Assessment of underfloor ventilation of historic buildings using ANSYS CFX

• Autorzy: Rencko T. , Sedlakova A.

Warianty tytułu

PL

Ocena podłogowego systemu wentylacji w budynkach historycznych przy użyciu programu ANSYS

• Języki publikacji: EN

Abstrakty

EN

Concepts of remedial treatments of historic buildings using ventilated floors, with a few exceptions, are with considerable popularity preferred by the representatives of monument protection. The fact that they require small interventions in the masonry is of great benefit for compliance with the methodology of cultural heritage protection, as is the fact that such interventions do not compromise the structural analysis of buildings. These concepts have gained great popularity also because they can be considered kind of a "return" to historical example. With these technologies we return to the methods and principles that the ancient Egyptians were already familiar with. The paradox is that these methods are used for many centuries, until today they are only proposed on the basis of empiricism. There is no proven relationship and calculation nor any literature that would address the airflow in floors, ventilation ducts and galleries around the base building construction. The remaining problem is the draft of air cavities in general. The exact calculation of airflow in the underfloor cavity has not yet been formulated. To assessment the airflow in the air cavity the recently often used CFD simulations can be employed. Using simulation, respective design cycles, which shall be ultimately verified by laboratory experiments and also by in situ measurements, may be accelerated.

PL

Celem artykułu jest zwrócenie uwagi na możliwości zastosowania komputerowych programów symulacyjnych (CFD) do oceny przepływu powietrza we wnękach podłogowych. Przy zastosowaniu prostych modeli geometrycznych można potwierdzić lub odrzucić proponowane rozwiązanie.

Słowa kluczowe

EN

underfloor ventilation; historical buildings; ANSYS CFX

PL

podłogowy system wentylacji; budynki historyczne; ANSYS CFX

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Budownictwo o Zoptymalizowanym Potencjale Energetycznym
• Rocznik: 2013
• Tom: nr 1(11)
• Strony: 98--106
• Opis fizyczny: Bibliogr. 11 poz., rys., wykr.

Twórcy

autor

Rencko T.

• Technical University of Kosice, Slovakia

autor

Sedlakova A.

• Technical University of Kosice, Slovakia

Bibliografia

• 1.Nic M., Sojkova V., Documentation of building research by fotogrammetry, Visnik Nacionaľnovo universiteta Ľvivskaja Politechnika 2013, 756, 176-184.
• 2.Bjorling M., Stymne H., Boman C.A., The Indoor Climate of a Naturally Ventilated Church, Proceedings of Healthy Buildings 2009.
• 3.Arumagi E., Kalamees T., Brostrom T., Indoor climate in a naturally ventilated unheated medieval church in Harju-Risti, Estonia, 10th REHVA World Congress Clima, Turkey 2010.
• 4.Kalousek M., Sikula O., CFD simulation of ventilated air cavity, Building Simulation and Environmental Engineering, 5th conference, Czech Republic 2008.
• 5.Frossel F., Masonry Drying and Cellar Rehabilitation, Germany 2007.
• 6.Young D., Salt attack and rising damp, A guide to salt damp in historic and older buildings, Australian 2008.
• 7.STN 73 0540-2. Thermal performance of buildings and components. Thermal protection of buildings. Part 2: Functional requirements, Slovak Republic 2002.
• 8.STN 73 0540-3. Thermal performance of buildings and components. Thermal protection of buildings. Part 3: Properties of environments and building products. Slovak Republic 2002.
• 9.STN EN ISO 13790/NA. Energy performance of buildings. Calculation of energy use for space heating and cooling. 2010.
• 10.STN EN ISO 10211. Thermal bridges in building construction. Heat flows and surface temperatures. Detailed calculations. 2008.
• 11.ANSYS Inc. CFX 12.1. Tutorials, Ansys CFX, Release 12.1.