Safety, Reliability and Effectiveness of Internal Combustion Engines

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closed (29 February 2024)

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closed (31 May 2024)

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Topic Information

Dear Colleagues,

Despite the growth of renewable energy capacities, internal combustion engines (ICE) will probably remain the main source of propulsion in transport and other industries. New technologies are developed to improve and reduce the ICE’s economic and environmental impacts, its construction and operating procedures included. It forces continuous improvement of the ICE’s effectiveness, safety and reliability. This article collection aims at bringing together research on how to identify, rectify and verify the effective, safe and reliable operation of different ICEs types. We welcome original research and review papers. This topic covers, in particular:

• Genesis, assessment and prediction ICE’s effectiveness, safety and reliability;

• Application of new methods, algorithms and heuristics for ICE’s effectiveness, safety and reliability analysis including AI, FEM, CFD, ALT;

• Development of new and improved protection systems for ICEs;

• Mitigation of new risks connected with the application of modern fuels including hydrogen, ammonia and methanol;

• Prevention of failures, breakdowns, fires and explosions;

• Prevention of incidents and accidents including pollution, damages, injuries, poisoning and death;

• Training and education in effective and safe operation;

• Application of procedures for more effective, safer and more reliable operation of ICEs;

• Development of modern condition monitoring systems;

• Root cause analysis of ICE’s failure case studies.

Prof. Dr. Leszek Chybowski
Dr. Jarosław Myśków
Dr. Przemysław Kowalak
Dr. Andrzej Jakubowski
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Energies energies	3.0	6.2	2008	16.8 Days	CHF 2600
Journal of Marine Science and Engineering jmse	2.7	4.4	2013	16.4 Days	CHF 2600
Safety safety	1.8	3.2	2015	29.7 Days	CHF 1800
Sensors sensors	3.4	7.3	2001	18.6 Days	CHF 2600
Processes processes	2.8	5.1	2013	14.9 Days	CHF 2400

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Published Papers (3 papers)

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All Energies JMSE Safety Sensors Processes

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17 pages, 9060 KiB  

Open AccessArticle

The Influence of Pre-Chamber Parameters on the Performance of a Two-Stroke Marine Dual-Fuel Low-Speed Engine

by Hao Guo, Zhongcheng Wang, Song Zhou, Ming Zhang and Majed Shreka

J. Mar. Sci. Eng. 2024, 12(7), 1232; https://doi.org/10.3390/jmse12071232 - 22 Jul 2024

Cited by 3 | Viewed by 1213

Abstract

With increasing environmental pollution from ship exhaust emissions and increasingly stringent International Maritime Organization carbon regulations, there is a growing demand for cleaner and lower-carbon fuels and near-zero-emission marine engines worldwide. Liquefied natural gas is a low-carbon fuel, and when liquefied natural gas [...] Read more.

With increasing environmental pollution from ship exhaust emissions and increasingly stringent International Maritime Organization carbon regulations, there is a growing demand for cleaner and lower-carbon fuels and near-zero-emission marine engines worldwide. Liquefied natural gas is a low-carbon fuel, and when liquefied natural gas (LNG) is used on ships, dual-fuel methods are often used. The pre-chamber plays a key role in the working process of dual-fuel engines. In this paper, an effective three-dimensional simulation model based on the actual operating conditions and structural characteristics of a marine low-pressure dual-fuel engine is established. In addition, the effects of changing the Precombustion chamber (PCC) volume ratio and the PCC orifice diameter ratio on the mixture composition, engine combustion performance, and pollutant generation were thoroughly investigated. It was found that a small PPC volume ratio resulted in a higher flame jet velocity, a shorter stagnation period, and an acceleration of the combustion process in the main combustion chamber. When the PCC volume was large, the Nitrogen oxygen (NOx) ratio emission was elevated. Moreover, the angle of the PCC orifice affected the flame propagation direction of the pilot fuel. Optimizing the angle of the PCC orifice can improve combustion efficiency and reduce the generation of NOx. Furthermore, reasonable arrangement of the PCC structure can improve the stability of ignition performance and accelerate the flame jet velocity. Full article

(This article belongs to the Topic Safety, Reliability and Effectiveness of Internal Combustion Engines)

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27 pages, 7124 KiB  

Open AccessArticle

Particles Morphology of Mechanically Generated Oil Mist Mixtures of SAE 40 Grade Lubricating Oil with Diesel Oil in the Context of Explosion Risk in the Crankcase of a Marine Engine

by Leszek Chybowski, Marcin Szczepanek, Katarzyna Gawdzińska and Oleh Klyus

Energies 2023, 16(9), 3915; https://doi.org/10.3390/en16093915 - 5 May 2023

Cited by 6 | Viewed by 2238

Abstract

This article presents research results on mechanically generated oil mists. The research was carried out for oil mixtures for the Agip/Eni Cladium 120 SAE 40 API CF oil for industrial and marine engines diluted with diesel oil Orlen Efecta Diesel Bio at diesel [...] Read more.

This article presents research results on mechanically generated oil mists. The research was carried out for oil mixtures for the Agip/Eni Cladium 120 SAE 40 API CF oil for industrial and marine engines diluted with diesel oil Orlen Efecta Diesel Bio at diesel oil concentrations of 2%, 5%, 10%, 20%, and 50% m/m. Pure lubricating oil and pure diesel oil were also tested. Droplet size distributions were determined for the reference moment at which residual discrepancies R between the measurement data and the sprayed pure diesel oil calculation model obtained the lowest value. For mechanically generated oil mists, the light transmission coefficient through the oil mist T, the specific surface area of the oil mist SSA, and the volumetric share of drops D_V(V%) for 10%, 50%, and 90% of the total volume of the generated oil mist were determined. The span of the volumetric distributions of droplet sizes SPAN, Sauter mean diameter D_[3,2], De Brouckere mean diameter D_[4,3], the volumetric and mass percentage of droplets with diameters ≤5 μm (diameters necessary for a crankcase explosion), the minimum difference between the measurement results, and the calculation model used by the residual error measuring device were determined. The best fit in each measurement cycle (the smallest R value was analyzed. For specific indicators, correlations with diesel oil levels in the mixture were determined using the Pearson r_XY linear correlation coefficient. Those results confirmed an increase in smaller-diameter droplets, an increase in the number of droplets with diameters up to 5 μm, and an increase in the span of the oil mist droplet diameter distribution with additional diesel oil. This confirmed a relationship between an increased lubricating oil dilution and an increased explosion risk in the crankcase. Full article

(This article belongs to the Topic Safety, Reliability and Effectiveness of Internal Combustion Engines)

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21 pages, 6057 KiB  

Open AccessArticle

The Non-Uniformity Control Strategy of a Marine High-Speed Diesel Engine Based on Each Cylinder’s Exhaust Temperature

by Liangtao Xie, Sicong Sun and Fei Dong

Processes 2023, 11(4), 1068; https://doi.org/10.3390/pr11041068 - 2 Apr 2023

Cited by 3 | Viewed by 2069

Abstract

To improve the non-uniformity of a multi-cylinder marine diesel engine caused by manufacturing assembly errors and performance degradation of the fuel injection system, with the instantaneous speed applied as the control target, the feedback variable of each cylinder’s exhaust temperature was used to [...] Read more.

To improve the non-uniformity of a multi-cylinder marine diesel engine caused by manufacturing assembly errors and performance degradation of the fuel injection system, with the instantaneous speed applied as the control target, the feedback variable of each cylinder’s exhaust temperature was used to obtain the non-uniformity information and the injection quantity of each cylinder was applied as the control variable; the inhomogeneity control was accomplished by modifying the injection pulse spectrum. The model of AVL Cruise M was established and validated by bench test data. The non-uniformity control strategy based on the instantaneous speed and the exhaust temperature of each cylinder was developed in SIMULINK, and the control effect was compared with the closed-loop control of cylinder pressure by software in-loop simulation. The results showed that the non-uniformity control strategy based on exhaust temperature could significantly improve the uniformity of each cylinder; although the improvement effect was not as great as the non-uniformity control strategy based on cylinder pressure, the cost was significantly reduced, and the practicality and reliability were better. With the closed-loop control of exhaust temperature and instantaneous speed, the CV (Coefficient of Variation) of IMEP (indicated effective pressure) was close to the closed-loop control of cylinder pressure; the maximum occurred at 25% load when it was 0.199%. This co-simulation provided a theoretical basis for the subsequent hardware-in-the-loop simulation and actual engine tests. Full article

(This article belongs to the Topic Safety, Reliability and Effectiveness of Internal Combustion Engines)

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