Effect of dual-core spark discharge on ignition probability and engine power
Tóm tắt: 63
| 
PDF: 53 
##plugins.themes.academic_pro.article.main##
Author
Từ khóa:
Dual-core spark plug discharge
Lean methane/air combustion
Ignition probability
Constant volume combustion chamber
Internal combustion engine
Tóm tắt
This report presents the experimental study of developing a dual-core spark discharge (2C-SD) model for clean combustion. We first studied ignition probability (Pig) of lean methane/air at an equivalence ratio of 0.5 using 2C-SD with different spark-gaps (dgap = 1.0mm and 2.0mm) in a constant volume combustion chamber. We then applied 2C-SD to the engine driving a 2.5-kW generator. The results indicated that Pig is 30% and 45% at dgap=1.0mm and 2.0mm, respectively, while Pig is 0 when using conventional single spark discharge (CSSD). Compared to CSSD, when using 2C-SD the engine power could be improved by 4%-9.7%, depending on the throttle openings. We expect the larger volume of the initial flame kernel by 2C-SD could enhance Pig and quickly reach the critical flame radius before self-sustained propagating. The faster initial flame speed is essential for achieving the optimal combustion phasing, resulting in a higher power.
Tài liệu tham khảo
-
[1] Nakata, S. Nogawa, D. Takahashi, Y. Yoshihara, A. Kumagai, and T. Suzuki, "Engine Technologies for Achieving 45% Thermal Efficiency of S.I. Engine", SAE International Journal of Engines, 9(1), 2015, 179-192.
[2] Tsuboi, S. Miyokawa, M. Matsuda, T. Yokomori, and N. Iida, "Influence of spark discharge characteristics on ignition and combustion process and the lean operation limit in a spark ignition engine", Applied Energy, 250 2019, 617-632.
[3] Hayashi, A. Sugiura, Y. Abe, and K. Suzuki, "Development of Ignition Technology for Dilute Combustion Engines", SAE International Journal of Engines, 10(3), 2017, 984-995.
[4] Chen, M. P. Burke, and Y. Ju, "Effects of Lewis number and ignition energy on the determination of laminar flame speed using propagating spherical flames", Proceedings of the Combustion Institute, 32(1), 2009, 1253-1260.
[5] P. Kelley, G. Jomaas, and C. K. Law, "Critical radius for sustained propagation of spark-ignited spherical flames", Combustion and Flame, 156(5), 2009, 1006-1013.
[6] Chen, M. P. Burke, and Y. Ju, "On the critical flame radius and minimum ignition energy for spherical flame initiation", Proceedings of the Combustion Institute, 33(1), 2011, 1219-1226.
[7] Jung, K. Sasaki, K. Sugata, M. Matsuda, T. Yokomori, and N. Iida, "Combined Effects of Spark Discharge Pattern and Tumble Level on Cycle-to-Cycle Variations of Combustion at Lean Limits of SI Engine Operation”, presented at the SAE Technical Paper Series, 2017.
[8] Jung and N. Iida, "An investigation of multiple spark discharge using multi-coil ignition system for improving thermal efficiency of lean SI engine operation", Applied Energy, 212 2018, 322-332.
[9] J. Jiang, S. Shy, M. T. Nguyen, S. Y. Huang, and D. W. Yu, "Spark ignition probability and minimum ignition energy transition of the lean iso-octane/air mixture in premixed turbulent combustion", (in English), Combustion and Flame, 187 2018, 87-95.
[10] Turquand d’Auzay, V. Papapostolou, S. F. Ahmed, and N. Chakraborty, "On the minimum ignition energy and its transition in the localised forced ignition of turbulent homogeneous mixtures", Combustion and Flame, 201 2019, 104-117.
[11] Chen et al., "Impact of Ignition Energy Phasing and Spark Gap on Combustion in a Homogenous Direct Injection Gasoline SI Engine Near the EGR Limit”, presented at the SAE Technical Paper Series, 2013. Available: https://doi.org/10.4271/2013-01-1630
[12] Yu et al., "Improvement on Energy Efficiency of the Spark Ignition System”, presented at the SAE Technical Paper Series, 2017. Available: https://doi.org/10.4271/2017-01-0678
[13] Yu et al., "Boosted Current Spark Strategy for Lean Burn Spark Ignition Engines”, presented at the SAE Technical Paper Series, 2018. Available: https://doi.org/10.4271/2018-01-1133
[14] Lin, Y. Wu, Z. Zhang, D. Bian, and D. Jin, "Ignition enhancement of lean propane/air mixture by multi-channel discharge plasma under low pressure", Applied Thermal Engineering, 148 2019, 1171-1182.
[15] Hwang, W. Kim, C. Bae, W. Choe, J. Cha, and S. Woo, "Application of a novel microwave-assisted plasma ignition system in a direct injection gasoline engine", Applied Energy, 205 2017, 562-576.
[16] Wermer, J. K. Lefkowitz, T. Ombrello, and S.-k. Im, "Ignition enhancement by dual-pulse laser-induced spark ignition in a lean premixed methane-air flow", Proceedings of the Combustion Institute, 37(4), 2019, 5605-5612.
[17] Badawy, X. Bao, and H. Xu, "Impact of spark plug gap on flame kernel propagation and engine performance", Applied Energy, 191 2017, 311-327.
[18] Zheng et al., "Spark-based Advanced Ignition Control for Future Diluted Gasoline Engines”, in Ignition Systems for Gasoline Engines: 4th International Conference, December 6 - 7, 2018, Berlin, Germany. Ed.: M. Günther, 2018, pp. 1-25: expert-Verlag.
[19] M. Tien, N. L. C. Thanh, H. H. Phi, and N. Van Dong, "A study on the influence of ignition energy on ignition delay time and laminar burning velocity of lean methane/air mixture in a constant volume combustion chamber", The University of Danang - Journal of Science and Technology, Vol. 19, No. 12.1, 2021, 1-4.
[20] T. Nguyen, V. V. Luong, Q. T. Pham, M. T. Phung, and P. N. Do, "Effect of Ignition Energy and Hydrogen Addition on Laminar Flame Speed, Ignition Delay Time, and Flame Rising Time of Lean Methane/Air Mixtures", Energies, 15(5), 2022, 1940 -1950.
[21] T. Nguyen, M. T. Phung, H. P. Ho, and V. Đ. Nguyen, "Optimizing a Design of Constant Volume Combustion Chamber for Outwardly Propagating Spherical Flame”, in Advances in Asian Mechanism and Machine Science(Mechanisms and Machine Science, 2022, pp. 921-931.
[22] T. Nguyen, S. S. Shy, Y. R. Chen, B. L. Lin, S. Y. Huang, and C. C. Liu, "Conventional spark versus nanosecond repetitively pulsed discharge for a turbulence facilitated ignition phenomenon", Proceedings of the Combustion Institute, 38(2), 2021, 2801-2808.
[23] B.-x. Lin, Y. Wu, Z.-b. Zhang, and Z. Chen, "Multi-channel nanosecond discharge plasma ignition of premixed propane/air under normal and sub-atmospheric pressures", Combustion and Flame, 182 2017, 102-113.
Xem thêm
##plugins.themes.academic_pro.article.sidebar##
Đã Xuất bản
Dec 31, 2022
Download
Cách trích dẫn
Nguyen Minh Tien, Bui Van Hung, Nguyen Xuan Bao, và Truong Thi Hoa. “Effect of Dual-Core Spark Discharge on Ignition Probability and Engine Power”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 20, số p.h 12.1, Tháng Chạp 2022, tr 11-14, doi:10.31130/ud-jst.2022.306E.
