. S. “Particulate emissions from turbulent diffusion flames with entrained droplets: A laboratory simulation of gas flaring emissions” Journal of Aerosol Science, 157:105807, 2021. doi: 10.1016/j.jaerosci.2021.105807
5. Sipkens, T. A., Trivanovic, U., Naseri, A., Bello, O. W., Baldelli, A., Kazemimanesh, M., Bertram, A. K., Kostiuk, L. W., Corbin, J. C., Olfert, J. S., Rogak S. N. “Using two-dimensional distributions to inform the mixing state of soot and salt particles produced in gas flares” Journal of Aerosol Science, 158:105826, 2021. doi: 10.1016/j.jaerosci.2021.105826
6. Kazemimanesh, M., Kuang, C., Kostiuk, L. W., Olfert, J. S. “Effect of sodium chloride on the evolution of size, mixing state, and light absorption of soot particles from a smoking laminar diffusion flame” Combustion and Flame, 218:168–178, 2020. doi: 10.1016/j.combustflame.2020.04.001
7. Trivanovic, U., Sipkens, T. A., Kazemimanesh, M., Baldelli, A., Jefferson, A. M., Conrad, B. M., Johnson, M. R., Corbin, J. C., Olfert, J. S., Rogak, S. N. “Morphology and size of soot from gas flares as a function of fuel and water addition” Fuel, 279:118478, 2020. doi: 10.1016/j.fuel.2020.118478
8. Graves, B. M., Johnson, T. J., Nishida, R. T., Dias, R. P., Savareear, B., Harynuk, J. J., Kazemimanesh, M., Olfert, J. S. and Boies, A. M. “Comprehensive characterization of mainstream marijuana and tobacco smoke” Scientific Reports, 10(1):7160, 2020. doi: 10.1038/s41598-020-63120-6
9. Kazemimanesh, M., Dastanpour, R., Baldelli, A., Moallemi, A., Thomson, K. A., Jefferson, M. A., Johnson, M. R., Rogak, S. N., Olfert, J. S. “Size, effective density, morphology, and nano-structure of soot particles generated from buoyant turbulent diffusion flames” Journal of Aerosol Science, 132: 22–31, 2019. doi: 10.1016/j.jaerosci.2019.03.005
10. Kazemimanesh, M., Moallemi, A., Thomson, K., Smallwood, G., Lobo, P., Olfert, J. S. “A novel miniature inverted-flame burner for the generation of soot nanoparticles” Aerosol Science and Technology, 53(2):184–195, 2019. doi: 10.1080/02786826.2018.1556774
11. Moallemi, A., Kazemimanesh, M., Corbin, J. C., Thomson, K., Smallwood, G., Olfert, J. S., Lobo, P. “Characterization of black carbon particles generated by a propane-fueled miniature inverted soot generator” Journal of Aerosol Science, 135:46–57, 2019. doi: 10.1016/j.jaerosci.2019.05.004
12. Moallemi, A., Kazemimanesh, M., Olfert, J. S., Kostiuk, L. W. “The effect of sodium chloride on the nanoparticles observed in a laminar methane diffusion flame” Combustion and Flame, 188:273–283, 2018. doi: 10.1016/j.combustflame.2017.10.009
13. Kazemimanesh, M., Moallemi, A., Olfert, J. S., Kostiuk, L. W. “Probe sampling to map and characterize nanoparticles along the axis of a laminar methane jet diffusion flame” Proceedings of the Combustion Institute, 36(1):881–888, 2017. doi: 10.1016/j.proci.2016.06.169
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