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Degradation of hydraulic system due to wear particles or medium test dust
ID
Novak, Nejc
(
Author
),
ID
Trajkovski, Ana
(
Author
),
ID
Kalin, Mitjan
(
Author
),
ID
Majdič, Franc
(
Author
)
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MD5: 9C8EFD4EF131E1CC24A4E3BB328B780A
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https://www.mdpi.com/2076-3417/13/13/7777
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Abstract
Contamination in hydraulic systems is the cause of 70% of failures. This study highlights the performance degradation caused by solid particle contamination of hydraulic components: hydraulic gear pump, 4/3 valve, and orbital motor. Experimental durability tests of components with wear particles and test dust are used to investigate the effects of accelerated wear caused by these two types of contaminants. Results show that oil contaminated with wear particles reduces the volumetric efficiency of the gear pump by 18% and the hydraulic valve by only 0.8%, while oil contaminated with test dust reduces the efficiency of the pump by 76% and the hydraulic valve by 0.9%. This research provides insights for accelerating hydraulic component testing to improve system reliability and longevity.
Language:
English
Keywords:
hydraulic system
,
oil cleanliness
,
gear pumps
,
directional 4/3 valves
,
orbital motors
,
wear
,
internal leakage
,
volumetric efficiency
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2023
Number of pages:
20 str.
Numbering:
Vol. 13, iss. 13, art. 7777
PID:
20.500.12556/RUL-147626
UDC:
621.22
ISSN on article:
2076-3417
DOI:
10.3390/app13137777
COBISS.SI-ID:
158275843
Publication date in RUL:
10.07.2023
Views:
515
Downloads:
50
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Record is a part of a journal
Title:
Applied sciences
Shortened title:
Appl. sci.
Publisher:
MDPI
ISSN:
2076-3417
COBISS.SI-ID:
522979353
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Secondary language
Language:
Slovenian
Keywords:
hidravlični sistem
,
čistost olja
,
zobniške črpalke
,
smerni ventili 4/3
,
orbitalni motorji
,
obraba
,
notranje puščanje
,
volumski izkoristek
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0231
Name:
Tribologija
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