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Diploma and Master Thesis

OVERHEATING REDUCTION OF BUILDINGS BY INTRODUCING THE ACTIVE-PASSIVE BUILDING SYSTEJM (ANSYS FLUENT)

One of the consequences of global warming is also an overheating of buildings which reflects in increase of ambient temperatures. In order reduce the energy needed for cooling, passive technologies accumulating the excess heat from the space by changing their phase are introduced. Phase change materials (PCM) can be applied on the external wall. However, due to material properties, there is a risk that the material without nighttime ventilation would not successfully discharge and released it latent heat. To enhance the performance/discharge the material completely, a strategy for air based active PCM is proposed called ‘ventilated layer’. The parametrical analysis of the ventilated layer (air velocity, flowrate, inlet diffusor, geometry of the system) will be studied with ANSYS Fluent.

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