Ghent University - UGent Department of Flow, Heat and Combustion Mechanics www.FloHeaCom.UGent.be Field Experience with the HVAC-System of the Flemish.

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Presentation transcript:

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics 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 Introduction Field study on the new building of the Flemisch Institute for Biotechnology (VIB)

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Building Lay Out & data 3 floors – 36 m wide 300 people m² 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 Patio N West Wing East Wing Main Building

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Energy Use

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Cooling system

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Measurements – January 2005

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Measurements – April-May 2005

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Measurements – April-May 2005

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Cooling system

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Free cooling - COP

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Free cooling – Plate Heat Exchanger

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics 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

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics Simulation of amelioration

Ghent University - UGent Department of Flow, Heat and Combustion Mechanics 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