Experimental investigation on the influence of passive/active pre-chamber
injection strategy on the hydrogen knock limit
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These authors had equal contribution to this work
Submission date: 2025-05-09
Final revision date: 2025-06-18
Acceptance date: 2025-06-20
Online publication date: 2025-07-07
Corresponding author
Ireneusz Pielecha
Faculty of Civil and Transport Engineering, Poznan University of Technology, Piotrowo 3 street, 60-965, Poznań, Poland
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ABSTRACT
Hydrogen combustion in an engine is related to the high speed of the process, the wide variability of the excess air ratio, and the high intensity of knock combustion. This paper presents analyses of knock combustion in a TJI engine under passive and active pre-chamber fuelling. The tests were conducted on a single-cylinder AVL 5804 test engine at n = 1500 rpm and medium load (IMEP = 3–4 bar). Attention was focused on the knock indicator – MAPO at different excess air ratio values. The possibilities of reducing this phenomenon in the TJI engine during different pre-chamber fuel injection strategies and at different excess air ratio values are presented. The probability of knock occurrence was determined cycle by cycle for several combustion cases (including a further 2 to 5 engine cycles). The paper shows that knock occurs differently in the main chamber and pre-chamber when the engine is actively or passively fed.
REFERENCES (28)
1.
Aramburu A, Guido C, Bares P, Pla B, Napolitano P, Beatrice C. Knock detection in spark ignited heavy duty engines: an application of machine learning techniques with various knock sensor locations. Measurement. 2024;224:113860.
https://doi.org/10.1016/j.meas....
2.
Aziz M, Wijayanta AT, Nandiyanto ABD. Ammonia as effective hydrogen storage: a review on production, storage and utilization. Energies. 2020;13(12):3062.
https://doi.org/10.3390/en1312....
4.
Chai WS, Bao Y, Jin P, Tang G, Zhou L. A review on ammonia, ammonia-hydrogen and ammonia-methane fuels. Renew Sustain Energy Rev. 2021;147:111254.
https://doi.org/10.1016/j.rser....
6.
Górzyńska M, Pielecha I. Numerical investigation of pre-chamber holes diameter geometry on combustion parameters in a hydrogen-powered Turbulent Jet Ignition engine. Combustion Engines. 2024;199(4):126-139.
https://doi.org/10.19206/CE-19....
7.
Güdden A, Pischinger S, Geiger J, Heuser B, Müther M. An experimental study on methanol as a fuel in large bore high speed engine applications – port fuel injected spark ignited combustion. Fuel. 2021;303:121292.
https://doi.org/10.1016/j.fuel....
8.
Guo X, Li T, Huang S, Zhou X, Chen R, Wei W et al. Characteristics of ignition, combustion and emission formation of premixed ammonia-hydrogen blends by hydrogen-fueled pre-chamber turbulent jets. Energy. 2025;322:135573.
https://doi.org/10.1016/j.ener....
9.
Gürbüz H, Topalci Ü, Akçay H. Experimental evaluation of the combustion process of H2-assisted flame jet ignition conditions in a direct injection gasoline SI engine. Appl Therm Eng. 2025;270:126248.
https://doi.org/10.1016/j.appl....
10.
Ji F, Meng S, Han Z, Dong G, Reitz RD. Progress in knock combustion modeling of spark ignition engines. Appl Energy. 2025;378:124852.
https://doi.org/10.1016/j.apen....
11.
Liu X, Menaca R, Mohan B, Silva M, AlRamadan AS, Cenker E et al. Assessment of piston and injector cap designs on the performance of a hydrogen direct-injection spark-ignition engine. Appl Therm Eng. 2025;271:126372.
https://doi.org/10.1016/j.appl....
12.
Matla J, Kaźmierczak A, Haller P, Trocki M. Hydrogen as a fuel for spark ignition combustion engines – state of knowledge and concept. Combustion Engines. 2024;196(1):73‑79.
https://doi.org/10.19206/CE-17....
13.
Menaa A, Amrouche F, Lounici MS, Loubar K. Experimental investigation of hydrogen use in dual fuel and like dual fuel mode. Fuel. 2025;393:135031.
https://doi.org/10.1016/j.fuel....
14.
Pielecha I, Szwajca F, Skobiej K. Experimental investigation on knock characteristics from pre-chamber gas engine fueled by hydrogen. Energies. 2024;17(4):937.
https://doi.org/10.3390/en1704....
15.
Pla B, Bares P, Jimenez I, Guardiola C. Increasing knock detection sensitivity by combining knock sensor signal with a control oriented combustion model. Mech Syst Signal Process. 2022;168:108665.
https://doi.org/10.1016/j.ymss....
17.
Rimkus A, Kozłowski E, Vipartas T, Pukalskas S, Wiśniowski P, Matijošius J. Emission characteristics of hydrogen-enriched gasoline under dynamic driving conditions. Energies. 2025;18(5):1190.
https://doi.org/10.3390/en1805....
18.
Shi H, Tang Q, Uddeen K, Magnotti G, Turner J. Optical diagnostics and multi-point pressure sensing on the knocking combustion with multiple spark ignition. Combust Flame. 2022;236:111802.
https://doi.org/10.1016/j.comb....
19.
Shi W, Li Z, Dong W, Sun P, Yu X, Yang S et al. Effect of pre-combustion chamber hydrogen injection strategy on emissions and fuel economy of jet ignition engines under ultra lean-burn conditions. Int J Hydrog Energy. 2025;113:147‑160.
https://doi.org/10.1016/j.ijhy....
20.
Silva M, Liu X, Hlaing P, Sanal S, Cenker E, Chang J et al. Computational assessment of effects of throat diameter on combustion and turbulence characteristics in a pre-chamber engine. Appl Therm Eng. 2022;212:118595.
https://doi.org/10.1016/j.appl....
21.
Sun J, Zhang X, Tang Q, Wang Y, Li Y. Knock recognition of knock sensor signal based on wavelet transform and variational mode decomposition algorithm. Energy Convers Manag. 2023;287:117062.
https://doi.org/10.1016/j.enco....
24.
Wakasugi T, Tsuru D, Tashima H. Influences of the pre-chamber orifices on the combustion behavior in a constant volume chamber simulating pre-chamber type medium-speed gas engines. Combust Engines. 2022;
https://doi.org/10.19206/CE-14....
25.
Wang K-D, Zhang Z-F, Sun B-G, Zhang S-W, Lai F-Y, Ma N et al. Experimental investigation of the working boundary limited by abnormal combustion and the combustion characteristics of a turbocharged direct injection hydrogen engine. Energy Convers Manag. 2024;299:117861.
https://doi.org/10.1016/j.enco....
26.
Yang X, Li G, Liang Y, Wang P, Cheng Y, Zhao Y. Effect of auxiliary hydrogen injection in the prechamber on the combustion process of a natural gas engine. ACS Omega. 2025;10(12):11935‑11947.
https://doi.org/10.1021/acsome....
27.
Zhu S, Akehurst S, Lewis A, Yuan H. A review of the pre-chamber ignition system applied on future low-carbon spark ignition engines. Renew Sustain Energy Rev. 2022;154:111872.
https://doi.org/10.1016/j.rser....
28.
Zuo Q, Yang D, Shen Z, Chen W, Lu C, Chen L et al. Effect of premixed ratio on combustion and emission characteristics in a spark ignition engine with hydrogen-ammonia direct injection. Fuel. 2025;393:135051.
https://doi.org/10.1016/j.fuel....