20.500.12556/RUL-95525 Primerjava cevno-ploščnega in Roll bond uparjalnika v gospodinjskem hladilniku Comparison between plate-tube and Roll bond evaporator in household refrigerator Hladilnik je v gospodinjstvu naprava, ki ima eno največjih letnih rab električne energije, zato težimo k izboljšanju energetske učinkovitosti njegovih komponent. Obravnavali smo dve vrsti uparjalnika: cevno-ploščnega in Roll bond. Pri različnih temperaturah hladiva smo v stacionarnem stanju opazovali odveden toplotni tok iz uparjalnikov in ugotovili, da Roll bond odvede več toplote kot cevno-ploščni. S primerjavo meritev treh enakih uparjalnikov ene vrste smo ugotovili, da so odstopanja znotraj posamezne vrste majhna. Dokazali smo, da ventilator poveča prestop toplote med zrakom in notranjo plastično steno za okoli tretjino. Refrigerator is a household appliance which has one of the largest annual electricity consumptions, therefore we aim to improve energy efficience of its components. Two types of evaporators were discussed: plate-tube and Roll bond. At steady state and different entry temperatures of refrigerant, heat flow from evaporators was observed. Results show that more heat was removed with Roll bond than with plate-tube evaporator. Comparing results of three evaporators of same type showed that the deviations between them are small. It was proven that a fan increases convective heat transfer between air and inner plastic wall by about a third. cevno-ploščni uparjalnik Roll bond uparjalnik prenos toplote toplotna bilanca moč uparjalnika dinamični uparjalnik plate-tube evaporator Roll bond evaporator heat exchange heat balance performance of evaporator dynamic evaporator true false false Slovenski jezik Angleški jezik Diplomsko delo/naloga 2017-09-20 14:56:01 2017-09-20 14:56:01 2023-11-03 08:59:28 0000-00-00 00:00:00 2017 0 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 1970-01-01 201345 1155.pdf 1155.pdf 1 9916FD34EBB81A04C2D35F16C594E60B 6f544d3288058d1399b8078f3505ce019e1d176eb919f81fc3cd16ff88669d44 c705b7f8-a1b3-11eb-a523-00155dcfd717 20.500.12556/rul/f552b343-7b7c-42b5-9286-2b18ed1b2216 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=104130 Fakulteta za strojništvo 0 0 0