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Journal articles on the topic 'Marine diesel engine'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Cui, Xiang Dong, Zhi De Zhang, and Bin Li. "Study on Energy Saving and Environmental Protection of Marine Dual Fuel Diesel Engine and Using Problems in China." Advanced Materials Research 1010-1012 (August 2014): 1912–17. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.1912.

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With concern about the influence from hazardous emissions of marine diesel engine using fuel oil as fuel and international convention on marine diesel engine emission regulations, the new technology developments of foreign marine dual fuel diesel engines and their latest progresses are introduced, and the development trend of dual fuel diesel engine applications on ship demonstrated. The using problems of the marine dual fuel diesel engine in China are researched with an analysis and prospect of action and reaction in China.

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2

Zhukov, V., O. Melnik, and E. Khmelevskaya. "Changes in the kinematic viscosity of engine oil during the operation of marine diesel engines." Journal of Physics: Conference Series 2131, no. 3 (2021): 032060. http://dx.doi.org/10.1088/1742-6596/2131/3/032060.

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Abstract A prerequisite for the long-term and safe operation of marine diesel engines is the high quality of operational materials, which include engine oils and coolants. The required quality of operational materials is ensured by the introduction of additives into their composition, which are now increasingly used as nanoparticles. During operation, as a result of the destruction of additives, the operational properties of coolants and engine oils deteriorate. The conducted studies allowed us to evaluate the change in the lubricating ability of engine oils of two brands that are used in mari

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3

Peng, Chen. "Wear Test of Cylinder Liner and Piston Ring of Marine Diesel Engine Based on Computer Simulation Technology." Journal of Physics: Conference Series 2074, no. 1 (2021): 012033. http://dx.doi.org/10.1088/1742-6596/2074/1/012033.

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Abstract With the development of computer technology, computer simulation has become a powerful tool to carry out liner - piston ring wear experiment of Marine diesel engines. Turbocharged diesel engine is a typical multi-system and multi-level complex power plant. There are many factors that affect the piston change and wear speed of diesel engine in practical operation, and many factors are interrelated and influence each other. Marine diesel engine is the most important mechanical equipment in Marine engine room, which has a complex system structure. If the diesel engine fails, it will seri

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4

Lus, Tomasz. "Changes in Marine Diesel Engines Operating Strategy." New Trends in Production Engineering 1, no. 1 (2018): 739–46. http://dx.doi.org/10.2478/ntpe-2018-0093.

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Abstract Constant changes in the operating strategy of marine diesel engines are observed. They refer to whole engine and different functional systems of the engine in different range. The paper presents changes in marine diesel engines operating strategy. Gradual transition from simple failure response operating strategy – Corrective Maintenance (CM) to a reliability-oriented strategy – Reliability Centered Maintenance (RCM) has been described together with some remarks about Planed Maintenance (PM) systems and Condition Based Maintenance (CBM) systems with their latest form called CBM+. Some

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5

Changxiong, Li, Yihuai Hu, Zy Yang, and Hao Guo. "Experimental Study of Fuel Combustion and Emission Characteristics of Marine Diesel Engines Using Advanced Fuels." Polish Maritime Research 30, no. 3 (2023): 48–58. http://dx.doi.org/10.2478/pomr-2023-0038.

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Abstract In order to explore the potential application of oxygenated fuels, polyoxymethylene dimethyl ethers (PODE), as an alternative fuel for marine diesel engines, the fuel combustion performance and gas emission characteristics of pure diesel oil, diesel-blended PODE, and pure PODE were tested on a marine diesel engine under different running conditions. The experimental results indicate that oxygen consumption can be reduced by diesel-blended PODE and pure PODE. The in-cylinder pressure and exothermic curve were consistent with the trend of diesel oil. Also, the ignition delay of diesel-b

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6

Konyukov, Vyacheslav Leontievich. "Comparative analysis of marine diesel engines by ultimate efficiency increase under direct air flow control." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2021, no. 2 (2021): 43–54. http://dx.doi.org/10.24143/2073-1574-2021-2-43-54.

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The paper presents a comparative analysis of the operational parameters and parameters of marine diesel engines obtained as a result of computational and theoretical studies with direct control of air flow using an adjustable turbocharger nozzle to ensure the maximum allowable efficiency of diesel engines. The objects under study are: two-stroke marine diesel engine, operating on the screw characteristics; marine four-stroke diesel working on the screw characteristics; marine four-stroke diesel working on the load characteristics. As a result of the rotation of the blades of the adjustable noz

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7

Shen, Xiao Qun, and Yu Xiang Su. "Marine Diesel Engine Speed Control System Based on Fuzzy-PID." Applied Mechanics and Materials 152-154 (January 2012): 1589–94. http://dx.doi.org/10.4028/www.scientific.net/amm.152-154.1589.

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The traditional PID control effect is not ideal when the controlled object is nonlinear and contains variable parameters. In order to adapt marine diesel engines to variable working conditions, the fuzzy-PID control method was proposed to be used in the speed control system of marine diesel engine to realize online adjustment of PID parameters. The composition of marine diesel engine speed control system was introduced, and the design of fuzzy–PID controller was analyzed in detail. The fuzzy-PID diesel engine speed governor was simulated through MATLAB. The simulation results show that fuzzy-P

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8

Сагін, С. В., and Т. О. Столярик. "ANALYSIS OF OPERATIONAL CHARACTERISTICS MOTOR OILS OF MARINE DIESELS." SHIP POWER PLANTS 43, no. 1 (2021): 69–80. http://dx.doi.org/10.31653/smf343.2021.69-80.

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The analysis of the performance characteristics of engine oils used in the lubrication systems of marine diesel engines is carried out. The requirements for oils for various purposes are given. Recommendations on the choice of engine oils for lubricating and circulating lubrication systems of marine low- and medium-speed diesel engines are proposed.

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9

MOHD NOOR, CHE WAN, and MOHD HAFIZUDDIN. "Analysing the Impact of Various Diesel Types on the Performance and Emissions of Marine Diesel Engines Using Diesel-RK Software." Universiti Malaysia Terengganu Journal of Undergraduate Research 7, no. 1 (2025): 16–26. https://doi.org/10.46754/umtjur.v7i1.425.

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Software applications to solve engineering problems and performance issues of marine diesel engines are becoming easier in current trends due to the rapid development of technology and computer science. However, the cost of software kits for users is very high and burdensome, especially for researchers in developing countries. Alternatively, Diesel-RK software is an open-source program created to help researchers in modelling and making predictions on the performance and exhaust emissions of a diesel engine. Therefore, this work presents the results of the Diesel-RK application for simulating

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10

Chai, Yan You, Xiu Yan Peng, and Xin Jiang Man. "Research on Fault Diagnosis of Marine Diesel Engine Based on KFDA." Advanced Materials Research 442 (January 2012): 262–66. http://dx.doi.org/10.4028/www.scientific.net/amr.442.262.

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In order to guarantee the normal operation of marine, an effective fault diagnosis model need to be established to determine the reason causing the fault of marine diesel engine. According to the problem of fault diagnosis of marine diesel engine, by using the methods of kernel fisher discriminant analysis, a method solving fault diagnosis of marine diesel engine is proposed. Firstly, kernel fisher discriminant analysis was done to the historical fault set and the parameters were determined by grid method. In this way, the fault diagnosis model of marine diesel engine was built. Then, this mod

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11

Сагин, Сергей Викторович, and Тимур Александрович Столярик. "Dynamics of marine diesels when using motor oils with different structural characteristics." Automation of ship technical facilities 27, no. 1 (2021): 108–19. http://dx.doi.org/10.31653/1819-3293-2021-1-27-108-119.

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Annotation – The influence of the structural characteristics of engine lube oil on the dynamics of a marine diesel engine is considered. It is indicated that micron layers of marine engine lube oils separating the contact surfaces of marine diesel engines acquire the properties of liquid crystals and are characterized by an ordered molecular structure. The qualitative indicator of this structure is the degree of ordering of the molecules, and the quantitative indicator is the thickness of the ordered (boundary) lubricating layer. It is proposed to determine the structural characteristics of ma

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12

Zalina Mat Nawi, Siti Kartom Kamarudin, and Siti Rozaimah Sheikh Abdullah. "Improve Waste Heat Recovery and Performance of Organic Rankine Cycle Analysis for Exhaust Gas from A Marine Diesel Engine Using Biofuel from Algae." Journal of Advanced Research in Applied Sciences and Engineering Technology 29, no. 3 (2023): 1–20. http://dx.doi.org/10.37934/araset.29.3.120.

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Marine diesel engines are commonly used as a propulsion system in ships. The waste heat generated from marine diesel engines is one of the key disadvantages of this system. This study aims to improve the recovery of waste heat generation. It presents the performance analysis of Organic Rankine Cycle (ORC) for exhaust gas in a marine diesel engine using different types of biofuels production methods from selected microalgae via mathematical modelling. The microalgae are from species of Synechococcus PCC 7002, Nannochloropsis oculata sp, Chlorella protothecoides, and Dunaliella sp. A marine engi

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13

Kargina, Sergey Aleksandrovich, Denisovitch Polukhina Pavel, and Pavel Aleksandrovich Dorokhov. "IMPROVING THE OPERATIONAL EFFICIENCY OF MARINE HIGH-SPEED DIESEL ENGINES." Recueil de mécanique 6, no. 2 (2022): 636–56. https://doi.org/10.5281/zenodo.7207557.

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In the course of the research, a comparative analysis of the operating parameters of high-speed ship diesel engines, including cost ones, was carried out. The technical characteristics of the ship's high-speed diesel engines of domestic production are analyzed, as well as the directions of their modernization are proposed, including structural measures and ways of organizing work processes for various variants of combustion chambers, variants of execution (main, auxiliary). The method of calculating the power of the main engine of the vessel on the basis of valid indicator diagrams is prop

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14

Pagan, Rubio Jose Antonio, Francisco Vera-García, José Hernández-Grau, Cámara José Muñoz, and Daniel Albaladejo-Hernández. "Marine diesel engine failure simulator based on thermodynamic model." Applied Thermal Engineering 144 (August 31, 2018): 982–95. https://doi.org/10.1016/j.applthermaleng.2018.08.096.

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Highlights Marine diesel engine characterization using experimental measurement. A one-dimensional thermodynamic model which faithfully represents the real engine behavior. Model used as a simulator of the 15 most typical marine diesel engine thermodynamic faults. Onboard detectable symptoms of diesel engine failures are analyzed and characterized.

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15

Tymur, Stoliaryk. "Analysis of the operation of marine diesel engines when using engine oils with different structural characteristics." Technology audit and production reserves 5, no. 1 (67) (2022): 22–32. https://doi.org/10.15587/2706-5448.2022.265868.

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<em>The object of research is the process of lubrication of marine trunk diesel engines. The subject of research is marine diesel engine oils, which provide lubrication, cooling and separation of friction surfaces.</em> <em>The analysis of the operation of marine diesel engines using motor oils with different structural characteristics is carried out. The studies are carried out on Yanmar 6EY18AL diesel engines of a Multipurpose Vessel class ship with deadweight of 27540 tons. The objective of research is to determine the effect of the structural characteristics of the oil layer (contact angle

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16

Sagin, Sergii, Volodymyr Madey, and Tymur Stoliaryk. "Analysis of mechanical energy losses in marine diesels." Technology audit and production reserves 5, no. 2(61) (2021): 26–32. http://dx.doi.org/10.15587/2706-5448.2021.239698.

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The object of research is marine diesel engine oils, which provide lubrication, cooling and separation of friction surfaces. The subject of the research is the process of ensuring minimum mechanical losses in marine diesel engines. A problematic point in ensuring the lubrication of the cylinder-piston group and motion bearings is the lack of analytical and experimental studies that establish the relationship between the structural characteristics of engine oils and mechanical losses arising in marine internal combustion engines. The degree of orientational ordering of molecules and the thickne

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Sergii, Sagin, Madey Volodymyr, and Stoliaryk Tymur. "Analysis of mechanical energy losses in marine diesels." Technology Audit and Production Reserves 5, no. 2(61) (2021): 26–32. https://doi.org/10.15587/2706-5448.2021.239698.

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<em>The object of research is marine diesel engine oils, which provide lubrication, cooling and separation of friction surfaces. The subject of the research is the process of ensuring minimum mechanical losses in marine diesel engines. A problematic point in ensuring the lubrication of the cylinder-piston group and motion bearings is the lack of analytical and experimental studies that establish the relationship between the structural characteristics of engine oils and mechanical losses arising in marine internal combustion engines. The degree of orientational ordering of molecules and the thi

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18

Vatolin, Dmitry S. "Research of the possibility of increasing the detonation stability of a marine dual-fuel diesel engine." Russian Journal of Water Transport, no. 66 (March 23, 2021): 85–98. http://dx.doi.org/10.37890/jwt.vi66.147.

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This article examined the environmental and economic prerequisites for the widespread use of dual-fuel diesel engines in the global fleet. A brief overview of the existing cycles used in marine dual-fuel diesel engines was made.. The prospects and problems of their further development were also considered. The basis of the article is the study of a possible increase in the detonation resistance of dual-fuel diesels through the use of a strong Miller cycle. The research was conducted using the software of the leading company in the field of design and engine building AVL List GmbH. As a prototy

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19

Stoliaryk, Tymur. "Analysis of the operation of marine diesel engines when using engine oils with different structural characteristics." Technology audit and production reserves 5, no. 1(67) (2022): 22–32. http://dx.doi.org/10.15587/2706-5448.2022.265868.

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The object of research is the process of lubrication of marine trunk diesel engines. The subject of research is marine diesel engine oils, which provide lubrication, cooling and separation of friction surfaces. The analysis of the operation of marine diesel engines using motor oils with different structural characteristics is carried out. The studies are carried out on Yanmar 6EY18AL diesel engines of a Multipurpose Vessel class ship with deadweight of 27540 tons. The objective of research is to determine the effect of the structural characteristics of the oil layer (contact angle and thicknes

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20

Lapin, Yuriy Alekseevich, Matvey Valer'evich Gribinichenko, and Olesya Sergeevna Portnova. "Forced torsional vibration calculation improved accuracy by means of diesel engine harmonic torque excitation better determination." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2025, no. 1 (2025): 49–62. https://doi.org/10.24143/2073-1574-2025-1-49-62.

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The issue of increasing the accuracy of calculating the resonant amplitudes of torsional vibrations of marine propulsion systems is considered. An increase in the accuracy of this calculation is being investigated by clarifying calculations of the disturbing moments of marine diesels. A brief description of the problems of calculating the disturbing moments of marine diesel engines is given. A method for calculating updated harmonic coefficients for modern marine diesel engines with variable fuel injection angle is described. The results of calculations of resonant amplitudes and measurements

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21

Sagin, Sergii, Arsenii Sagin, Yurii Zablotskyi, Oleksij Fomin, Václav Píštěk, and Pavel Kučera. "Method for Maintaining Technical Condition of Marine Diesel Engine Bearings." Lubricants 13, no. 4 (2025): 146. https://doi.org/10.3390/lubricants13040146.

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The aim of the research was to determine the impact of antifriction coatings on the technical condition of marine diesel engine bearings. Various epilams were used as antifriction coatings, with a thin layer applied to the surfaces of the bearings of the marine diesel engines 12V32/40 MAN-Diesel&Turbo. The thickness of the epilam coating adsorbed on the metal surface was controlled by ellipsometry. It was found that the thickness of the epilam layer on the surfaces of marine diesel engine bearings could reach 11.2 nm to 17.0 nm. The adsorption time required does not exceed 10 min. It was s

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22

Zacharewicz, Marcin, and Tomasz Kniaziewicz. "Model tests of a marine diesel engine powered by a fuel-alcohol mixture." Combustion Engines 189, no. 2 (2021): 83–88. http://dx.doi.org/10.19206/ce-143486.

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The paper presents the results of model and empirical tests conducted for a marine diesel engine fueled by a blend of n-butanol and diesel oil. The research were aimed at assessing the usefulness of the proprietary diesel engine model in conducting research on marine engines powered by alternative fuels to fossil fuels. The authors defined the measures of adequacy. On their basis, they assessed the adequacy of the mathematical model used. The analysis of the results of the conducted research showed that the developed mathematical model is sufficiently adequate. Therefore, both the mathematical

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23

Budurov, Mykola, Sergii Gorb, and Alexey Popovskii. "Optimization of electronic speed governors sensitivity for marine diesel engines." Eastern-European Journal of Enterprise Technologies 2, no. 8 (134) (2025): 26–35. https://doi.org/10.15587/1729-4061.2025.322851.

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The object of the study is multicylinder marine diesel installations equipped with electronic speed governors (ESGs) operating under wave disturbance conditions. Modern marine diesel engines used in ship power plants are equipped with ESGs which have the technical capability to adjust the sensitivity of the governor's input signal. This parameter allows modifying the governor’s response to high-frequency disturbances, which is a characteristic feature of diesel engine operation. However, assuming constant engine speed throughout the working cycle overly idealizes the governor’s input signal. T

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Yu, Hong Liang, Feng Shuo Xing, and Shu Lin Duan. "Numerical Simulation of Marine Diesel Ignited Natural Gas Engine Based on the Finite Volume Method." Advanced Materials Research 926-930 (May 2014): 3124–27. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.3124.

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Currently, the research of marine natural gas engine is rare, while the combustion and emission characteristics of natural gas engine are affected greatly by the diesel ignition. This paper built a finite volume combustion model of diesel ignited natural gas engine by AVL FIRE software, and compared experimental data to prove the accuracy of the model, and numerical simulation of the combustion process that the diesel ignited natural gas was carried, analyzed the combustion and emission characteristics of natural gas engines, provided a theoretical basis for the further optimize and design of

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25

Gharib, Hla, and Gyorgy Kovacs. "Reliability analysis of marine diesel engines vs. industrial diesel engines: a comparative approach." Acta logistica 11, no. 02 (2024): 325–37. http://dx.doi.org/10.22306/al.v11i2.516.

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The study presents a comparative analysis of the reliability of marine and industrial diesel engines, emphasizing the role of heat exchangers. Diesel engines in marine vessels and industrial applications face distinct challenges, influencing their reliability. This paper examines these differences, focusing on operational conditions, load profiles, redundancy, safety measures, and maintenance practices. Three types of heat exchangers (Fin fan, Plate, and Shell & Tube) are analyzed which are used in these engines. The assessment covers failure rates, Mean Time to Failure (MTTF), and the imp

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Feng, Shuo, Shirui Xu, Peng Yuan, et al. "The Impact of Alternative Fuels on Ship Engine Emissions and Aftertreatment Systems: A Review." Catalysts 12, no. 2 (2022): 138. http://dx.doi.org/10.3390/catal12020138.

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Marine engines often use diesel as an alternative fuel to improve the economy. In recent years, waste oil, biodiesel and alcohol fuel are the most famous research directions among the alternative fuels for diesel. With the rapid development of the shipping industry, the air of coastal areas is becoming increasingly polluted. It is now necessary to reduce the emission of marine engines to meet the strict emission regulations. There are many types of alternative fuels for diesel oil and the difference of the fuel may interfere with the engine emissions; however, PM, HC, CO and other emissions wi

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27

Gant, G. C., and G. J. Alves. "Progress in Electronic Control of Large Diesel Engines." Journal of Engineering for Gas Turbines and Power 112, no. 3 (1990): 280–86. http://dx.doi.org/10.1115/1.2906493.

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The general theme of the growing use of electronic systems for the control and monitoring of large diesel engines is discussed. Central to the theme is a new digital governing system for industrial, traction, and marine diesels. This new governing system is capable also of being a marine propulsion controller or engine management/protection system and thus can be a very cost-effective package. In wider use it can work under the overall control of a power management host computer and interface with engine health monitoring equipment. Experience to date with the new governor is reported and plan

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Kulagin, Andrey V. Kulagin. "Diagnosing the state of marine diesel engines by probabilistic fault recognition method." Russian Journal of Water Transport, no. 69 (December 20, 2021): 109–22. http://dx.doi.org/10.37890/jwt.vi69.220.

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Diagnostics of marine diesel engines, during the navigation of the vessel, allows you to prevent the development of an accident, perform maintenance in a timely manner, eliminate the possibility of technical failures. The wear of parts is one of the main reasons for putting a diesel engine into repair. Timely detection of the occurrence of wear according to the indications of standard monitoring devices, allows you to prevent the negative consequences of wear, perform repairs in a timely manner, eliminate the possibility of an unplanned exit of the marine diesel engine from operation. If there

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Gharib, Hla, and György Kovács. "Implementation and Possibilities of Fuzzy Logic for Optimal Operation and Maintenance of Marine Diesel Engines." Machines 12, no. 6 (2024): 425. http://dx.doi.org/10.3390/machines12060425.

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This paper explores the implementation and possibilities of utilizing fuzzy logic theory for optimal operation and early fault detection in marine diesel engines. It emphasizes its role in managing the complexity and ambiguity inherent in engine performance and preventive maintenance. Preventive maintenance is crucial for ensuring the reliability and longevity of marine diesel engines. Implementing fuzzy logic control (FLC) systems can enhance the preventive maintenance strategies for these engines, leading to reduced downtime, lower maintenance costs, and improved overall performance. Through

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Visan, Nicolae Adrian, Razvan Carlanescu, Dan Catalin Niculescu, and Radu Chiriac. "Study on the Cumulative Effects of Using a High-Efficiency Turbocharger and Biodiesel B20 Fuelling on Performance and Emissions of a Large Marine Diesel Engine." Journal of Marine Science and Engineering 10, no. 10 (2022): 1403. http://dx.doi.org/10.3390/jmse10101403.

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The marine sector represents probably the most powerful segment of international transport. Most ships use diesel engines for propulsion. Pollutant emission regulations with their continuous decline of acceptable limits put huge pressure on engine manufacturers. The use of low-quality fuels makes the marine sector a significant contributor to global pollution. The present study shows how turbocharger operating parameters and replacing diesel fuel with biodiesel B20 (20% oil and 80% diesel volumetric fractions) affect the performance, efficiency and pollutant emissions of a four-stroke diesel e

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Wang, Haiyan, Zihan Wang, and Biao Shi. "Research on Data-Driven Performance Assessment and Fault Early Warning of Marine Diesel Engine." Applied Sciences 15, no. 11 (2025): 6299. https://doi.org/10.3390/app15116299.

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To enable proactive prediction of marine diesel engine failure time and root causes, thereby reserving sufficient time for maintenance, this study proposes a data-driven multi-algorithm integration framework for performance assessment and fault early warning in marine diesel engines. By integrating the SSD (steady-state detection) algorithm, a data-driven CLIQUE clustering algorithm was chosen for automatic multi-parameter high-dimensional running condition partitioning. This innovative approach overcomes the limitations of traditional single-parameter approaches or dimensionality reduction te

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Zhou, Song, Yan Liu, and Jin Xi Zhou. "A Study on Exhaust Gas Emission Control Technology of Marine Diesel Engine." Advanced Materials Research 864-867 (December 2013): 1804–9. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.1804.

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This paper introduces the impact on the marine environment caused by marine diesel engine exhaust pollution and the regulations made by IMO to control the marine diesel engine emissions. And it summarizes the main technical measures to reduce SOx, NOx and particulate matter emissions from the marine diesel. It also points that the combination application of various technologies will be the research direction to reduce the emission of marine diesel engine in the future.

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Shcherban, P. S., E. V. Mazur, and S. N. Mazur. "The process parameter matrix method in controlling marine engine wear dynamics." Industrial laboratory. Diagnostics of materials 88, no. 9 (2022): 47–52. http://dx.doi.org/10.26896/1028-6861-2022-88-9-47-52.

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Determination of the analytical relationship between real time changes in the quality characteristics of motor oils and an assessment of the state of the mechanism units subjected to friction is important when predicting the tribological characteristics of marine diesel engines. Changes in the lubricant parameters reflect the current technical condition of the engine components and assemblies. A method of process parameter matrix (PPM) is proposed to control the wear dynamics of a marine diesel engine. PPM is used to process statistical data on the performance of oils used in a MAN B&W Die

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Yusha, V. L., G. I. Chernov, I. D. Obukhov, et al. "Multipurpose conversion of marine diesel engines when creating piston motor-compressor units." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 5, no. 3 (2021): 14–22. http://dx.doi.org/10.25206/2588-0373-2021-5-3-14-22.

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This paper present an assessment of the energy efficiency of various combinations of piston stages of an internal combustion engine, a compressor, and a Rankine engine as part of piston motor-compressor units based on modernized marine diesel engines. An eight-cylinder single-row diesel engine 8Ch23/30-1 is chosen as the object of research, the base of which is used as a single platform for creating powertechnology units for various purposes and power. The proposed variants for converting the original engine allow, with minimal costs for the development of design and manufacturing technology,

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35

Girtler, Jerzy. "A Model of Fuel Combustion Process in The Marine Reciprocating Engine Work Space Taking Into Account Load and Wear of Crankshaft-Piston Assembly and The Theory of Semi-Markov Processes." Polish Maritime Research 23, no. 3 (2016): 50–57. http://dx.doi.org/10.1515/pomr-2016-0031.

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Abstract The article analyses the operation of reciprocal internal combustion engines, with marine engines used as an example. The analysis takes into account types of energy conversion in the work spaces (cylinders) of these engines, loads of their crankshaft-piston assemblies, and types of fuel combustion which can take place in these spaces during engine operation. It is highlighted that the analysed time-dependent loads of marine internal combustion engine crankshaft-piston assemblies are random processes. It is also indicated that the wear of elements of those assemblies resulting from th

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Konyukov, Viacheslav L. "Design assessment of the range of permissible operation modes of a marine two-stroke diesel engine." Russian Journal of Water Transport, no. 78 (March 20, 2024): 97–106. http://dx.doi.org/10.37890/jwt.vi78.418.

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In the practice of operating marine diesel engines, as a limiting characteristic for mechanical stress, a characteristic corresponding to a constant effective torque, which is proportional to the average effective pressure, is used. There is no such unambiguity regarding the restrictive characteristics of thermal intensity. Limitations on the thermal stress of a diesel engine depend on its design features and the efficiency of the cooling system of the cylinder-piston group. At the diesel engine design stage, it is important to assess in advance whether the operational characteristics correspo

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Jung, Kyun-Sik, Jin-Uk Lee, Jin-Ah Jung, and Jae-Sung Choi. "Estimation of Engine Output for Marine Diesel Engines." Journal of the Korean Society of Marine Engineering 35, no. 4 (2011): 436–42. http://dx.doi.org/10.5916/jkosme.2011.35.4.436.

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Türközü, Batuhan, Yusuf Uzun, Cihan Büyük, and Miraç Öztürk. "Design, Analysis and Optimization of Fin-and-Tube Type Heat Exchanger in Marine Diesel Engine." European Journal of Research and Development 3, no. 4 (2023): 42–54. http://dx.doi.org/10.56038/ejrnd.v3i4.337.

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Despite diesel engine technology seems close to be ending with decrease of electrical vehicles, it still has potential in marine, heavy-duty, and industrial areas. Marine diesel engines are frequently encountered in yachts, towing boats, and sailing boats. The cooling fluid is sea water in marine engines. The engine coolant water is cooled by shell and tube heat exchangers. Charge air is cooled by fin-and-tube type heat exchangers. In this study, fin-and-tube type heat exchanger’s design and flow analysis were investigated for the prototype six-cylinder inline engine. Heat exchanger’s header g

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Madey, Volodymyr. "Assessment of the efficiency of biofuel use in the operation of marine diesel engines." Technology audit and production reserves 2, no. 1(64) (2022): 34–41. http://dx.doi.org/10.15587/2706-5448.2022.255959.

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The object of research is the process of operation of marine diesel engines using biodiesel fuel. The subject of research is the process of experimental determination of the optimal concentration of biodiesel fuel in a mixture with fuel of petroleum origin. At the same time, a simultaneous maximum increase in environmental and minimum decrease in the economic parameters of the operation of a marine diesel engine should be ensured. The studies were carried out on Hyundai Heavy Industries 5H17/28 marine diesel engines. Three such diesel engines were part of the power plant of a specialized marin

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Yu, Zhi Min, Shi Hai Zhang, and Shi Xun Jiang. "Research for the Crack Dynamic Monitoring of Marine Diesel Engine." Applied Mechanics and Materials 556-562 (May 2014): 3107–11. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.3107.

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crankshaft is one of the most important parts and crankshaft fatigue fracture is a major failure. In order to alert fatigue fracture of crankshaft to prevent accidents, diesel engine crankshaft dynamic monitoring based on the actual situations of diesel engines, significance of dynamic balance for marine diesel engine crankshaft system is discussed and as well vibration monitoring and field dynamic balance system for diesel engine crankshaft system is constructed. The least square method is applied to fit fundamental frequency vibration signals of crankshaft system and the field dynamic balanc

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Guo, Lei, Zai Zhong Wang, and Hong Zhao Lin. "Fuel Consumption Modeling for Medium Speed Marine Diesel Engine." Advanced Materials Research 1070-1072 (December 2014): 1785–89. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.1785.

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To predict accurately the fuel consumption rate of a diesel engine, based on polynomial fitting curve method, combined with the test data of XCW6200ZC medium speed marine diesel engine used for inland ships, a diesel engine fuel consumption model about characteristic coefficient and speed under the propulsion characteristic was established. The marine diesel engine fuel consumption were calculated and predicted through this model. The results showed that the model can predict the fuel consumption of diesel engine well.

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Noh, Kichol, and Changhee Lee. "Development of an Ignition System and Assessment of Engine Performance and Exhaust Characteristics of a Marine Gas Engine." Sustainability 13, no. 8 (2021): 4097. http://dx.doi.org/10.3390/su13084097.

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In recent years, marine engine manufacturers have become increasingly interested in gas engines as an alternative to diesel engines to address rising crude oil prices and environmental regulations. In this study, a 1.6 MW dedicated gas engine was developed based on a diesel engine with bore 220, stroke 300. The developed gas engine had a precombustion chamber and exhibited excellent performance; the brake mean effective pressure was 2.1 MPa at 1000 rpm and NOx emissions were 50 ppm under 15% O2. In particular, it demonstrated excellent fuel economy with a thermal efficiency of 45%, and its car

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Matiæ, Petar, Radovan Antoniæ, and Ivan Komar. "MARINE DIESEL ENGINE GOVERNOR IDENTIFICATION." IFAC Proceedings Volumes 40, no. 17 (2007): 385–89. http://dx.doi.org/10.3182/20070919-3-hr-3904.00067.

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Lalić, Branko, Ivan Komar, and Đorđe Dobrota. "Structural Modifications for Improving the Tribological Properties of the Cylinder Unit in Two-stroke Slow Speed Marine Diesel Engines." Transactions on Maritime Science 1, no. 2 (2012): 89–95. http://dx.doi.org/10.7225/toms.v01.n02.004.

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Increasing the energy efficiency of the marine propulsion systems currently represents one of the priorities that have been placed in front of all subjects of maritime shipping market. More and more ship owners aspired to larger and more powerful diesel engines demanded from the marine engine manufacturers to implement various technological modifications to increase the engine efficiency, extend the life of engine components, and thus prolonge regular overhauling period of them. One of the way to meet these demands, among other things, is to improve the tribological characteristics of engine c

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Jintao, YAN, CHEN Yanqiao, and XIONG Caofengshou. "Research and Optimization of Marine Diesel Engine Index System." MATEC Web of Conferences 175 (2018): 03033. http://dx.doi.org/10.1051/matecconf/201817503033.

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Aiming at the quality evaluation of diesel engine, this paper analyzes the influence factors of diesel engine quality from the function and general quality of diesel engine, and establishes the detailed index system of diesel engine quality evaluation, which covers all aspects of diesel engine quality. Finally, the degree of discrimination is sorted by the entropy weight theory, and the indexes are optimized and screened.

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Sunarsih, Izzuddin Nur, and Agoes Priyanto. "Marine Diesel Engine Simulator for Self-Propulsion Test in Evaluating the Fuel Saving Rate." Applied Mechanics and Materials 799-800 (October 2015): 870–75. http://dx.doi.org/10.4028/www.scientific.net/amm.799-800.870.

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As the vessel operates in the rough open seas, a marine diesel engine simulator which engine rotation is controlled to transmit through propeller shaft is a new methodology for the self-propulsion tests to track the fuel saving in a real time. Considering the circumstance, this paper presents the real time of marine diesel engine simulator system to track the real performance of a ship through computer-simulated model. A mathematical model of marine diesel engine and the propeller are used in the simulation to estimate fuel rate, engine rotating speed, thrust and torque of the propeller thus a

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Ren, Hong Ying, Pei Ting Sun, Tong Li, Gui Tao Wu, and Lian Zhong Huang. "Simulation on Disturbance Characteristics of Marine Diesel Engine with Wing-Assisted System." Advanced Materials Research 347-353 (October 2011): 3564–70. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.3564.

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In order to research on the disturbance characteristics of marine diesel engine with wing-assisted system, mathematical models of ship, diesel engine, propeller and wing were established. Disturbance characteristics of marine diesel engine which using the wing-assisted system was simulated by matlab/simulink software. The output torque and speed curves of the marine diesel engine at different conditions were obtained, by inputting different wing thrust fluctuation signal. The results can provide some reference value to the wing-assisted technology in the application of ocean transport ships, a

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Ma, Zhongmin, Yuanyuan Yang, Peiting Sun, et al. "Analysis of Marine Diesel Engine Emission Characteristics of Different Power Ranges in China." Atmosphere 12, no. 9 (2021): 1108. http://dx.doi.org/10.3390/atmos12091108.

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In order to accurately assess China’s port air pollution caused by the shipping industry, two main methods can be used to calculate the emissions of ships, including the method based on ship fuel consumption and the method based on ship activities. Both methods require accurate diesel engine emission factors, or specific emissions. In this paper, the emission characteristics of NOX, CO, CO2 and THC from 197 domestic marine diesel engines were tested under bench test conditions by a standard emission measurement system. The diesel engines were divided into six Classes, A~F, according to their p

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Varbanets, R., D. Minchev, Y. Kucherenko, and V. Zalozh. "REAL-TIME PARAMETRIC DIAGNOSTICS OF MARINE DIESEL ENGINES." Internal Combustion Engines, no. 1 (September 2, 2024): 69–75. http://dx.doi.org/10.20998/0419-8719.2024.1.09.

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Using modern high-performance microcontrollers with wireless interfaces, built-in ADC and low overall consumption, it is possible to develop a portable real-time parametric diagnostic system for marine engines. The system is based on the use of modern Android/iOS gadgets that receive information from sensors via Bluetooth and then make the necessary calculations and display charts and data in real time. The system being developed uses a combination of a gas pressure sensor in the working cylinder and a vibroacoustic sensor, which expands the diagnostic capabilities of marine diesel engines und

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Wen, Shuang, Xiao Qu, and Yu Liang Zhu. "Study on Recovery System for Marine Diesel Engine Waste Heat." Advanced Materials Research 912-914 (April 2014): 795–98. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.795.

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Firstly, this paper briefly introduces the Utilization status on marine diesel engine waste heat recovery. Combined with the characteristics of waste heat caused by marine diesel engine and technology of organism Rankine cycle, the paper designs a new waste heat recovery system for marine diesel engine based on organism Rankine cycle, And through researching the changes of temperature between marine diesel engine waste heat and the system working medium, pure organism R123, R245fa or R134a are selected as system's cycle fluid because of environmentally friendly and cycle performance more appro

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