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Bernard Thissen Energie Solaire SA 2005 SUSTAINABLE ROOM CONDITIONING WITH RADIANT PANELS Slide 2 Bernard Thissen Energie Solaire SA 2005 FULLY IRRIGATED FLAT HEAT EXCHANGERS Flow pattern Thermography Slide 3 Bernard Thissen Energie Solaire SA 2005 FLAT PLATE HEAT EXCHANGER APPLICATION RANGE Thermal solar absorber for glazed flat plate collectors Unglazed thermal solar collectors The ES Solar Roof Radiant panels for hydronic room conditioning Miscellanuous Slide 4 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS : SILENT ROOM CONDITIONING THROUGH RADIATION HEAT & COOL The functions of ventilation and thermal conditioning are seperated all-air systems Water as far more efficient thermal energy transport mode than air Considerable reduction of operating costs High fraction of heat transfer through radiation 65%, for a superior users comfort Low temperature gradient Low thermal inertia Use of heat sources at mild temperatures; ideal in combination with renewable energy sources (heat => solar energy, cold => ground water, ) Nespresso office building in Orbe (CH) Slide 5 Bernard Thissen Energie Solaire SA 2005 heat ENERGIE SOLAIRE RADIANT PANELS : EFFICIENCY CURVE cool Efficiency curve (W/m2) in function of x (K) = Tm Ta Tm = panel average temperature; Ta = ambient temperature X (K) = Tm Ta Slide 6 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS SUPERIOR COMFORT FOR OFFICE BUILDINGS UBS Bank (Freiburg CH) Dynagest office building (Geneva - CH) UBS Dynagest Slide 7 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS CONTROL OF FAST CHANGING THERMAL LOADS CCIG (Geneva CH) Conference room A.V.E. (Sion - CH) Centre de conference international Hence, radiant panels present no hasard for acoustic problems ! Slide 8 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS - PERFECTLY HYGIENIC ROOM CONDITIONING Hpital Mont Godinne (Yvoir - Belgium) Slide 9 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS - ACCURATE & SILENT TEMPERATURE CONTROL Laboratory of nanotechnology Lucent Technologies (Murray Hills - USA) EPFL Electron microscope laboratory (Lausanne - CH) Slide 10 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS - HEATING & COOLING OF DEFINED ZONES Centre dentretien Hertz (Roissy France) Alcan (Chippis CH) Slide 11 Bernard Thissen Energie Solaire SA 2005 RADIANT PANELS CLIMATE CONTROL FOR FOOD STORAGE Shopping centre COOP (Evolne CH) Cheese cellar of Mondralche (Ayent CH)