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Research presentation

Mathias Cehlin

Mathias Cehlin, universitetslektor i energiteknik, Högskolan i Gävle.

Research presentation

Mathias Cehlin

Senior lecturer

Research subject: Energy systems

Email: mathias.cehlin@hig.se
Telephone: +46 72 299 53 52

CURRENT RESEARCH

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Articles


Scholarly articles, refereed

Johansson, L., Bahrami, A., Wallhagen, M. & Cehlin, M. (2024). A comprehensive review on properties of tailings-based low-carbon concrete: Mechanical, environmental, and toxicological performances. Developments in the Built Environment, 18. 10.1016/j.dibe.2024.100428 [More information]
Honghao, R., Bahrami, A., Cehlin, M. & Wallhagen, M. (2024). Proposing new adhesive-free timber edge connections for cross-laminated timber panels: A step toward sustainable construction. Case Studies in Construction Materials, 20. 10.1016/j.cscm.2024.e02975 [More information]
Lane, A., Cehlin, M. & Thollander, P. (2024). Success factors and barriers for facility management in keeping nearly-zero-energy non-residential buildings energy-efficient over time. Buildings, 14. 10.3390/buildings14010242 [More information]
Andersson, H., Cehlin, M. & Moshfegh, B. (2023). An Investigation Concerning Optimal Design of Confluent Jets Ventilation with Variable Air Volume. The International Journal of Ventilation. 10.1080/14733315.2023.2300231 [More information]
Sayadi, S., Akander, J., Hayati, A., Gustafsson, M. & Cehlin, M. (2023). Comparison of Space Cooling Systems from Energy and Economic Perspectives for a Future City District in Sweden. Energies, 16 (9). 10.3390/en16093852 [More information]
Ameen, A., Cehlin, M., Yamasawa, H., Kobayashi, T. & Karimipanah, T. (2023). Energy saving, indoor thermal comfort and indoor air quality evaluation of an office environment using corner impinging jet ventilation. Developments in the Built Environment, 15. 10.1016/j.dibe.2023.100179 [More information]
Ameen, A., Cehlin, M. & Karimipanah, T. (2023). Numerical investigation of indoor thermal comfort and air quality for an office equipped with corner impinging jet ventilation. Advances in Building Energy Research, 17 (5), 578-604. 10.1080/17512549.2023.2269925 [More information]
Cehlin, M., Lin, Y., Sandberg, M., Claesson, L. & Wallhagen, M. (2023). Towards benchmarking of urban air quality based on homogenous surface emission. Results in Engineering (RINENG), 20. 10.1016/j.rineng.2023.101617 [More information]
Andersson, H., Cehlin, M. & Moshfegh, B. (2022). A numerical and experimental investigation of a confluent jets ventilation supply device in a conference room. Energies, 15 (5). 10.3390/en15051630 [More information]
Sayadi, S., Akander, J., Hayati, A. & Cehlin, M. (2022). Analyzing the climate-driven energy demand and carbon emission for a prototype residential nZEB in central Sweden. Energy and Buildings, 261. 10.1016/j.enbuild.2022.111960 [More information]
Ameen, A., Cehlin, M., Larsson, U., Yamasawa, H. & Kobayashi, T. (2022). Numerical investigation of the flow behavior of an isothermal corner impinging jet for building ventilation. Building and Environment, 223. 10.1016/j.buildenv.2022.109486 [More information]
Yamasawa, H., Kobayashi, T., Yamanaka, T., Choi, N., Cehlin, M. & Ameen, A. (2022). Prediction of thermal and contaminant environment in a room with impinging jet ventilation system by zonal model. Building and Environment, 221. 10.1016/j.buildenv.2022.109298 [More information]
Yamasawa, H., Kobayashi, T., Yamanaka, T., Choi, N., Cehlin, M. & Ameen, A. (2021). Applicability of Displacement Ventilation and Impinging Jet Ventilation System to Heating Operation. Japan Architectural Review, 4 (2), 403-416. 10.1002/2475-8876.12220 [More information]
Miller, W., Machard, A., Bozonnet, E., Yoon, N., Qi, D., Zhang, C., Liu, A., Sengupta, A., Akander, J., Hayati, A., Cehlin, M., Berk Kazanci, O. & Levinson, R. (2021). Conceptualising a resilience cooling system: a socio-technical approach. City and Environment Interactions, 11. 10.1016/j.cacint.2021.100065 [More information]
Yamasawa, H., Kobayashi, T., Yamanaka, T., Choi, N., Cehlin, M. & Ameen, A. (2021). Effect of supply velocity and heat generation density on cooling and ventilation effectiveness in room with impinging jet ventilation system. Building and Environment, 205. 10.1016/j.buildenv.2021.108299 [More information]
Zhang, C., Berk Kazanci, O., Levinson, R., Heiselberg, P., Olesen, B., Chiesa, G., Sodagar, B., Ai, Z., Selkowitz, S., Zinzi, M., Mahdavi, A., Akander, J., Hayati, A., Cehlin, M., Sayadi, S., Forghani, S., Zhang, H., Arens, E. & Zhang, G. (2021). Resilient cooling strategies – A critical review and qualitative assessment. Energy and Buildings, 251. 10.1016/j.enbuild.2021.111312 [More information]
Khosravi Bakhtiari, H., Akander, J. & Cehlin, M. (2020). Evaluation of Thermal Comfort in a Historic Building Refurbished to an Office Building with Modernized HVAC Systems. Advances in Building Energy Research, 14 (2), 218-237. 10.1080/17512549.2019.1604428 [More information]
Steen Englund, J., Cehlin, M., Akander, J. & Moshfegh, B. (2020). Measured and Simulated Energy Use in a Secondary School Building in Sweden — A Case Study of Validation, Airing, and Occupancy Behaviour. Energies, 13 (9). 10.3390/en13092325 [More information]
Khosravi Bakhtiari, H., Akander, J., Cehlin, M. & Hayati, A. (2020). On the Performance of Night Ventilation in a Historic Office Building in Nordic Climate. Energies, 13 (16). 10.3390/en13164159 [More information]
Andersson, H., Kabanshi, A., Cehlin, M. & Moshfegh, B. (2020). On the ventilation performance of low momentum confluent jets supply device in a classroom. Energies, 13 (20). 10.3390/en13205415 [More information]
Cehlin, M., Karimipanah, T., Larsson, U. & Ameen, A. (2019). Comparing thermal comfort and air quality performance of two active chilled beam systems in an open-plan office. Journal of Building Engineering, 22, 56-65. 10.1016/j.jobe.2018.11.013 [More information]
Ameen, A., Choonya, G. & Cehlin, M. (2019). Experimental Evaluation of the Ventilation Effectiveness of Corner Stratum Ventilation in an Office Environment. Buildings, 9 (7). 10.3390/buildings9070169 [More information]
Ameen, A., Cehlin, M., Larsson, U. & Karimipanah, T. (2019). Experimental Investigation of Ventilation Performance of Different Air Distribution Systems in an Office Environment : Heating Mode. Energies, 12 (10). 10.3390/en12101835 [More information]
Ameen, A., Cehlin, M., Larsson, U. & Karimipanah, T. (2019). Experimental investigation of ventilation performance of different air distribution systems in an office environment – cooling mode. Energies, 12 (7). 10.3390/en12071354 [More information]
Cehlin, M. (2019). Mapping tracer gas concentrations using a modified Low Third Derivative method : numerical study. The International Journal of Ventilation, 18 (2), 136-151. 10.1080/14733315.2018.1462935 [More information]
Andersson, H., Cehlin, M. & Moshfegh, B. (2018). Experimental and numerical investigations of a new ventilation supply device based on confluent jets. Building and Environment, 137, 18-33. 10.1016/j.buildenv.2018.03.038 [More information]
Haghshenas, S., Sajadi, B. & Cehlin, M. (2018). Multi-Objective Optimization of Impinging Jet Ventilation Systems: Taguchi Based CFD Method. Building Simulation, 11 (6), 1207-1214. 10.1007/s12273-018-0450-z [More information]
Lane, A., Cehlin, M. & Gustavsson, T. (2017). ByggaE – Method for Quality Assurance of Energy Efficient Buildings. International Journal of Energy Production and Management, 2 (2), 133-139. 10.2495/EQ-V2-N2-133-139 [More information]
Joudi, A., Cehlin, M., Svedung, H., Rönnelid, M. & Moshfegh, B. (2017). Numerical and experimental investigation of the influence of infrared reflective interior surfaces on building temperature distributions. Indoor + Built Environment, 26 (3), 355-367. 10.1177/1420326X15609966 [More information]
Arghand, T., Karimipanah, T., Awbi, H., Cehlin, M., Larsson, U. & Linden, E. (2015). An experimental investigation of the flow and comfort parameters for under-floor, confluent jets and mixing ventilation systems in an open-plan office. Building and Environment, 92, 48-60. 10.1016/j.buildenv.2015.04.019 [More information]
Liu, L., Moshfegh, B., Akander, J. & Cehlin, M. (2014). Comprehensive investigation on energy retrofits in eleven multi-family buildings in Sweden. Energy and Buildings, 84, 704-715. 10.1016/j.enbuild.2014.08.044 [More information]
Chen, H., Moshfegh, B. & Cehlin, M. (2013). Computational investigation on the factors influencing thermal comfort for impinging jet ventilation. Building and Environment, 66, 29-41. 10.1016/j.buildenv.2013.04.018 [More information]
Chen, H., Moshfegh, B. & Cehlin, M. (2013). Investigation on the flow and thermal behavior of impinging jet ventilation systems in an office with different heat loads. Building and Environment, 59, 127-144. 10.1016/j.buildenv.2012.08.014 [More information]
Joudi, A., Cehlin, M. & Rönnelid, M. (2013). Reflective coatings for interior and exterior of buildings and improving thermal performance. Applied Energy, 103, 562-570. 10.1016/j.apenergy.2012.10.019 [More information]
Chen, H., Moshfegh, B. & Cehlin, M. (2012). Numerical investigation of the flow behavior of an isothermal impinging jet in a room. Building and Environment, 49, 154-166. 10.1016/j.buildenv.2011.09.027 [More information]
Angele, K., Odemark, Y., Cehlin, M., Hemström, B., Högström, C., Henriksson, M., Tinoco, H. & Lindqvist, H. (2011). Flow mixing inside a control-rod guide tube : Experimental tests and CFD simulations. Nuclear Engineering and Design, 241 (12), 4803-4812. 10.1016/j.nucengdes.2011.04.034 [More information]
Cehlin, M. & Moshfegh, B. (2010). Numerical Modeling of a Complex Diffuser in a Room with Displacement Ventilation. Building and Environment, 45 (10), 2240-2252. 10.1016/j.buildenv.2010.04.008 [More information]
Cehlin, M. & Sandberg, M. (2006). Computed tomography for indoor application. The International Journal of Ventilation, 4 (4), 349-364. External link [More information]
Cehlin, M., Moshfegh, B. & Sandberg, M. (2002). Measurements of air temperatures close to a low-velocity diffuser in displacement ventilation using an infrared camera. Energy and Buildings, 34 (7), 687-698. 10.1016/S0378-7788(01)00133-5 [More information]

Scholarly articles, non-refereed

Cehlin, M. & Sandberg, M. (2006). Computed Tomography for Indoor Applications. The International Journal of Ventilation, 4 (4), 349-364. [More information]

Other articles (popular science, debate etc.)

Wallhagen, M., Akander, J., Hayati, A., Jungell, T. & Cehlin, M. (2021). Klimatpåverkan från byggnader i fokus - snart införs krav på klimatdeklaration. Husbyggaren (1), 10-13. External link [More information]

Books

Wallhagen, M. & Cehlin, M. (ed.) (2023). Urban Transition - Perspectives on Urban Systems and Environments. IntechOpen. 276 p. 10.5772/intechopen.94994 [More information]

Doctoral thesis

Cehlin, M. (2006). Visualization of Airflow, Temperature and Concentration Indoors : whole-field measuring methods and CFD. Diss. (sammanfattning), 2006. Stockholm: Kungliga tekniska högskolan. Institutionen för byggvetenskap. 90 p. External link [More information]

Book chapters

Chiesa, G., Teufl, H., Mahdavi, A., Breesch, H., Sengupta, A., Kacanzi, O., Bogatu, D., Olesen, B., Elnagar, E., Lemort, V., Arghand, T., Javed, S., Sayadi, S., Forghani, S., Hayati, A., Akander, J., Cehlin, M., Sodagar, B., Stern, P., Yoon, N., Rahif, R., Attia, S., Zhang, C. & Heiselberg, P. (2023). Remove sensible heat from indoorenvironments. International Energy Agency - Resilient Cooling of Buildings - State of the Art Review. Vienna: Institute of Building Research & Innovation. P. 130-189. 10.52776/coxk4763 [More information]
Sayadi, S., Akander, J., Hayati, A. & Cehlin, M. (2021). Review on District Cooling and its Application in Energy Systems. Urban Transition - Perspectives on Urban Systems and Environments. IntechOpen. 10.5772/intechopen.100307 [More information]
Wallhagen, M., Akander, J., Hayati, A., Cehlin, M. & Karlsson, B. (2021). Viewpoints on Environmental Assessment of Building Certification Method - Miljöbyggnad. Urban Transition - Perspectives on Urban Systems and Environments. IntechOpen. 10.5772/intechopen.100699 [More information]
Akander, J., Cehlin, M. & Moshfegh, B. (2017). Assessing the Myths on Energy Efficiency When Retrofitting Multifamily Buildings in a Northern Region. Sustainable High Rise Buildings in Urban Zones : Advantages, Challenges, and Global Case Studies. Cham: Springer Publishing Company. P. 139-161. 10.1007/978-3-319-17756-4_8 [More information]

Conference papers

Sayadi, S., Akander, J., Hayati, A. & Cehlin, M. (2023). Analysing future cooling demand for a new preschool building in central Sweden. Proceedings of the 5th International Conference on Building Energy and Environment. Singapore: Springer. 10.1007/978-981-19-9822-5_283 [More information]
Yamasawa, H., Kobayashi, T., Yamanaka, T., Choi, N., Koshida, M., Cehlin, M. & Ameen, A. (2023). Experimental Investigation on the velocity profile of supply flow in impinging jet ventilation system. E3S Web of Conferences: EDP Sciences. 10.1051/e3sconf/202339602014 [More information]
Khosravi Bakhtiari, H., Sayadi, S., Akander, J., Hayati, A. & Cehlin, M. (2023). How Will Mechanical Night Ventilation Affect the Electricity Use and the Electrical Peak Power Demand in 30 Years? – A Case Study of a Historic Office Building in Sweden. Proceedings of the 5th International Conference on Building Energy and Environment. Singapore: Springer. 10.1007/978-981-19-9822-5_278 [More information]
Yamasawa, H., Cehlin, M., Ameen, A., Kobayashi, T., Kuga, K. & Ito, K. (2023). Influence of Exhaust Opening Height on Indoor Environment in Impinging Jet Ventilated Room. . [More information]
Honghao, R., Bahrami, A., Cehlin, M. & Wallhagen, M. (2023). Literature Review on Development and Implementation of Cross-Laminated Timber. Proceedings of the 5th International Conference on Building Energy and Environment. Singapore: Springer. 10.1007/978-981-19-9822-5_36 [More information]
Johansson, L., Bahrami, A., Cehlin, M. & Wallhagen, M. (2023). Study on Properties and Performance of Green Concrete. SynerCrete'23: International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures: Springer. P. 23-35. 10.1007/978-3-031-33187-9_3 [More information]
Sayadi, S., Hayati, A., Akander, J. & Cehlin, M. (2022). Cooling Demand Reduction Approaches in a Nearly Zero Energy Building for Future City District in Central-Sweden. Building Simulation Conference Proceedings: IBPSA. P. 1413-1420. 10.26868/25222708.2021.30327 [More information]
Lin, Y., Sandberg, M., Cehlin, M., Claesson, L. & Wigö, H. (2022). Evaluation of the Equivalent Purging Flow Rate for Single-side Ventilated Model with Tracer Gas Measurements. 5th International Conference on Building Energy and Environment (COBEE 2022): Springer. 10.1007/978-981-19-9822-5_311 [More information]
Yamasawa, H., Kobayashi, T., Yamanaka, T., Choi, N., Cehlin, M. & Ameen, A. (2022). Prediction of Temperature and Contaminant Concentration Profiles in a Room with Impinging Jet Ventilation System by Zonal Model. . External link [More information]
Sayadi, S., Hayati, A., Akander, J. & Cehlin, M. (2021). Cooling demand reduction approaches for typical buildings in a future city district in mid-Sweden. Proceedings of Building Simulation 2021 : 17th International Conference of IBPSA: International Building Performance Simulation Association (IBPSA). External link [More information]
Cehlin, M., Ameen, A., Sandberg, M., Claesson, L., Wigö, H. & Lin, Y. (2020). Urban Morphology and City Ventilation. . [More information]
Ameen, A. & Cehlin, M. (2019). Reducing energy usage in multi-family housing. 2019 9th International Conference on Future Environment and Energy 9–11 January 2019, Osaka, Japan: Institute of Physics Publishing (IOPP). 10.1088/1755-1315/257/1/012030 [More information]
Vachaparambil, K., Cehlin, M. & Karimipanah, T. (2018). Comparative Numerical Study of the Indoor Climate for Mixing and Confluent Jet Ventilation Systems in an Open-plan Office. Proceedings of the 4<sup>th</sup> international Conference on Building Energy &amp; Environment. Melbourne: Conference On Building Energy & Environment - COBEE2018, Melbourne Australia. P. 73-78. [More information]
Cehlin, M., Larsson, U. & Chen, H. (2018). Numerical investigation of Air Change Effectiveness in an Office Room with Impinging Jet Ventilation. Proceedings of the 4<sup>th</sup> international Conference on Building Energy &amp; Environment. Melbourne: Conference On Building Energy & Environment - COBEE2018, Melbourne Australia. P. 641-646. [More information]
Khosravi Bakhtiari, H., Cehlin, M. & Akander, J. (2018). Thermal Comfort in Office Rooms in a Historic Building with Modernized HVAC Systems. Proceedings of the 4th International Conference On Building Energy &amp; Environment, COBEE 2018 : RMIT University, Melbourne, Australia, Feb 5-9th 2018. Melbourne: Conference On Building Energy & Environment. P. 683-688. [More information]
Andersson, H., Cehlin, M. & Moshfegh, B. (2016). Energy-Saving Measures in a Classroom Using Low Pressure Drop Ceiling Supply Device : A Field Study. 2016 ASHRAE Winter Conference Papers: ASHRAE. [More information]
Cehlin, M. & Karimipanah, T. (2015). Prediction of indoor airflow close to a supply device using SST-SAS Model. Ventilation 2015 - Proceedings of the 11th International Conference on Industrial Ventilation: International Conference on Industrial Ventilation. P. 681-688. [More information]
Karimipanah, T., Larsson, U. & Cehlin, M. (2014). Investigation of flow pattern for a confluent-jets system on a workbench of an industrial space. Indoor Air 2014 : 13th International Conference on Indoor Air Quality and Climate. P. 192-199. External link [More information]
Cehlin, M., Karimipanah, T. & Larsson, U. (2014). Unsteady CFD simulations for prediction of airflow close to a supply device for displacement ventilation. Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. P. 47-54. External link [More information]
Sandberg, M., Wigö, H., Claesson, L. & Cehlin, M. (2011). A wind tunnel method for screening the interaction between wind turbines in planned wind farms. WREC 2011 Linköping Sweden 2011. [More information]
Karimipanah, T. & Cehlin, M. (2011). Comparing the efficiency of three turbulence models with experiments conducted for a two-dimensional wall jet in a ventilated room : <em></em>. Proceedings of Roomvent 2011, 11<sup>th</sup> International Conference on Air Distribution in Rooms 19 - 22 June 2011 Trondheim, Norway. P. 8-. [More information]
Angele, K., Cehlin, M., Högström, C., Odemark, Y., Henriksson, M., Tinoco, H., Lindqvist, H. & Hemström, B. (2010). Flow Mixing Inside a Control-Rod Guide Tube : Part 2—Experimental Tests and CFD-Simulations. 18th International Conference on Nuclear Engineering : Volume 4, Parts A and B. P. 655-663. [More information]
Cehlin, M., Moshfegh, B., Karlsson, F. & Larsson, U. (2008). Analysis on Thermal Comfort for a Hospital Building by Multi-zone Modeling : Summer Condition. Proceedings of World Renewable Energy Congress X. [More information]
Cehlin, M. & Sandberg, M. (2007). Time evolution of gravity currents discharged from low velocity diffusers. Roomvent 2007. P. 61-70. [More information]
Cehlin, M. & Sandberg, M. (2007). Time evolution of gravity currents discharged from low velocity diffusers. Roomvent 2007 : 10th International Conference on Air Distribution in Rooms, 13-15 June 2007, Helsinki, Finland. [More information]
Cehlin, M. & Moshfegh, B. (2005). Visualization of Isothermal Low-Reynolds Circular Air Jet Using Computed Tomography.. <em>Proceedings of 6 th <em>World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics</em></em>. External link [More information]
Linden, E., Hellström, J., Cehlin, M. & Sandberg, M. (2001). Virtual reality presentation of temperature measurements on a diffuser for displacement ventilation. The 4th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings. [More information]
Linden, E., Cehlin, M. & Sandberg, M. (2000). Temperature and velocity measurements on a diffuser for displacement ventilation with whole field methods. The 7th International Conference on Air Distribution in Rooms. [More information]

Reports

Cehlin, M. & Karlsson, F. (2009). Komfort- och inomhusmiljökonsekvenser av strukturerad energieffektivisering av vårdlokaler. Gävle: Högskolan i Gävle. 100 p. External link [More information]
Cehlin, M., Moshfegh, B. & Stymne, H. (2000). Kartläggning av inneklimatparametrar i Volvo Eskilstuna : byggnad SE75 Zon 7, 10 och 12. Gävle: University of Gävle. 25 [100] p. (Working paper 10) External link [More information]
Cehlin, M., Moshfegh, B. & Stymne, H. (2000). Mapping of Indoor Climate Parameters in Volvo, Eskilstuna. Gävle: University of Gävle. (Working paper 10) [More information]
Published by: Camilla Haglund Page responsible: Gunilla Mårtensson Updated: 2020-03-04
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