- Tytuł:
- Detection of damage to the power supply system of diesel engine under field conditions
- Autorzy:
-
Mazuruk, P.
Wojs, M. K.
Orliński, P.
Sikora, M. - Powiązania:
- https://bibliotekanauki.pl/articles/133242.pdf
- Data publikacji:
- 2017
- Wydawca:
- Polskie Towarzystwo Naukowe Silników Spalinowych
- Tematy:
-
acoustic emissions
common rail
combustion engine
injector diagnostic
emisja akustyczna
silnik spalinowy
diagnostyka wtryskiwaczy - Opis:
- Fuel injection system damages is a major problem for internal combustion engines. Approximately 70% of the injection system malfunction is due to injector damages. Authors of the article tested an unique method of diagnosis injectors by using an acoustic emission. The acoustic emission signal (EA) is a phenomenon used in various field of technology and it is a wave generated in solid materials. The EA signal was measured during operation of damaged and undamaged injectors body in a few series, analized and verified in term of result obtain in response signals. The relationship between the acoustic emission signal and the injectors operating phases has been determined. On base of coefficient variation of the duration in the third phase the value of which increases substantially when the injectors are damaged were found in ranges of 45%. For correct working injectors value of coefficient variation were found in range from 21% to 37%.
- Źródło:
-
Combustion Engines; 2017, 56, 3; 159-163
2300-9896
2658-1442 - Pojawia się w:
- Combustion Engines
- Dostawca treści:
- Biblioteka Nauki
Artykuł