diplomska naloga
Eva Zavrl (Avtor), Mitja Košir (Mentor), Janko Logar (Član komisije za zagovor), Drago Saje (Član komisije za zagovor), Živa Kristl (Komentor)

Povzetek

Zaradi vedno strožjih zahtev po zagotovitvi nizke porabe energije v objektih, je v potrebno zagotoviti stavbne ovoje s čim boljšimi karakteristikami toplotnega prehoda. To pomeni, da morajo konstrukcijski sklopi čim bolje omejiti prehod toplote iz notranjega prostora do zunanjega in obratno. Prehod toplote skozi sklop lahko določimo z izračunom toplotne prehodnosti skozi konstrukcijski sklop. Znani sta enodimenzionalna (1D) metoda in dvodimenzionalna (2D) metoda, ki jih opisujeta standarda SIST EN ISO 6946 in SIST EN ISO 10211. V praksi sta načeloma uporabljani obe, a je zakonsko predpisana uporaba 1D metode pogostejša. V tem diplomskem delu bom predstavila primerjavo med tema metodama. Za izračun toplotne prehodnosti po 1D metodi je uporabljeno programsko orodje TEDI za izračun toplotne prehodnosti po 2D metodi pa program THERM. Z vsakim od programov je bila izračunana toplotna prehodnost sedmih izbranih konstrukcijskih sklopov. Izkazalo se je, da so si rezultati toplotne prehodnosti konstrukcijskih sklopov izračunani po 1D metodi in 2D metodi različni. Rezultati izračunani po 2D metodi so v splošnem večji od rezultatov pridobljenih z 1D metodo. To pomeni, da 1D metoda ni najbolj zanesljiva.

Ključne besede

gradbeništvo;diplomska dela;UNI;B-GR;toplotna prehodnost;prehod toplote;enodimenzionalna metoda;dvodimenzionalna metoda;konstrukcijski sklop;

Podatki

Jezik: Slovenski jezik
Leto izida:
Tipologija: 2.11 - Diplomsko delo
Organizacija: UL FGG - Fakulteta za gradbeništvo in geodezijo
Založnik: [E. Zavrl]
UDK: 699.86(043.2)
COBISS: 6825569 Povezava se bo odprla v novem oknu
Št. ogledov: 2256
Št. prenosov: 490
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Angleški jezik
Sekundarni naslov: Thermal flux through structural complexes - comparison of one dimensional and two dimensional calculation
Sekundarni povzetek: Due to strict governmental regulations of high energy performance buildings, sufficient thermal characteristics of building’s envelope must be reached. This reflects in low U values of structural complexes. Thermal transmittance through the complex should be as low as possible. Heat transfer through the structural complex depends on the calculated U value. U value can be determined by onedimensional (1D) and two-dimensional (2D) calculation method described in European standards SIST EN ISO 6946 and SIST EN ISO 10211. In practice both methods are used, although the use of 1D method is much more frequent, as it is obligatory by regulations. In this graduation thesis the comparison of 1D and 2D method is presented. For the calculation of U value by 1D method computer software TEDI is used, while for the calculation of U value by 2D method computer software THERM is used. Both listed software were used for calculation of U value of seven different structural complexes. The comparison of 1D and 2D method is based on results obtained by the above mentioned tools. The results calculated by 1D method were different from results calculated by 2D method. In general results collected by 2D method presented larger U values. This shows that 1D method is not reliable.
Sekundarne ključne besede: graduation thesis;civil engineering;thermal transmittance;thermal flux;one dimensional method;two dimensional method;structural complex;
Vrsta datoteke: application/pdf
Vrsta dela (COBISS): Diplomsko delo/naloga
Komentar na gradivo: Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Strani: XVI, 35 str., 3 pril
ID: 8708322