A multiscale analysis of urban
microclimate
Ir. Yasin Toparlar
Supervisors:
Prof. dr. ir. Bert Blocken (TU/e)
Dr. Bino Maiheu (VITO)
Prof. dr. ir. Gert-Jan van Heijst (TU/e)
Energy Research Meet
13 January 2017 / Eindhoven
High temperatures and cities
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Urban Heat Island (UHI)
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Indicates an urban area which is significantly warmer than its surrounding rural areas. 1
A representative temperature profile along the Paris metropolitan area
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2
16 January 2017
(Modified from nasa.gov)
American Meteorological Society
Energy Research Meet - Toparlar et al.
High temperatures and cities
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High temperatures in cities can affect
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Human morbidity and mortality
Building energy consumption
“By the year 2100, additional costs for cooling
are estimated around $130 billion/year, only
for the EU countries.” 2
Mortality and weekly temperature in the
Netherlands, during the 2003 heat wave 1
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2
3
16 January 2017
van Garssen et al. (2005)
The ClimateCOST (2011)
Energy Research Meet - Toparlar et al.
Climate modeling and building energy
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Computational analysis of urban microclimate and building energy demand
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Computational Fluid Dynamics (CFD)
• Numerical analysis of flow field
Building Energy Simulations (BES)
• Analysis of energy use of buildings
16 January 2017
Energy Research Meet - Toparlar et al.
Case study: Antwerp microclimate
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Central Antwerp
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A demonstration of the CFD approach
High resolution computational grid
The area of interest and the computational grid corresponding to the same region
(# of cells: 9,078,916)
Y. Toparlar et al. (2017) The effect of an urban park on the microclimate in its vicinity: a case study for Antwerp, Belgium. International Journal of
Climatology (submitted).
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16 January 2017
Energy Research Meet - Toparlar et al.
Case study: Antwerp microclimate
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Fairly good agreement with measurement data
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Average deviation: 0.9°C (air temperatures for 30 June 2013)
Contours of air temperature (°C) for 15:00.
Y. Toparlar et al. (2017) The effect of an urban park on the microclimate in its vicinity: a case study for Antwerp, Belgium. International Journal of
Climatology (submitted).
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16 January 2017
Energy Research Meet - Toparlar et al.
Energy in the built environment
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What is the effect of urban microclimate on building energy demand?
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How can we design and optimize urban microclimate?
16 January 2017
Energy Research Meet - Toparlar et al.
A multiscale analysis of urban
microclimate
Ir. Yasin Toparlar
e. [email protected]
Supervisors:
Prof. dr. ir. Bert Blocken (TU/e)
Dr. Bino Maiheu (VITO)
Prof. dr. ir. Gert-Jan van Heijst (TU/e)
Energy Research Meet
13 January 2017 / Eindhoven