Final Announcement
International Workshop
Ventilative Cooling : Need, Challenges and Solution Examples
Brussels, 19-20 March 2013
The objective of this workshop is to discuss how and when strategies for increased ventilation with outdoor air can reduce the cooling load while maintaining good indoor environmental quality. This includes:
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presentation of built examples to document the need and potential of ventilative cooling as well as the status of present approaches
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discussion and identification of the design challenges related to prediction and evaluation of the cooling need and the risk of overheating in high performance buildings
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presentation and discussion of perceived barriers and challenges in standards and existing building regulations for application of ventilative cooling
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presentation and discussion of new ideas and solutions
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Provisional programme
Tuesday 19 March 2013
13.00 – 14.00 Registration and sandwich lunch
14.00 – 14.30 Welcome to seminar
by venticool platform and by Operating Agent of ECBCS Annex 62
14.30 – 15.45 Ventilative Cooling Needs and Potential
Moderator discussion: Max Sherman, LBL, US
• Urban heat island, climate change and impact on ventilation for cooling, Maria Kolokotroni, Brunel University, UK
• Personal control over indoor climate and the use of operable windows in summer (Tuesday), Atze Boerstra,
Eindhoven University of Technology, Netherlands
• Ventilative cooling potential of outdoor air now and in the future, Per Heiselberg, Aalborg University, Denmark
15.45 – 16.00 Break
16.00 – 17.30 Ventilative Cooling in Buildings
Moderator discussion: Per Heiselberg, Aalborg University, Denmark
• Energy concept of a passive school in Heusden-Zolder, Joerie Alderweireldt, 3E, Belgium
• A ventilative cooling system in a School Building, Imola, Italy, Mario Grosso, Politecnico di Torino
• Passive Cooling with natural ventilation rate, a case study, Pier Nicola Currà, Archefice associati, Italy
• Examples of built naturally cooled buildings, Flourentzos Flourentzou, EPFL, Switzerland
19.00 Walking Dinner through Brussels
Wednesday 20 March 2013
09.00 – 10.00 Ventilative Cooling in Standards and Regulations
Moderator discussion: Rémi Carrié, INIVE, Belgium
• Ventilative cooling in relation to the CEN M/480 work, Jaap Hogeling
• Ventilative cooling in building regulations – Country reports by Anne Marie Bernard (France),
Karsten Duer (Denmark), Max Sherman (US), Maria Kolokotroni (UK), Bas Knoll (NL)
10.30 – 11.00 Break
11.00 – 12.30 Prediction of Cooling Need and Overheating Risk
Moderator discussion: Maria Kolokotroni, Brunel University, UK
• Challenges in the prediction of cooling need and overheating risk, Jan Hensen,
Eindhoven University of Technology, Netherlands
• Free Cooling is not Free, Jean Lebrun, Belgium
• Natural ventilation design tools, applications in commercial buildings, Stephen Ray, MIT, US
• Sensitivity of night cooling performance to room/system design: surrogate models based on CFD,
K. Goethals, Ghent University, Belgium
12.30 – 13.15 Lunch break
13.15 – 14.45 New Solutions and Technologies
Moderator discussion: Jan Hensen, Eindhoven University of Technology, Netherlands
• Ventilative cooling experiences by Renson: lessons learned and solutions, Ivan Pollet, Renson Ventilation, Belgium
• Application of PCM-related systems in the effective use of ventilative cooling, Baboo Gowreesunker,
Brunel University, UK
• Progress made in research and design of stratum ventilation, Zhang Lin, City University of Hong Kong, PR China
• New solution for modern passive cooling and heat redistribution, Bas Knoll, TNO, Netherlands
14.45 – 15.00 Break
15.00 – 15.45 Round table discussion with industry experts (EVIA, Velux, Naventa, WindowMaster, ES-SO, consultancy engineers)
Moderator: Peter Wouters
15.45 – 16.00 Closing session
Summary of workshop discussions and conclusions, Per Heiselberg, Aalborg University, Denmark
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