Problems of airflow in the open air space between double skin roofs of passive objects

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F75081431%3A_____%2F17%3A00001132" target="_blank" >RIV/75081431:_____/17:00001132 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Problems of airflow in the open air space between double skin roofs of passive objects
Original language description
This contribution deals with the verification of airflow in the real air gap of an insulated roof deck with a pitched roof. The designed construction of the roof meets the thermal technical requirements for an energy passive house. The aim of this contribution is a comparison of experimentally measured values with values obtained through a computer simulation. Double skin ventilated roof structures operate on the principle of the removal of moisture vapour by the flow of air. The flow of air is generated by the difference in the density of the air gap. The air gap is created by the warming of the air from the interior, radiation from the night sky and the influence of the external flow of air. The most striking was the first factor, which is significantly reduced with increasing thicknesses of thermal insulation. This raises the issue whether the air flow in passive insulated roof cladding is sufficient for the removal of moisture from a construction, and how it affects the functioning thereof.
Czech name
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Czech description
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Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
17th International Multidisciplinary Scientific GeoConference
ISBN
9786197408133
ISSN
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e-ISSN
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Number of pages
13
Pages from-to
367-374
Publisher name
STEF92 TECHNOLOGY LTD
Place of publication
Sofia (Bulharsko)
Event location
Albena
Event date
May 29, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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