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The ATREUS Project

The ATREUS Project. Laboratory of Heat Transfer and Environmental Engineering. N. Moussiopoulos A. Papadopoulos, G. Camilleri. ATREUS Project overview.

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The ATREUS Project

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  1. The ATREUS Project Laboratory of Heat Transfer and Environmental Engineering N. Moussiopoulos A. Papadopoulos, G. Camilleri

  2. ATREUS Project overview • ATREUS (Advanced Tools for Rational Energy Use towards Sustainability with emphasis on microclimatic issues in urban applications) is a FP5 project operates in the framework of the European Commission Training and Mobility of Researchers Programme (HPRN) • The research topic for the network concerns the improvement ofthe present knowledge in the field of sustainable urban development • The micro-climatic environment around buildings is analyzed both with numerical models and wind tunnel measurements in order to optimize the HVAC systems • The effect of only a vertical heated face is being taking into account to simulate the influence of the sun heating • CFD model validation and intercomparison

  3. MM5 Lisbon-Athens-Hamburg-London UAVR Synoptical Scenarios UAVR, DNMI CFD (VADIS, MIMO, CHENSI, FLUENT) UAVR, LHTEE, ECN, UCAM Wind Tunnel experiments MIHU, UCAM Deterministic Statistical Building TNO, LHTEE Heat Disposal Solar Collectors HVAC System optimization The strategy

  4. Resulting activities in ATREUS • Optimise the design of the buildings with respect to energy consumption before construction • Improve the feasibility on the use of the renewable energy sources for the HVAC systems • Reduce the heat island effect • Evaluate the real energy budgets of the different part of the cities • Characterize the energy requirements of the city on a detailed area or weather conditions as a function of hourly meteorological information for a complete year • Develop optimal methods for forecasting wind in complex topography and street geometry • Develop and assess the appropriate numerical modelling methods to evaluate the actual heat exchanges between the buildings and the atmosphere

  5. Interesting links • PICADA: is a FP5 project aiming at the investigation of the de-soiling and the de-polluting ability of photo catalytic material used in cement or plasters. • FUMAPEX: is a research project funded by EU aimed to improve systems for forecasting air quality in European cities and exploit satellite data for snow information

  6. Link between ATREUS and PICADA (1/5)

  7. Link between ATREUS and PICADA (2/5)

  8. Link between ATREUS and PICADA (3/5) Top view of the flow field around the proposed experimental street canyon configuration used for the PICADA joint European project.

  9. Link between ATREUS and PICADA (4/5) • Preliminary 2D simulations with MIMO show that the de-pollution effectiveness depends strongly on • surface activity (represented by a deposition velocity) • aspect ratio (being decisive for the residence time). • For a square canyon (aspect ratio1.0) and normal surface activity about 8% of the emitted NOx appears being deposited, this percentage being almost a linear function of the assumed deposition velocity. • For a deep canyon (aspect ratio0.4) these figures may increase by a factor of 3-5.

  10. Link between ATREUS and PICADA (5/5)

  11. In – street canyon measurements equipment placed here (Both tests) Non treated tests Non - treated surfaces TiO2 treated surfaces Background measurements & meteorological equipment placed here The Guerville street canyon experiment (PICADA project)

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