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Influence of Membrane on Airflow in Historical Attic Spaces: The First Principles Study Using CFD Models
Poljak, Michal ; Ponechal, Radoslav ; Krušinský, Peter
This paper conducts an initial analysis of the impact of a vapour permeable membrane on airflow within triangular attic spaces, resembling the shape and dimensions of medieval sanctuaries found in historical rural churches in our region. The first principles study, using Computational Fluid Dynamics (CFD) based on the simulation models, aims to identify potential challenges and research directions regarding how the application of this membrane may affect the microclimatic conditions in the attic spaces and the durability of the historical timber trusses. One significant outcome of the study reveals that on a simulated extremely hot summer day, the application of the vapour permeable membrane reduced airflow by 10 to 15 per cent, thus affecting the overall microclimate in the attic.
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Energy evaluation of apartment building's attic space
Sluka, Marek ; Dvořáková, Hana (referee) ; Rubina, Aleš (advisor)
The bachelor thesis deals with energy evaluation of apartment building’s attic space at Křenová Street in Brno. The results will be compared with energy consumption values, measured during the last years. The main task is to suggest a more energy efficient solution to the evaluated space. Refrigerants for compression cooling system will be described in the theoretical part of the thesis and, as a result, a refrigerant for the optimized solution will be specified.
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Energy evaluation of apartment building's attic space
Sluka, Marek ; Dvořáková, Hana (referee) ; Rubina, Aleš (advisor)
The bachelor thesis deals with energy evaluation of apartment building’s attic space at Křenová Street in Brno. The results will be compared with energy consumption values, measured during the last years. The main task is to suggest a more energy efficient solution to the evaluated space. Refrigerants for compression cooling system will be described in the theoretical part of the thesis and, as a result, a refrigerant for the optimized solution will be specified.
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