Green building and urban planning
NEW SOLUTIONS TO :
– Reduce energy costs thanks to natural ventilation.
– Respect environment thanks to wind and solar resource.
– Bring more quality to outdoor living spaces through studies of climate comfort.
For example, for a site study of DISCOMFORT FRECUENCIES
– Mappings of wind speed-up for prevailing wind directions at the pedestrian height (1.5 m above the ground).
– Mappings of frequencies of the gust speeds exceeding the speed of 3,6m/s at the pedestrian height (1.5 m above the ground).
To improve the projects according to the outdoor pedestrian comfort
NUMERICAL MODELLING OF THE URBAN CLIMATE
Example 1 :REHABILITATION OF DISTRICTS
Initial state
Project
AERIAL VIEW OF THE SITE
ENVIRONMENT CONSIDERED
Initial state
Project
BURST ACCELERATION COEFFICIENTS
Initial state
Project
FREQUENCIES OF PEDESTRIAN DISCOMFORT
Initial state
Project
WIND PROTECTIONS
Before protection After protection
WIND PROTECTIONS
Before protection After protection
Marche rapide Marche normale Debout Assis
France (CSTB) F(V>3.6) < 20 % F(V>3.6) < 10 % F(V>3.6) < 5 % F(V>3.6) < 5 %
Brisk walking Normal walking Standing Seated
SYNTHESIS
Marche rapide Marche normale Debout Assis
France (CSTB) F(V>3.6) < 20 % F(V>3.6) < 10 % F(V>3.6) < 5 % F(V>3.6) < 5 %
Rehabilitation of a former elementary school
Rehabilitation of exteriors spaces
Demolition of the towers and construction of small height building.
Creation of an esplanade in the heart of the district
Creation of a playground
Brisk walking Normal walking Standing Seated
EXAMPLE 2 :NEW BUILDING
UrbaWind CFD simulations
©
Block B3A of ZAC Paris Rive gauche
Owner: IVANHOE CAMBRIDGE - HINES France
Architect: Atelier Jean NOUVEL
EXAMPLE 2 :NEW BUILDING
Winter Summer
FREQUENCIES OF PEDESTRIAN DISCOMFORT
