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Title:Določanje točke popolne zamrznitve materiala
Authors:ID Sarjaš, Andreas (Author)
ID Zadravec, Matej (Mentor) More about this mentor... New window
ID Bombek, Gorazd (Comentor)
Files:.pdf UN_Sarjas_Andreas_2017.pdf (6,72 MB)
MD5: 6FE3839BF70886E6A289F6193727F690
PID: 20.500.12556/dkum/08485f62-c9d1-4d19-b078-b72bdf2347c4
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V diplomski nalogi je obravnavano določanje točke popolne zamrznitve materiala pri procesu liofilizacije. Točka popolne zamrznitve materiala je trenutek, v katerem vsa snov preide iz tekočega v trdno stanje. Spremljanje poteka zamrzovanja in določitev časa zamrzovanja sta izvedena s pomočjo meritve električne upornosti, meritve temperature in spremljanja zvočnih emisij. Meritev upornosti je izvedena z izmeničnim napajanjem bakrenih elektrod, meritev temperature pa s pomočjo objemnega termoelementa. Zvočne emisije so zajete s pomočjo dveh mikrofonov. Vse meritve so povezane v celoto s pomočjo programske opreme NI LabVIEW. Iz narisanih potekov merjenih veličin v odvisnosti od časa je določen čas popolne zamrznitve materiala.
Keywords:Zamrzovanje, liofilizacija, merjenje temperature, spremljanje električne upornosti, zajemanje zvoka z mikrofonom, LabVIEW.
Place of publishing:Maribor
Publisher:[A. Sarjaš]
Year of publishing:2017
PID:20.500.12556/DKUM-67257 New window
UDC:57.086.13:534.833.52(043.2)
COBISS.SI-ID:21114390 New window
NUK URN:URN:SI:UM:DK:QHKKYSDV
Publication date in DKUM:05.09.2017
Views:1523
Downloads:310
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
:
SARJAŠ, Andreas, 2017, Določanje točke popolne zamrznitve materiala [online]. Bachelor’s thesis. Maribor : A. Sarjaš. [Accessed 1 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=67257
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:08.08.2017

Secondary language

Language:English
Title:Determination of substance total freezing point
Abstract:This diploma deals with determination of substance total freezing point in lyophilisation process. Substance total freezing point is a moment, when all substance entirely freezes and are all parts of substance in solid state. Observation of freezing process is done with electrical resistance measurement, temperature measurement and ice cracking sound measurement. Electrical resistance measurement is carried out with two copper electrodes, temperature measurement with circumferential thermocouple and sound measurement with two microphones. Measurements were programmed in NI LabVIEW. Total freezing point time can be determined out of measured quantities versus time plots.
Keywords:Freezing, lyophilisation, temperature measurement, electrical resistance observation, ice cracking sound monitoring, LabVIEW.


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