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Ugotavljanje dejanskega temperaturnega obnašanja vzorcev v klimatskih komorah
RANT, ERIK (Author), Bojkovski, Jovan (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomski nalogi smo preučili termične lastnosti komore in standardnih vzorcev. S pomočjo programskega okolja LabView smo izdelali avtomatski sistem, ki omogoča krmiljenje komore, shranjevanje podatkov v tekstovno datoteko in prikaz podatkov. Hkrati smo po dokumentaciji izdelali gonilnik, ki deluje v ozadju glavnega programa. Program smo uporabili za izvajanje testov na standardnih vzorcih. Izdelali ali pridobili smo standardne vzorce: medeninasti valj, večji pločevinki in tri kocke s stranico 10 cm, 20 cm in 30 cm. S programiranim spreminjanjem temperature in cikliranjem smo vzorce izpostavljali temperaturnim spremembam in merili temperaturo v različnih točkah predmetov s pomočjo termoparov in sonde PT100. Tako smo odzive modelirali glede na stopničasto spremembo in opazovali obnašanje temperature zraka komore in vzorca. Podali smo komentar k meritvam ter slike modelov in meritev s pripadajočimi pogreški ter predlagali različne modele odzivov. Ključne besede:

Language:Slovenian
Keywords:staranje, klimatska komora, prehodni pojav, temperaturna karakteristika, termopar, LabView
Work type:Undergraduate thesis (m5)
Organization:FE - Faculty of Electrical Engineering
Year:2014
Views:605
Downloads:345
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Secondary language

Language:English
Title:Determining the actual temperature behavior of different samples in the climatic chambers
Abstract:
In this thesis, we study the thermal properties of the chamber and standard samples. Using LabView programming environment we have developed an automated system that allows control of the chamber, storing data in a text file, displaying data. We also made driver that runs in the background of the main program. The program was used to carry out tests on standard samples. Created or obtained were standard samples: brass cylinder, larger cans and three wooden cubes: 10cm, 20cm and 30cm. By changing the programmed temperature, samples were exposed to temperature changes and measured at different points of an object with thermocouples and PT100 probe. Thus, we modeled the responses with respect to the step change and observe the behavior of the air temperature and the sample chamber. We made a comment to the measurements, graphs of models and measurements associated errors and proposed different models of responses.

Keywords:aging, climate chamber, transient phenomena, temperature characteristics, thermocouple, LabView

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