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Field Experience with the HVAC-System of the Flemish Institute for Biotechnology Building at the Ghent University

Field Experience with the HVAC-System of the Flemish Institute for Biotechnology Building at the Ghent University. M. De Paepe, B. Raeymaekers, Ch. T’Joen. Introduction. Field study on the new building of the Flemisch Institute for Biotechnology (VIB). West Wing. East Wing. Patio.

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Field Experience with the HVAC-System of the Flemish Institute for Biotechnology Building at the Ghent University

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  1. Field Experience with the HVAC-System of the Flemish Institute for Biotechnology Building at the Ghent University M. De Paepe, B. Raeymaekers, Ch. T’Joen Ghent University - UGent Department of Flow, Heat and Combustion Mechanics www.FloHeaCom.UGent.be

  2. Introduction • Field study on the new building of the Flemisch Institute for Biotechnology (VIB)

  3. West Wing East Wing Patio Main Building N Building Lay Out & data • 3 floors – 36 m wide • 300 people • 13000 m² - 8000 m² laboratories • HVAC system : • summer 18°C/>30% • winter 21.5°C/>30% • Heating : condensing boilers (gas) • Cooling : two screw compressor machines • Humidification : vapor injection, gas fired boiler

  4. Energy Use - 2004

  5. Cooling system

  6. Measurements – January 2005

  7. Measurements – April-May 2005

  8. Measurements – April-May 2005

  9. Cooling system

  10. Free cooling - COP

  11. Free cooling – Plate Heat Exchanger

  12. Free cooling – Design errors • Plate heat exchanger : • design 1307 kW • operation 200 kW • Effectiveness : 0.37 • Ice water temperature : design 4 °C • operation 1°C • Use of large cooling tower : high fan and pumping power

  13. Simulation of amelioration

  14. Conclusion • Measurement campaign on high technology laboratory building • Part load – Full load • Free cooling system, low performance • Changes in the design could give bether performance • Future : follow up of changes

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