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A New Criterion to Determine the Start of Combustion in Diesel Engine


Katrašnik, Tomaž; Oprešnik Rodman, Samuel; Trenc, Ferdinand; Škifić, Nedjeljko
A New Criterion to Determine the Start of Combustion in Diesel Engine // Proceedings of ASME ICEF Internal Combustion Engine Division, 2004 Fall Technical Conference, ISSN 0-7918-3748-3 / Neil X. Blythe (ur.).
New York, USA: ASME, 2004. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


CROSBI ID: 220288 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
A New Criterion to Determine the Start of Combustion in Diesel Engine

Autori
Katrašnik, Tomaž ; Oprešnik Rodman, Samuel ; Trenc, Ferdinand ; Škifić, Nedjeljko

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of ASME ICEF Internal Combustion Engine Division, 2004 Fall Technical Conference, ISSN 0-7918-3748-3 / Neil X. Blythe - New York, USA : ASME, 2004

Skup
ASME ICEF Internal Combustion Engine Division, 2004 Fall Technical Conference

Mjesto i datum
Long Beach, Kalifornija, SAD, 24-27.10.2004

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
diesel engine; start of combustion

Sažetak
A new criterion for the determination of the start of combustion (SOC) from the diesel engine in-cylinder pressure diagram was developed. It is defined as the maximum of the third order derivative of the cylinder pressure with respect to the crank angle. This criterion decares SOC more precisely than other previously published criterions based on pressure diagnostics. This fact was proven analyticaly and was discernable from the analysis of the experimental data. Beside its accuracy it is also robust enough to allow automatic evaluation of the SOC during processing of the pressure data for a large number of cycles. Analysis of first law of thermodynamics applied to the engine cylinder ahowed that the third order derivative of the cylinder pressure with respect to the crank angle is the most suitable criterion for determination of the SOC from the cylinder pressure diagram. Subsequently the criterion was validated through experimental data analysis of the cylinder pressure diagrams for various engine speeds and loads. Cylinder pressure diagrams were processed with a computer code based on the first law of thermodynamics to evaluate the rate of heat release (ROHR), which formed the base for the experimental validation. The cylinder pressure was measured with an advanced piezoelectric sensor at the resolution 0.1 deg. CA. Top dead center was determined with the capacitive top dead center sensor. Due to the analytic foundation of the developed method and its validation through highly accurate experimental data it can be concluded that new criterion is credible for the determination of the SOC.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Projekti:
0069009

Ustanove:
Tehnički fakultet, Rijeka

Profili:

Avatar Url Nedjeljko Škifić (autor)


Citiraj ovu publikaciju:

Katrašnik, Tomaž; Oprešnik Rodman, Samuel; Trenc, Ferdinand; Škifić, Nedjeljko
A New Criterion to Determine the Start of Combustion in Diesel Engine // Proceedings of ASME ICEF Internal Combustion Engine Division, 2004 Fall Technical Conference, ISSN 0-7918-3748-3 / Neil X. Blythe (ur.).
New York, USA: ASME, 2004. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Katrašnik, T., Oprešnik Rodman, S., Trenc, F. & Škifić, N. (2004) A New Criterion to Determine the Start of Combustion in Diesel Engine. U: Neil X. Blythe (ur.)Proceedings of ASME ICEF Internal Combustion Engine Division, 2004 Fall Technical Conference, ISSN 0-7918-3748-3.
@article{article, year = {2004}, pages = {Paper ICEF2004-830, pp. 1-7}, keywords = {diesel engine, start of combustion}, title = {A New Criterion to Determine the Start of Combustion in Diesel Engine}, keyword = {diesel engine, start of combustion}, publisher = {ASME}, publisherplace = {Long Beach, Kalifornija, SAD} }
@article{article, year = {2004}, pages = {Paper ICEF2004-830, pp. 1-7}, keywords = {diesel engine, start of combustion}, title = {A New Criterion to Determine the Start of Combustion in Diesel Engine}, keyword = {diesel engine, start of combustion}, publisher = {ASME}, publisherplace = {Long Beach, Kalifornija, SAD} }




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