Identification of damages in the inlet air duct of a diesel engine based on exhaust gas temperature measurements - Publication - Bridge of Knowledge

Search

Identification of damages in the inlet air duct of a diesel engine based on exhaust gas temperature measurements

Abstract

The temperature of the exhaust gas of a diesel piston engine, measured in the characteristic control sections of its thermo-flow system, can be a valuable source of diagnostic information about the technical condition of the elements limiting the working spaces thus separated, including the turbocharging system, but also its fuel supply system and replacement of the medium. In standard marine engine measurement systems equipped with an impulse turbocharging system, the exhaust gas temperature is measured at the outlet of individual cylinders and before and after the turbocharger turbine, using traditional thermocouples with high measurement inertia (time constant of tenths of a second and more). This means that for further diagnostic analyses, the average value of the periodically changing temperature of the exhaust stream leaving individual engine cylinders, the exhaust stream in the collective duct feeding the turbine and the exhaust stream in the exhaust duct of the turbine is used. This article proposes a new approach to the issue of diagnostic informationiveness of the exhaust gas temperature of a diesel engine, extending its observations with the dynamics of changes in the duration of one working cycle. The aim of the tests carried out on the laboratory stand of Farymann Diesel engine type D10 was to determine the diagnostic relations between the loss of permeability of the inlet air channel filter baffle and selected standards of the quick-changing signal of the exhaust gas temperature. On the basis of the calculations carried out, the following dynamic features of the recorded signal were determined: maximum amplitude of instantaneous exhaust gas temperature values (peak-to-peak value), its rate of increase and decrease, and the specific enthalpy of exhaust gases within one engine work cycle. Comparative analysis of numerical data characterizing the recorded quick-changing exhaust gas temperature courses clearly indicates obvious thermodynamic and energy consequences of partial loss of flow capacity of the air channel supplying the combustion chamber of the test engine. A further development of the experimental test programme is foreseen in order to determine a diagnostic matrix to support the diagnostic inference about the technical condition of the diesel engine on the basis of measurements and analysis of the quick-changing exhaust gas temperature.

Citations

  • 1

    CrossRef

  • 0

    Web of Science

  • 0

    Scopus

Cite as

Full text

download paper
downloaded 114 times
Publication version
Accepted or Published Version
License
Creative Commons: CC-BY-NC open in new tab

Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Combustion Engines no. 177, pages 108 - 112,
ISSN: 2300-9896
Language:
English
Publication year:
2019
Bibliographic description:
Puzdrowska P.: Identification of damages in the inlet air duct of a diesel engine based on exhaust gas temperature measurements// Combustion Engines. -Vol. 177., iss. 2 (2019), s.108-112
DOI:
Digital Object Identifier (open in new tab) 10.19206/ce-2019-219
Bibliography: test
  1. BROWN, C., KEE, R.J., IRWIN, G.W. et al. Identification applied to dual sensor transient temperature measurement. UKACC Int. Control Conference. Manchester 2008.
  2. JAREMKIEWICZ, M. Odwrotne zagadnienia wymiany ciepła, występujące w pomiarach nieustalonej temperatury płynów. Rozprawa doktorska. Wydawnictwo Politechniki Krakowskiej. Kraków 2011.
  3. JAREMKIEWICZ, M., TALER, J. Inverse determination of transient fluid temperature in pipelines. Journal of Power Technologies. 2016, 96(6), 385-389. open in new tab
  4. KORCZEWSKI, Z. Badania efektywności energetycznej nowo produkowanych paliw żeglugowych z zastosowaniem silnika diesla. Journal of Polish CIMEEAC. 13, 1(5), 53-64.
  5. KORCZEWSKI, Z. Exhaust gas temperature measurements in diagnostics of turbocharged marine internal combustion engines. Part I. Standard Measurements. Polish Maritime Research. 2015, 22/1(85), 47-54. open in new tab
  6. KORCZEWSKI, Z. Exhaust gas temperature measurements in diagnostics of turbocharged marine internal combustion engines. Part II. Dynamic Measurements. Polish Maritime Research. 23/1(89), 68-76. open in new tab
  7. KORCZEWSKI, Z. Diagnostyka eksploatacyjna okrętowych silników spalinowych -tłokowych i turbinowych. Wybrane zagadnienia. Wyd. Politechniki Gdańskiej. Gdańsk 2017.
  8. KORCZEWSKI, Z. The method of energy-efficiency inves- tigations of the newly produced marine fuels through the application of a diesel engine. Materiały Konferencji MAPE, Explo-Ship 2018. Zawiercie. open in new tab
  9. KORCZEWSKI, Z., PUZDROWSKA, P. Analytical method of determining dynamic properties of thermocouples used in measurements of quick -changing temperatures of exhaust gases in marine diesel engines. Combustion Engines. 2015, 162(3), 300-306. open in new tab
  10. KORCZEWSKI, Z., ZACHAREWICZ, M. Alternative diagnostic method applied on marine diesel engines having limited monitoring susceptibility. Transactions of the Insti- tute of Measurement and Control. 2012, 34(8), 937-946. open in new tab
  11. KORCZEWSKI, Z., ZACHAREWICZ, M. Diagnostyka symulacyjna układu turbodoładowania okrętowego tłoko- wego silnika spalinowego. Zeszyty Naukowe Akademii Marynarki Wojennej. 2007, 2(169).
  12. KOWALSKI, J., Laboratory study on influence of air duct throttling on exhaust gas composition in marine four-stroke diesel engine, Journal of KONES. 2015, 19(1), 191-198. open in new tab
  13. KOWALSKI, J. The emission and combustion characteris- tics of marine diesel engine with extreme throttled of air or exhaust ducts. New Trends in Production Engineering. 2018, 1(1), 427-433. open in new tab
  14. MARSZAŁKOWSKI, K., PUZDROWSKA, P. A laboratory stand for the analysis of dynamic properties of thermocou- ples. Journal of Polish CIMEEAC. 2015, 10(1), 111-120. open in new tab
  15. OLCZYK, A. Koncepcja pomiaru szybkozmiennej tempera- tury gazu z uwzględnieniem dynamicznej składowej tempe- ratury. Pomiary Automatyka Kontrola. 2007, 53/9, 576-579.
  16. PUZDROWSKA, P. Determining the time constant using two methods and defining the thermocouple response to sine excitation of gas temperature. Journal of Polish CIMEEAC. 2016, 11(1), 157-167.
  17. PUZDROWSKA, P. Metoda wyznaczania stałej czasowej termopary na podstawie pomiaru szybkozmiennej tempera- tury spalin wylotowych silnika o ZS. Zeszyty Naukowe Akademii Morskiej w Gdyni. 2018, 108, 115-133.
  18. PUZDROWSKA, P. Signal filtering method of the quick- varying diesel exhaust gas temperature. Combustion En- gines. 2018, 175(4), 48-52.
  19. RUDNICKI, J., PUZDROWSKA, P., MARSZAŁKOWSKI, K. Osłona termopary chłodzona wodą jako narzędzie zapobie- gające zakłóceniom zewnętrznym podczas pomiarów tempera- tur szybkozmiennych spalin w kanale wylotowym silnika okrę- towego. Journal of Polish CIMAC. 2017, 12(1), 97-104.
  20. ZACHAREWICZ, M. Metoda diagnozowania przestrzeni roboczych silnika okrętowego na podstawie parametrów procesów gazodynamicznych w kanale zasilającym turbo- sprężarkę. Rozprawa doktorska. AMW, Gdynia 2009.
Verified by:
Gdańsk University of Technology

seen 211 times

Recommended for you

Meta Tags