Carmeliet

Contact

Dr. Jonas Allegrini
Scientist at Empa Research fellow & Lecturer at ETH Zürich
Multiscale Studies in Building Physics Chair of Building Physics
Überlandstrasse 129 Stefano-Franscini-Platz 1
8600 Dübendorf 8093 Zürich Hönggerberg
Switzerland Switzerland
Tel +41 (0)58 765 65 12
jonas.allegrini@empa.ch ajonas@ethz.ch

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Profile

Education & Employment

2014-present Scientist at Empa - Research fellow & Lecturer at ETH Zürich
2016-2017 Guest at The von Karman Institute for Fluid Dynamics
2013 Postdoctoral fellow at Laboratory for Multiscale Studies in Building Physics (Empa Dübendorf)
2009-2012 PhD at the Laboratory for Multiscale Studies in Building Physics (Empa Dübendorf) and Chair of Building Physics (ETH Zürich)
2009 Master in Mechanical Engineering (ETH Zürich)

Lectures

  • Bachelor course Bauphysik III: Energie & Komfort
  • Master course Building Physics IV: Urban physics
  • Master course Building Physics: Theory and Application
  • PhD schools 2015 and 2016: "Urban Physics"

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Projects

Running projects

  • Empa - MAMM
  • SNF - Heat removal
  • CCEM - SECURE
  • ETHZ Grant - Neighborhood Resolved Climate model for local heat island mitigation

Past projects

  • CCEM - UMEM
  • Climate-KIC - SUA
  • BFE - Urban climate and energy demand in buildings

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Research

Current research focus

  • Urban microclimate research with coupled BES-CFD simulations
  • Research in atmospheric boundary layer wind and water tunnels
  • Buoyancy driven flows in urban areas
  • Energy demand of buildings in urban areas

Research interests

  • Urban climate research
  • Urban physics
  • Multiscale modelling
  • Wind engineering
  • Computational Fluid Dynamics
  • Wind tunnel research

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Expertise

  • Computational fluid dynamics (RANS)
  • Building Energy Simulations (BES)
  • Coupled BES-CFD Simulations
  • Wind-tunnel experiments (PIV, CTA, LIF)

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Publications

Journal papers

19. PSIKUTA A, ALLEGRINI J, KOELBLEN B, Bogdan A, ANNAHEIM S, MARTINEZ N, DEROME D, CARMELIET J, ROSSI R: Thermal manikins controlled by human thermoregulation models for energy efficiency and thermal comfort research - a review. Renewable and Sustainable Energy Reviews, accepted, 2017
18. VONLANTHEN M, ALLEGRINI J, CARMELIET J: Multiscale Interaction Between a Cluster of Buildings and the ABL Developing Over a Real Terrain. Urban Climate, DOI: 10.1016/j.uclim.2017.02.009, 2017
17. ALLEGRINI J, Kubilay A: Wind sheltering effect of a small railway station shelter and its impact on wind comfort for passengers. Journal of Wind Engineering and Industrial Aerodynamics 164: 82-95, 2017
16. ALLEGRINI J, CARMELIET J: Simulations of local heat islands in Zürich with coupled CFD and building energy models. Urban Climate, DOI: 10.1016/j.uclim.2017.02.003, 2017
15. ALLEGRINI J, CARMELIET J: Evaluation of the Filtered Noise Turbulent Inflow Generation Method. Flow, Turbulence and Combustion 98 (4), 1087-1115, 2016
14. ALLEGRINI J, LOPEZ B: The influence of angular configuration of two buildings on the local wind climate. Journal of Wind Engineering and Industrial Aerodynamics 156: 50-61, 2016
13. ALLEGRINI J, DORER V, CARMELIET J: Impact of radiation exchange between buildings in urban street canyons on space cooling demands of buildings. Energy and Buildings 127: 1074-1084, 2016
12. VONLANTHEN M, ALLEGRINI J, CARMELIET J: Assessment of a One-way Nesting Procedure for Obstacle Resolved Large Eddy Simulation of the ABL. Computers and Fluids 140: 136-147, 2016
11. IMMER M, ALLEGRINI J, CARMELIET J: Time Resolved and Time Averaged Stereo-PIV Measurements of a Unit-Ratio Cavity. Experiments in Fluids 57 (6): 101, 2016
10. ALLEGRINI J, OREHOUNIG K, MAVROMATIDIS G, RUESCH F, DORER V, EVINS R: A review of modelling approaches and tools for the simulation of district-scale energy systems. Renewable and Sustainable Energy Reviews 52: 1391-1404, 2015
9. MOONEN P, ALLEGRINI J: Employing statistical model emulation as a surrogate for CFD. Environmental Modelling and Software 72: 77-91, 2015
8. ALLEGRINI J, DORER V, CARMELIET J: Coupled CFD, radiation and building energy model for studying heat fluxes in an urban environment with generic building configurations. Sustainable Cities and Society 19: 385-394, 2015
7. ALLEGRINI J, DORER V, CARMELIET J: Influence of morphologies on the microclimate in urban neighbourhoods. Journal of Wind Engineering and Industrial Aerodynamics 144: 108-117, 2015
6. ALLEGRINI J, DORER V, CARMELIET J: Buoyant flows in street canyons: Validation of CFD simulations with wind tunnel measurements. Building and Environment 72: 63-74, 2014
5. ALLEGRINI J, DORER V, CARMELIET J: Wind tunnel measurements of buoyant flows in street canyons. Building and Environment 59: 315-326, 2013
4. ALLEGRINI J, DORER V, CARMELIET J: Influence of the urban microclimate in street canyons on the energy demand for space cooling and heating of buildings. Energy and Buildings 55: 823-832, 2012
3. ALLEGRINI J, DORER V, CARMELIET J: Analysis of convective heat transfer at building façades in street canyons and its influence on the predictions of space cooling demand in buildings. Journal of Wind Engineering and Industrial Aerodynamics 104-106: 464-473, 2012
2. ALLEGRINI J, DORER V, CARMELIET J: An adaptive temperature wall function for mixed convective flows at exterior surfaces of buildings in street canyons. Building and Environment 49 (1): 55-66, 2012
1. ZOLLER BT, ALLEGRINI JM, MAAS U, JENNY P: PDF model for NO calculations with radiation and consistent NO-NO2 chemistry in non-premixed turbulent flames. Combustion and Flame 158 (8): 1591-1601, 2011

Conference proceedings and presentations

28. ALLEGRINI J, CARMELIET J: Coupled CFD, Radiation and Building Energy Model for Studying the Impact of Building Height Topology and Buoyancy on Local Heat Island Formation in Urban Environments. 97th AMS Annual Meeting, Seattle, USA, 2017
27. MUSSETTI G, Brunner D, HENNE S, SCHUBERT S, ALLEGRINI J, CARMELIET J: Impact of Model Resolution on Urban Heat Island Simulation evaluated using Surface and Satellite Observations. 97th AMS Annual Meeting, Seattle, USA, 2017
26. MANICKATHAN L, DEFRAEYE T, ALLEGRINI J, DEROME D, CARMELIET J: Conjugate Vegetation Model for Evaluating Evapotranspirative Cooling in Urban Environment. 97th AMS Annual Meeting, Seattle, USA, 2017
25. NEOPHYTOU M K-A, KUBILAY A, MARAKKOS C, ALLEGRINI J, MASENTIDES S, LOIZOU M, CARMELIET J: The Role Of Urban Street Canyon Geometry In The Pollutant Removal Capacity. 97th AMS Annual Meeting, Seattle, USA, 2017
24. VENUGOPALAN R, POH HJ, CHIU PH, KUBILAY A, ALLEGRINI J: Determination of Optimal Parameters for Wind Driven Rain CFD Simulation for Building Design in the Tropics. International High- Performance Built Environment Conference – A Sustainable Built Environment Conference 2016 Series (SBE16), iHBE 2016, Sydney, Australia, 2016.
23. MANICKATHAN L, DEFRAEYE T, ALLEGRINI J, DEROME D, CARMELIET J: Aerodynamic characterisation of model vegetation by wind tunnel Experiments. 4th International Conference on Countermeasures to Urban Heat Island, Singapore, 2016
22. ALLEGRINI J, CARMELIET J: Simulations of local heat islands in Zürich with coupled CFD and building energy models. 4th International Conference on Countermeasures to Urban Heat Island, Singapore, 2016
21. MUSSETTI G, BRUNNER D, HENNE S, ALLEGRINI J, WOUTERS H, SCHUBERT S, CARMELIET J: Impact of model resolution and urban parameterization on urban climate simulation: a case study for Zürich, COSMO/CLM/ART User Seminar 2016, Offenbach, Germany, 2016.
20. DEROME D, DEFRAEYE T, ALLEGRINI J, CARMELIET J: Integrating trees and vegetation in urban microclimate simulations: a multiscale approach. 8th Plant Biomechanics International Conference, Nagoya, Japan, 2015
19. CARMELIET J, ALLEGRINI J, DORER V, DEROME D: Microclimate Effects on Building Energy Use: a Methodological Approach. 14th Conference of the International Building Performance Simulation Association, Hyderabad, India, 2015
18. ALLEGRINI J, LOPEZ B: The influence of angular configuration of buildings on the local wind climate. PHYSMOD 2015, Zürich, Switzerland, 2015
17. VONLANTHEN M, ALLEGRINI J, CARMELIET J: Time Resolved Analysis of the Multiscale Interaction between a Convective Boundary Layer and fully immersed wall-mounted Cubes. PHYSMOD 2015, Zürich, Switzerland, 2015
16. IMMER M, ALLEGRINI J, CARMELIET J: Time Resolved Analysis of the Flow within a Shear-Driven Cavity. PHYSMOD 2015, Zürich, Switzerland, 2015
15. ALLEGRINI J, CARMELIET J: Coupled CFD, radiation and building energy model for studying heat fluxes in an urban environment. 14th International Conference on Wind Engineering, Porto Alegre, Brazil, 2015
14. EVINS R, ALLEGRINI J, MOONEN P: Emulating Site-Specific Wind Flow Information For Use In Building Energy Simulations. Building Simulation and Optimization Conference, London, England, 2014
13. ALLEGRINI J, DORER V, CARMELIET J: Influence of the morphology of urban neighbourhoods on the microclimate and energy demand of buildings. 6th International Symposium on Computational Wind Engineering, Hamburg, Germany, 2014
12. ALLEGRINI J, DORER V, CARMELIET J: Validation of CFD simulations with wind tunnel measurements for buoyant flows in street canyons. PHYSMOD 2013, Guildford, England, 2013
11. ALLEGRINI J, KÄMPF J, DORER V, CARMELIET J: Modelling the urban microclimate and its influence on building energy demand of and urban neighbourhood. CISBAT 2013, Lausanne, Switzerland, 2013
10. CARMELIET J, ALLEGRINI J, MOONEN P, SANEINEJAD S, DORER V: Urban energy and microclimate: Wind tunnel experiments and multiscale modeling. 13th Conference of the International Building Performance Simulation Association, Chambery, France, 2013
9. DORER V, ALLEGRINI J, OREHOUNIG K, MOONEN P, UPADHYAY G, KÄMPF J, CARMELIET J: Modelling the urban microclimate and its impact on the energy demand of buildings and building clusters. 13th Conference of the International Building Performance Simulation Association, Chambery, France, 2013
8. ALLEGRINI J, MOONEN P, SANEINEJAD S, DORER V, CARMELIET J: Urban Energy and Microclimate: Wind tunnel experiments and Multiscale modelling. 2nd CESBP, Vienna, Austria, 2013
7. ALLEGRINI J, DORER V, CARMELIET J: Urban street canyon microclimate impact on energy demand of buildings. 17. Status-Seminar, Zürich, Switzerland, 2012
6. ALLEGRINI J, DORER V, CARMELIET J: Impact of urban microclimate in street canyons on building cooling demand predictions. 8. International Conference on Urban Climates, Dublin, Ireland, 2012
5. DORER V, ALLEGRINI J, SANEINEJAD S, MOONEN P, CARMELIET J: Building Energy Demand and Urban Microclimate including Heat Island Effects and Evaporative Cooling. 5. International Building Physics Conference, Kyoto, Japan, 2012
4. ALLEGRINI J, DORER V, CARMELIET J: Influence of the urban microclimate on the energy demand of office buildings. CISBAT 11, Lausanne, Switzerland, 2011
3. ALLEGRINI J, DORER V, CARMELIET J: Buoyant Flow in a Street Canyon: Comparison of CFD Simulations and Wind Tunnel Measurements. PHYSMOD 2011, Hamburg, Germany, 2011
2. ALLEGRINI J, DORER V, CARMELIET J: Analysis of convective heat transfer at building facades in street canyons and its influence on the space cooling demand in buildings. 13. International Conference on Wind Engineering, Amsterdam, Netherlands, 2011
1. WILD MA, ZOLLER BT, ALLEGRINI J, JENNY P: Efficient NO Calculations in Turbulent Non-Premixed Flames Using PDF Methods. European Combustion Meeting 2009, Vienna, Austria, 2009

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