Forskarpresentation
Mats Sandberg
Senior professor
Forskningsämne: Energisystem
E-post: mats.sandberg@hig.se
Telefon: 026-64 81 39
Mobil: 070-554 22 41
Indoor and Urban Environment with focus on Climate and Ventilation.
AKTUELL FORSKNING
- Energy conservation in churches
- Pressure pulse technique for measuring tightness of historical buildings
- Fundamental studies of natural ventilation
- Urban Net
- Ventilation of Compact cities
- City Vent-A Theory of Ventilation of a Dense and High-Rise City by Wind and Buoyancy Forces
LÄS MER OM
Konferensbidrag
Kabanshi, A., Chocarro de Erauso, B. & Sandberg, M. (2023). Experimental study on augmentation of mixing within a stratified indoor environment by erosion of density interface. E3S Web of Conferences. 10.1051/e3sconf/202339602037
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Jiang, Z., Kobayashi, T., Sandberg, M., Yamanaka, T., Choi, N. & Sano, K. (2023). Statistical Analysis Approach of Single-sided Ventilation Based on Particle Track Technique Using Large Eddy Simulation. E3S Web of Conferences: EDP Sciences. 10.1051/e3sconf/202339602012
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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
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Liu, W. & Sandberg, M. (2022). The effects of room length on jet momentum flux. E3S Web Conf. Volume 356, 2022 The 16<sup>th</sup> ROOMVENT Conference (ROOMVENT 2022): EDP Sciences. S. 01001-01001. 10.1051/e3sconf/202235601001
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Buccolieri, R., Lin, Y., Wigö, H. & Sandberg, M. (2021). Drag force rose representing the interaction between urban geometries and wind. 15th ROOMVENT (Roomvent 2020) virtual conference : Energy efficient ventilation for healthy future buildings. S. 85-88.
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Albuquerque, D., Sandberg, M., Linden, P. & da Graca, G. (2020). LES simulation of oscillating natural ventilation driven by vortex shedding in isolated buildings. Proceedings of Building Simulation 2019: 16th Conference of IBPSA: IBPSA. S. 644-649. 10.26868/25222708.2019.210516
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Cehlin, M., Ameen, A., Sandberg, M., Claesson, L., Wigö, H. & Lin, Y. (2020). Urban Morphology and City Ventilation. .
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Sandberg, M., Wigö, H. & Kabanshi, A. (2018). Is Building Ventilation a Process of Diluting Contaminants or Delivering Clean Air?. Excellent Indoor Climate and High Performing Ventilation. S. 253-258.
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Kabanshi, A., Sandberg, M. & Wigö, H. (2018). Measurement of Entrainment into an Axisymmetric Jet using Temperature as a Tracer : A Pilot Study. Excellent Indoor Climate and High Performing Ventilation. S. 397-402.
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Kabanshi, A., Ameen, A., Yang, B., Wigö, H. & Sandberg, M. (2017). Energy simulation and analysis of an intermittent ventilation system under two climates. 10th International Conference on Sustainable Energy and Environmental Protection : Energy Efficiency. Maribor: University of Maribor Press. S. 1-10.
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Kabanshi, A., Sattari, A., Linden, E., Wigö, H. & Sandberg, M. (2017). Experimental study on contaminant entrainment in air distribution systems with free jets. Healthy Buildings Europe 2017: ISIAQ.
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Buccolieri, R., Wigö, H., Sandberg, M. & Sabatino, S. (2017). On the drag force distribution over arrays of cubical buildings : Wind tunnel experiments. HARMO 2017 - 18th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings: Hungarian Meteorological Service. S. 384-388.
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Hayati, A., Mattsson, M. & Sandberg, M. (2016). A Study on Airing Through the Porches of a Historical Church – Measurements and IDA-ICE Modelling. ASHRAE and AIVC IAQ 2016 - Defining Indoor Air Quality : Policy, Standards and Best Practices, 2016: ASHRAE. S. 216-223.
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Neophytou, M., Fernando, H., Batchvarova, E., Sandberg, M., Lelieveld, J. & Tryphonos, E. (2014). A scaling law for the Urban Heat Island phenomenon : deductions from field measurements and comparisons with existing results from laboratory experiments. ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. 10.1115/FEDSM2014-21819
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Wang, Q., Sandberg, M. & Hang, J. (2014). Assessment of air change rate and contribution ratio in idealized urban canopy layers by tracer gas simulations. Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. S. 470-477.
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Sattari, A. & Sandberg, M. (2014). Particle image velocimetry (PIV) visualization of air flow over a wall-mounted radiator. .
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Luo, Z., Li, B., Sandberg, M. & Liu, J. (2014). Ventilation performance in a passage between two nonparallel buildings. Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. S. 815-820.
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Yin, S., Sandberg, M. & Li, Y. (2014). Water tank investigation of single and multiple buoyant plumes from squared blocks in calm environment. Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. S. 295-297.
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Lim, E., Ito, K. & Sandberg, M. (2013). Evaluation of the Photocatalytic Decomposition Effect on the Improvement of Iaq by New Ventilation Index – Net Escape Velocity. Clima 2013 11th REHVA World Conference on IAQVEC June 16-19 Czech Republic. Prague: Society of Environmetal Engineering.
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Hayati, A., Mattsson, M., Sandberg, M. & Linden, E. (2013). Evaluation of two air infiltration models on a church. Conference proceedings: Cultural heritage preservation – 3rd European Workshop on Cultural Heritage Preservation. S. 47-53.
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Mattsson, M., Sandberg, M., Claesson, L., Lindström, S. & Hayati, A. (2013). Fan pressurization method for measuring air leakage in churches – wind and stack induced uncertainties. Conference proceedings: Cultural heritage preservation – 3rd European Workshop on Cultural Heritage Preservation. S. 63-68.
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Khan, M., Fransson, J. & Sandberg, M. (2013). On the wake pressure footprint and its potential application for wake flow analysis. European Wind Energy Conference and Exhibition, EWEC 2013. S. 939-945.
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Sandberg, M., Sattari, A. & Mattsson, M. (2013). Plaster finishes in historical buildings : Measurements of surface structure, roughness parameters and air flow characteristics. Conference proceedings: Cultural heritage preservation – 3rd European Workshop on Cultural Heritage Preservation. S. 69-75.
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Sandberg, M., Eunsu, L. & Ito, K. (2012). Fundamental CFD Analysis for New Ventilation Index-Purging Flow Rate and Net Escape Velocity. 10th Healthy Buildings 8-12 June, Brisbane Queensland Australia, 2012.
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Sattari, A., Ahmadi Moghaddam, E. & Sandberg, M. (2012). Industrial nanoparticles health risks and advantages of a decent industrial ventilation system in reducing the related risks. .
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Sattari, A. & Sandberg, M. (2012). Piv study of ventilation quality incertain occupied regions of a 2d room model with rapidly varying flow rates. .
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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.
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Linden, E. & Sandberg, M. (2011). Control of jets for ventilation by using different combinations of blowing and suction. Proceedings Roomvent 2011 Trondheim Norway Juni 2011: Tapir Academic Press.
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Mattsson, M., Broström, T., Linden, E., Lindström, S. & Sandberg, M. (2011). Fan Convectors vs. Bench heaters in Churches – impact on air velocities. EEHB 2011 : Conference on Energy Efficiency in Historic Buildings. Visby: Gotland University Press.
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Mattsson, M., Broström, T., Linden, E., Lindström, S. & Sandberg, M. (2011). Impact of heating system on air velocities in a medieval stone church. Roomvent 2011 : 12th International conference on air distribution in rooms. Trondheim, Norge: Tapir Akademisk Forlag.
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Mattsson, M., Lindström, S., Linden, E. & Sandberg, M. (2011). Methods to Identify Air Leakages in the Building Envelope of Churches. EEHB 2011 : Conference on Energy Efficiency in Historic Buildings. Visby, Sweden.
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Sattari, A., Fallenius, B., Fransson, J. & Sandberg, M. (2011). PIV Visualisation Study in a Two-Dimensional Room Model with Rapid Time Varying Ventilation Flow Rates. : tapir academic press.
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Sandberg, M., Buccoliere, R., Garbero, V., Salizoni, P., Soulhac, L. & Di Sabatina, S. (2011). Pollutant dispersion at the neighborhood scale via wind tunnel experiment and CFD simulations. Proc. 13th International Conference on Wind Engineering, Amsterdam, July 10-15 2011.
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Karimipanah, T. & Sandberg, M. (2011). Some observations of interaction between the ambient and an axisymmetric jet impinging on a surface : <em></em>. Proceedings of Roomvent 2011, 11<sup>th</sup> International Conference on Air Distribution in Rooms 19 - 22 June 2011 Trondheim, Norway..
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Sandberg, M., Neophytou, M., Fokaides, P., Panagiotou, I., Ioannou, I., Petrou, M., Wigö, H., Linden, E., Batchvarova, E., Videnov, P., Dimitroff, B. & Ivanov, A. (2011). Towards optimization of urban planning and architectural parameters for energy use minimization in Mediterranean cities. WREC 2011.
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Mattsson, M., Lindström, S., Linden, E. & Sandberg, M. (2011). Tracer gas techniques for quantifying the air change rate in churches – field investigation experiences. Proc. Roomvent 2011 : 12<sup>th</sup> International conference on air distribution in rooms. Trondheim, Norge: Tapir Akademisk Forlag.
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Sandberg, M., Mattsson, M., Etheridge, D. & Claesson, L. (2011). Wind tunnel measurements of pressure distribution on the facade of a church. Proc. EEHB 2011 : Conference on Energy Efficiency in Historic Buildings. Visby: Gotland University Press.
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Sandberg, M., Mattsson, M., Etheridge, D. & Claesson, L. (2011). Wind tunnel measurements of pressure distribution on the façade and surrounding ground of a church. Roomvent 2011 : 12<sup>th</sup> International conference on air distribution in rooms. Trondheim, Norge: Tapir Akademisk Forlag.
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Buccolieri, R., Sartoretto, F., Giacometti, A., Di Sabatino, S., Leo, L., Pulvirenti, B., Sandberg, M. & Wigö, H. (2010). Flow and pollutant dispersion within the Canal Grande channel in Venice (Italy) via CFD techniques. HARMO 2010 - Proceedings of the 13th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes. S. 760-764.
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Broström, T., Linden, E., Lindström, S., Mattsson, M. & Sandberg, M. (2009). Convective heating in a medieval church : Effects of air-to-air heat pumps on air movements, particle deposition and temperature distribution. .
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Sandberg, M., Hang, J. & Li, Y. (2009). Wind through building clusters : Macroscopic simulation using a porous turbulence model. Proceedings the 1th International Conference on Air Distribution in Rooms : May 24-27, Busan Korea.
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Sandberg, M., Wigö, H. & Mattsson, M. (2008). Generation of dust balls and their aerodynamic properties. Indoor air 2008 : Proceedings of the 11th International Conference on Indoor Air Quality and Climate, 17-22 August, Copenhagen, Denmark. Kgs Lyngby: Technical university of Denmark.
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Buccoliere, R. & Sandberg, M. (2008). Study of the effect of building density and overall shape of a city on pollutant dispersion by combination of wind tunnel experiments and CFD simulations. Proc. 12th Int. Conf. on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes.
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Törnström, T., Ghahremanian, S., Janbaksh, S., Nielsen, A., Nilsson, H., Sandberg, M. & Wahlström, Å. (2007). Low-energy cooling for improved thermal comfort in offices. The 6th International Conference on Indoor Air Quality, Ventilation & Energy Conservation In Buildings. S. 154-.
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Spazzini, P., Todde, V. & Sandberg, M. (2007). Low-speed measurements using a hot-wire anemometer. FLOMEKO : 14th Flow Measurement Conference Johannesburg South Africa.
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Kobayashi, T., Sagara, K., Yamanaka, T., Kotani, H. & Sandberg, M. (2007). Prediction of cross-ventilation rate through large openings-problem of conventional method. Roomvent 2007 : 10th International Conference on Air Distribution in Rooms, Vol 3. S. 103-112.
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Kobayashi, T., Sagara, K., Yamanaka, T., Kotani, H. & Sandberg, M. (2007). Stream tube analysis of cross-ventilated simple-shaped model and detached house. The 6th International Conference on Indoor Air Quality, Ventilation & Energy Conservation in Buildings.
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Fredriksson, J. & Sandberg, M. (2007). The effect of false ceilings on the performance of passive chilled beams. The 6th International Conference on Indoor Air Quality, Ventilation & Energy Conservation in Buildings. S. 13-.
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Cehlin, M. & Sandberg, M. (2007). Time evolution of gravity currents discharged from low velocity diffusers. Roomvent 2007. S. 61-70.
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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.
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Westerberg, U. & Sandberg, M. (2006). A typology for urban form with respect to wind climate. International conference for Nordic Network for Urban Morphology, Stockholm 2006 Book of Abstracts.
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Sandberg, M., Linden, E., Westerberg, U., Claesson, L. & Elvsén, P. (2006). Air flow pattern and pressure distribution within a street network in an urban area with a high building area density. The 6th International Conference on Urban Climate : Preprints. S. 188-191.
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Sandberg, M. (2006). Hydraulic resistance and heat transfer in cooling ducts for Building Integrated PV.. World Renewable Energy Congress IX. S. 80-.
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Kobayashi, T., Sagara, K., Yamanaka, T., Kotani, H. & Sandberg, M. (2006). Prediction of Cross-Ventilation Rate based on stream Tube Analysis Part 2. Basic Characteristics of Stream Tube based on CFD Analysis. Proceedings of Annual meeting of SHASEJ, Kinki Chapter. S. 143-146.
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Kobayashi, T., Sagara, K., Yamanaka, T., Kotani, H. & Sandberg, M. (2006). Stream Tube Analysis for Prediction of Cross-ventilation Rate : Part 5 : Characteristics of Stream Tube Analysis on CFD Analysis. Proceedings of Annual Meeting of AIJ, Kinki Chapter. S. 357-360.
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Kobayashi, T., Sagara, K., Yamanaka, T., Kotani, H. & Sandberg, M. (2006). Stream Tube Analysis for Prediction of Cross-Ventilation Rate : Part 6 : Discharge Coefficient and Pressure Coefficient of Buildings based on Stream Tube Analysis. Summary of Technical Papers of Annual Meeting of AIJ. S. 779-780.
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Hang, J., Li, Y. & Sandberg, M. (2006). Understanding Air Exchange and Pollutant Dispersion in a Very Long Street with a RBG k-e Model. International Conference Megacities 2006, conference proceedings. S. 442-451.
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Linden, E., Sandberg, M. & Westerberg, U. (2006). Wind field in an urban space explored by different methods. The 6th International Conference on Urban Climate (ICUC6).
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Forsberg, A., Winkler Pettersson, L., Linden, E., Sandberg, M. & Seipel, S. (2005). An augmented-reality approach to co-located visual exploration of indoor climate data in real rooms. Indoor Air 2005: Proceedings of the 10th International Conference on Indoor Air Quality and Climate. S. 2860-2860.
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Wigö, H. & Sandberg, M. (2005). Draught free intermittent cooling at moderate over temperatures by generating pulses of high velocities.. Proceedings of 10th International Conference on Indoor Air Quality and Climate. S. 209-213. 10.1111/j.1600-0668.2005.00002.x
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Leal, V., Sandberg, M. & Maldonado, E. (2004). An analytical model for the outflow in a ventilated window with known surface temperatures. Roomvent 2004 Coimbra Portugal.
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Heiselberg, P., Jensen, J., Sandberg, M. & Nielsen, P. (2004). Experimental and Numerical Analysis of Wind Driven Natural Ventilation in a Building Scale Model. RoomVent 2004 : 9th international conference in University of Coimbra : Portugal, 5-8th september 2004.
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Elvsén, P. & Sandberg, M. (2004). Particle Streak Velocimetry for Room Air Flows-Some Improvements. Roomvent.
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Sandberg, M. & Elvsén, P. (2004). Rapid time varying ventilation flow rates as a mean of increasing the ventilation efficiency. Roomvent 2004.
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Linden, E., Broberg, B., Olsson, S. & Sandberg, M. (2004). Towards making the indoor climate visible in practice. The 9th International Conference on Air Distribution in Rooms. S. 168-169.
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Sandberg, M., Skote, M., Westerberg, U., Claesson, L. & Johansson, A. (2004). Urban Morphology and windiness. Cost Action C14 Impact of Wind and Storm on City Life and Built Environment May 5-7.
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Lindberg, F., Sandberg, M., Westerberg, U. & Claesson, L. (2004). Windiness in an Urban Space described with different methods. Cost Action C14-Impact of wind and Storm on City Life and Built Environment.
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Blomqvist, C. & Sandberg, M. (2002). A Note on Air Movements through Horizontal Openings in Buildings. The 8th International Conference on Air Distribution in Rooms : Individual Controlled Environment.
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Wigö, H. & Sandberg, M. (2002). Creating velocity variations in a whole room. Proceedings of the 8th International Conference on Air Distribution in Rooms. S. 273-276.
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Wigö, H., Knez, I. & Sandberg, M. (2002). Effects of velocity variations in ventilated room on comfort, affect and cognitive performance. Indoor air 2002 : proceedings of 9th International Conference on Indoor Air Quality and Climate, Monterey, California, June 30-July 5, 2002. Santa Cruz, CA: IAIAS.
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Linden, E., Elvsén, P. & Sandberg, M. (2002). Whole field mapping of temperature pattern in the near zone of an elevated displacement diffuser. The 8th International Conference on Air Distribution in Rooms. S. 765-768.
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Wigö, H. & Sandberg, M. (2001). Velocity variations in ventilated rooms as a method for creating comfort. Proceedings of 22nd AIVC Conference. S. 27.1-27.12.
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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.
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Karimipanah, T., Sandberg, M. & Awbi, H. (2000). A comparative study of different air distribution systems in a classroom. Air distributions in rooms : Ventilation for Health and Sustainable Environment: Elsevier. S. 1013-1018.
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Holmberg, S., Sandberg, M., Mattsson, M., Nilsson, H. & Holmér, I. (2000). Indoor Air Quality and climate control parameters in office environment – CFD calculations and measurements. Roomvent 2000 Conference.
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Blomqvist, C. & Sandberg, M. (2000). Spread of Gravity Currents in Multi Room Buildings. The 7th International Conference on Air Distribution in Rooms : Ventilation for Health and Sustainable Environment.
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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.
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Todde, V., Linden, E. & Sandberg, M. (1998). Indoor Low Speed Air Jet Flow : Fibre Film Probe Measurements. The 6th International Conference on Air Distribution in Rooms.
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Linden, E., Todde, V. & Sandberg, M. (1998). Indoor Low Speed Air Jet Flow : Three-Dimensional Particle Streak Velocimetry. The 6th International Conference on Air Distribution in Rooms.
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Blomqvist, C. & Sandberg, M. (1998). Transition from Bi-directional to Unidirectional Flow in a Doorway. ROOMVENT '98 : proceedings : 6th International Conference on Air Distribution in Rooms. Stockholm.
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Blomqvist, C. & Sandberg, M. (1997). Measurements and Control of Air Movements within a Building. AIVC 18th Conference, proceedings of "Ventilation and Cooling". S. 427-436.
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Mattsson, M., Bjørn, E., Sandberg, M. & Nielsen, P. (1997). Simulating People Moving in Displacement Ventilated Rooms. Proc. Healthy Buildings/AIQ ‘97, Washington DC, USA..
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Karimipanah, T. & Sandberg, M. (1996). Maximum velocity of return flow close to the floor in a ventilated room - experimental and numerical results. . S. 263-272.
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Blomqvist, C. & Sandberg, M. (1996). To what extent can one with mechanical ventilation control the air motions within a building. ROOMVENT'96 : 5th International Conference on Air Distribution in Rooms.
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