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Revision of the mechanisms behind oil-water (O/W) emulsion preparation by ultrasound and cavitation
ID
Stepišnik Perdih, Tadej
(
Avtor
),
ID
Zupanc, Mojca
(
Avtor
),
ID
Dular, Matevž
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(7,06 MB)
MD5: 63D0FC5F7E261630F52321329FD39898
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S1350417718309179
Galerija slik
Izvleček
Today emulsion preparation is receiving a lot of scientific attention, since emulsions are playing an essential role in many of the big industries, such as food, pharmaceutical or cosmetic industry. One of the most promising techniques for emulsion preparation is ultrasound emulsification. The purpose of this study is to expand the knowledge on the ultrasonically assisted emulsification model, that has not been amended since 1978. The model explains that oil-in-water emulsion formation is a two-step process. Firstly, the surface of the oil phase is disturbed and separated by the acoustic waves. Secondly, cavitation implosions further disrupt and disperse oil drops. We have used a high-speed camera to closely observe oil-in-water emulsion formation. The images show, that the ultrasound emulsification process is profoundly more complex. While the first and the last step of emulsion formation are the same as believed until now, additional intermediate stages of water-in-oil and even oil-in-water-in-oil occur.
Jezik:
Angleški jezik
Ključne besede:
ultrasound
,
emulsion
,
emulsification
,
oil-water
,
cavitation mechanism
,
high-speed visualization
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FS - Fakulteta za strojništvo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2019
Št. strani:
Str. 298-304
Številčenje:
Vol. 51
PID:
20.500.12556/RUL-126375
UDK:
532.528(045)
ISSN pri članku:
1350-4177
DOI:
10.1016/j.ultsonch.2018.10.003
COBISS.SI-ID:
16342299
Datum objave v RUL:
19.04.2021
Število ogledov:
1028
Število prenosov:
270
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Ultrasonics Sonochemistry
Skrajšan naslov:
Ultrason. sonochem.
Založnik:
Butterworth-Heinemann, Elsevier Science
ISSN:
1350-4177
COBISS.SI-ID:
707668
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Začetek licenciranja:
19.04.2021
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
kavitacija
,
emulzija
,
mehurčki
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P2-0401
Naslov:
Energetsko strojništvo
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
BI-US/18-19-031
Naslov:
The physics of ultrasonic production of (nano)emulsions
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