Comparative study on combustion characteristics of lean premixed CH4/air mixtures in RCM using spark ignition and turbulent jet ignition in terms of orifices angular position change

• Autorzy: Bueschke Wojciech , Skowron Maciej , Wisłocki Krzysztof , Szwajca Filip

Identyfikatory

DOI

10.19206/CE-2019-105

• Języki publikacji: EN

Abstrakty

EN

The increase in ignitability consist a main aim of implementation of the turbulent jet ignition (TJI) in relation to the combustion of diluted charges. Such an ignition system has been introduced to the lean-burn CNG engine in the scope of GasOn-Project (Gas Only Internal Combustion Engines). In this study the impact of TJI application on the main combustion indexes has been investigated using RCM and analyzed on the bases of the indicating and optical observations data. The images have been recorded using LaVision HSS5 camera and post-processed with Davis software. Second part of the study based on indicating measurements consist the analysis of combustion regarding the variation in the geometry of pre-chamber nozzles. It has been noted, that combustion with TJI indicates significantly bigger flame luminescence and simultaneously - faster flame front development, than the combustion initiated with conventional SI. The positive impact of nozzles angular position on engine operational data has been found in the static charge movement conditions, regarding the combustion stability.

Słowa kluczowe

EN

CNG; turbulent jet ignition; prechamber; optical analysis; flame development; heat release rate

PL

CNG; turbulentny zapłon odrzutowy; komora wstępna; analiza optyczna; szybkość wydzielania ciepła

• Wydawca: Polskie Towarzystwo Naukowe Silników Spalinowych
• Czasopismo: Combustion Engines
• Rocznik: 2019
• Tom: R. 58, nr 1
• Strony: 36--41
• Opis fizyczny: Bibliogr. 27 poz., il.

Twórcy

autor

Bueschke Wojciech

• Faculty of Transport Engineering, Poznan University of Technology

autor

Skowron Maciej

• Faculty of Transport Engineering, Poznan University of Technology

autor

Wisłocki Krzysztof

• Faculty of Transport Engineering, Poznan University of Technology

autor

Szwajca Filip

• Faculty of Transport Engineering, Poznan University of Technology

Bibliografia

• [1] ATTARD, W.P., BLAXILL, H., ANDERSON, E., LITKE, P. Knock limit extension with a gasoline fuelled pre-chamber jet igniter in a modern vehicle powertrain. SAE Technical Paper 2012-01-1143. 2012. DOI:10.4271/2012-01-1143.
• [2] ATTARD, W.P., FRASER, N., PARSONS, P., TOULSON, E. A turbulent jet ignition pre-chamber combustion system for large fuel economy improvements in a modern vehicle powertrain. SAE Technical Paper 2010-01-1457. 2010. DOI: 10.4271/2010-01-1457.
• [3] BISWAS, S., TANVIR, S., WANG, H., QIAO, L. On ignition mechanisms of premixed CH4/air and H2/air using a hot turbulent jet generated by pre-combustion. Applied Thermal Engineering. 2016, 106.
• [4] BUESCHKE, W. Identification of an engine lean burn gas air combustion system with turbulent jet ignition. Dissertation. Poznan University of Technology. 2017.
• [5] BUESCHKE, W., SKOWRON, M., SZWAJCA, F., WISŁOCKI, K. Flame propagation velocity in 2-stage gas combustion system applied in SI engine. IOP Conference Series: Materials Science and Engineering. 2018, 421. DOI: 10.1088/1757-899x/421/4/042009.
• [6] BUESCHKE, W., SKOWRON, M., WISŁOCKI, K. Investigations on gas-air mixture formation in the ignition chamber of two-stage combustion system using high-speed Schlieren imaging. MATEC Web of Conferences. 2017, 118, 00012. DOI: 10.1051/matecconf/201711800012.
• [7] BUNCE, M., BLAXILL, H., KULATILAKA, W., JIANG, N. The effects of turbulent jet characteristics on engine performance using a pre-chamber combustor. SAE Technical Paper 2014-01-1195. 2014. DOI: 10.4271/2014-01-1195.
• [8] CHEN, S., BECK, N. Gas engine combustion principles and applications. SAE Technical Paper 2001-01-2489. 2001, DOI:10.4271/2001-01-2489.
• [9] DUAN, X., LI, Y., LIU, J. et al. Experimental study the effects of various compression ratios and spark timing on performance and emission of a lean-burn heavy-duty spark ignition engine fueled with methane gas and hydrogen blends. Energy. 2018.
• [10] DUAN, X., LIU, J., YAO, J. et al. Performance, combustion and knock assessment of a high compression ratio and leanburn heavy-duty spark-ignition engine fuelled with n-butane and liquefied methane gas blend. Energy. 2018, 158.
• [11] ECKHOFF, R.K. Explosion hazards in the process industries: why explosions occur and how to prevent them? Oxford: Gulf Professional Publishing. 2016, 2.
• [12] EHSAN, M.D. Effect of spark advance on a gas run automotive spark ignition engine. Journal of Chemical Engineering. 2006, 24(1).
• [13] FU, J., SHU, J., ZHOU, F. et al. Experimental investigation on effects of compression ratio on in-cylinder combustion process and performance improvement of liquefied methane engine. Applied Thermal Engineering. 2017, 113.
• [14] GHOLAMISHEERI, M., THELEN, B.C., GENTZ, G.R. et al. Rapid compression machine study of a premixed, variable inlet density and flow rate, confined turbulent jet. Combustion and Flame. 2016, 169. DOI: 10.1016/j.combustflame.2016.05.001.
• [15] HUANG, Q., LI, W., LIN, Q. et al. Catalytic performance of Pd-NiCo2O4/SiO2 in lean methane combustion at low temperature. Journal of the Energy Institute. 2018, 91. DOI: 10.1016/j.joei.2017.05.008.
• [16] KAWABATA, Y., MORI, D. Combustion diagnostics & improvement of a prechamber lean-burn natural gas engine. SAE Technical Paper 2004-01-0979. 2004. DOI: 10.4271/2004-01-0979.
• [17] KOTZAGIANNI, M., KYRTATOS, P., BOULOUCHOS, K. Optical investigations of prechamber combustion in an RCEM. Combustion Engines. 2019, 176(1), 12-17. DOI: 10.19206/CE-2019-102.
• [18] LEE, S., PARK., S., KIM, C. et al. Comparative study on EGR and lean burn strategies employed in SI engine fueled by low calorific gas. Applied Energy. 2014, 129.
• [19] Magazine Modern Power Systems - webpage. Available online: www.modernpowersystems.com.
• [20] PARK, C., LEE, S., KIM, C., CHOI, Y. A comparative study of lean burn and exhaust gas recirculation in an HCNG-fueled heavy duty engine. International Journal of Hydrogen Energy. 2017, 42.
• [21] PIELECHA, I., BUESCHKE, W., CIEŚLIK, W., SKOWRON, M. Turbulent spark-jet ignition in SI gas fueled engine. MATEC Web of Conferences. 2017, 118, 00010. DOI: 10.1051/matecconf/201711800010.
• [22] RAPP, V., KILLINGSWORTH, N., THERKELSEN, P., EVANS, R. Lean Combustion. Technology and control. Academic Press. 2016.
• [23] ROETHLISBERGER, R.P., FAVRAT, D. Comparison between direct and indirect (prechamber) spark ignition in the case of a cogeneration natural gas engine, part I: engine geometrical parameters. Applied thermal Engineering. 2002, 22.
• [24] ROETHLISBERGER, R.P., FAVRAT, D. Investigation of the prechamber geometrical configuration of a natural gas spark ignition engine for cogeneration: part II. Experimentation. International Journal of Thermal Sciences. 2003, 42. DOI: 10.1016/S1290-0729(02)00024-8.
• [25] TANOUE, K., KIMURA, T., JIMOTO, T. et al. Study of prechamber characteristics in a rapid compression machine. Applied Thermal Engineering. 2017, 115. DOI: 10.1016/j.applthermaleng.2016.12.079.
• [26] UYEHARA, O.A. Prechamber for lean burn for low NOx. SAE Technical Paper 950612. 1995. DOI: 10.4271/950612.
• [27] WISŁOCKI, K., PIELECHA, I., MASLENNIKOV, D., CZAJKA, J. Thermodynamic aspects of combustion in gasoline engines fitted with a multiple fuel injection. Journal of KONES Powertrain and Transport. 2011, 18(4).

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).