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International Hellenic University (2015)

Effective ventilation strategies for Net Zero Energy buildings in hot climates

Grigoropoulos, Evangelos

Titre : Effective ventilation strategies for Net Zero Energy buildings in hot climates

Auteur : Grigoropoulos, Evangelos

Université de soutenance : International Hellenic University

Grade : Master of Science (MSc) in Energy Systems 2015

Résumé
The main objective of the thesis is to investigate the impact of different ventilation strategies that can be implemented in new and existing buildings in hot climates and specifically under climatic conditions prevailing in the Mediterranean Region. In the context of the study, a reference building model has been developed and its energy performance has been evaluated. The model incorporates features proposed by design frameworks for net zero energy buildings. Α base case ventilation scenario has been defined as well. Different variants of the base case ventilation scenario have been simulated and the impact of each one on the cooling energy demand, overall energy consumption and indoor temperature was evaluated. The interaction of ventilation with buildings’ construction parameters (thermal mass, heat transfer coefficients) has been also assessed. The requirements for energy generation from RES induced by each scenario have been identified and the feasibility of the net zero energy balance was tested.

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