20.500.12556/RUL-182914 Določitev toplotne moči ogrevala Determination of heating output of a radiator Diplomsko delo obravnava določitev toplotne moči ogrevala na podlagi standarda EN 442. V teoretičnem delu so predstavljeni osnovni mehanizmi prenosa toplote, klasifikacija ogrevalnih naprav ter postopki določanja toplotne moči ogreval. V eksperimentalnem delu je bila zasnovana merilna linija, na kateri so bile izvedene meritve temperature in pretoka vode za izračun toplotnega toka pri različnih obratovalnih pogojih. Na podlagi izmerjenih podatkov je bila določena karakteristična enačba ogrevala ter njegova nazivna toplotna moč. Zaradi nestandardnih pogojev je bila izvedena tudi računska korekcija rezultatov. Rezultati so pokazali, da je izmerjena moč nekoliko nižja od referenčne vrednosti iz akreditiranega laboratorija, kar je posledica nestandardnih merilnih pogojev. This thesis deals with the determination of the heat output of a radiator according to the EN 442 standard. The theoretical part presents the fundamental mechanisms of heat transfer, classification of heating devices and methods for determining the heat output of heating devices. In the experimental part, a test setup was designed, and measurements of water temperature and flow rate were performed to calculate the heat flux at different operational conditions. Based on the measured data, the characteristic equation of the radiator and its nominal heat output were determined. Due to non-standard conditions, a calculated correction of the results was also performed. The results show that the measured heat output is slightly lower than the reference value obtained in an accredited laboratory, mainly due to non-standard experimental conditions. toplotna moč ogrevala prenos toplote EN 442 karakteristična enačba heat output radiators heat transfer EN 442 characteristic equation true false false [Š. Bajt] Slovenski jezik Angleški jezik Diplomsko delo/naloga 2026-05-28 08:31:34 2026-05-28 08:31:41 2026-06-01 13:32:06 0000-00-00 00:00:00 2026 0 Ljubljana 0 XX, 44 str. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 536.2:697.35(043.2) 285657 280020227 46975.pdf 46975.pdf 1 4313474A1DEFF2D370B802A73A54DB7C a9db1d5609fb7463d73cae699b0418386eb0c2aea204163e2fda29ae826f0d3f 8dcae425-5a5e-11f1-b0ab-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=234567 Fakulteta za strojništvo 0 0 0