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Energy Futures - Sustainability - Built Environment

Smart Buildings


Natural resources integration

The Energy Division has worked together with the MIT Energy Initiative ( to produce a series of reports on the monetisation potential of Natural Gas for Cyprus.

Energy Systems modeling

Modelling systems is crucial in order to take decisions like supporting HVAC of a building with a Fresnel collector in order to reduce the dependency to fossil fuels/electricity. Simulations with models permit to size components to achieve objectives of energy reduction. The Cyprus Institute (CyI) leads simulations in solar energy fields at CFD level (Fluent, COMSOL, ANSYS) used for the PROTEAS facility and system level (EES, TRNSYS) used for STSMED project.

Solar cooling under STMED project was first designed using TRNSYS software suite. It started with the identification of the power units of the HVAC system of the Novel Technology Laboratory (NTL) such as heat-pump, chillers, fan coils units, heat recovery units, air handling units… Then each of these elements was implemented in the software model with their corresponding technical specifications. Integration of a new power unit on this previously implemented HVAC system, like a Fresnel collector for instance can be evaluated (Figure 1). The results permit to check the added value gained (energy consumption avoided, efficiencies…) even before taking the decision of installing a Fresnel collector (Figure 2).

Figure 1. Model of the Solar air-conditioning system at CyI under TRNSYS

solar air condi system

Figure 6. Energy balance, results from TRNSYS Simulation

energy balance results


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