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Journal articles on the topic 'Internal combustion engine simulation'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Thompson, Bradley, and Hwan-Sik Yoon. "Internal Combustion Engine Modeling Framework in Simulink: Gas Dynamics Modeling." Modelling and Simulation in Engineering 2020 (September 3, 2020): 1–16. http://dx.doi.org/10.1155/2020/6787408.

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With advancements in computer-aided design, simulation of internal combustion engines has become a vital tool for product development and design innovation. Among the simulation software packages currently available, MATLAB/Simulink is widely used for automotive system simulations, but does not contain a comprehensive engine modeling toolbox. To leverage MATLAB/Simulink’s capabilities, a Simulink-based 1D flow engine modeling framework has been developed. The framework allows engine component blocks to be connected in a physically representative manner in the Simulink environment, reducing mod

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2

Ji, Yan Ping, Ping Sun, and Si Bo Zhao. "Analysis of Temperature Field of High Speed Diesel Engine Parts and their Structural Optimization." Applied Mechanics and Materials 490-491 (January 2014): 1003–7. http://dx.doi.org/10.4028/www.scientific.net/amm.490-491.1003.

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The analysis of structure and performance of internal combustion engine is presented in this paper from the following two aspects: the thermal load of I. C. Engine and the thermal efficiency of diesel engines. Firstly, the thermal load of key parts of I. C. Engine as well as the evaluation parameters of which are introduced briefly. Furthermore, based on the factors influencing the heat transfer process of internal combustion engine, the current research situation of internal combustion engine work process and heat balance for combustion chamber components, and the whole engine using numerical

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3

Shang, Huichao, Li Zhang, Bin Chen, and Xi Chen. "Experimental test and thermodynamic analysis on scaling-down limitations of a reciprocating internal combustion engine." Science Progress 103, no. 3 (2020): 003685042093573. http://dx.doi.org/10.1177/0036850420935731.

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Due to the enormous energy densities of liquid hydrocarbon fuels for future utilization on micro scale, there is a concern about the feasibility of scaling down reciprocating internal combustion engines from small scale to meso scale. By building a specialized test bench, the performance and combustion characteristics of a miniature internal combustion engine with a displacement of 0.99 cc were tested, and the thermodynamic simulation was carried out to achieve a more complete understanding of in-cylinder mass and energy change of the miniature internal combustion engine. The miniature interna

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4

Zhang, Liang Feng, Ji Ming Yi, and Jin Yang. "The 3D Parametric Modeling and Simulation of SL1126 I.C.Engine." Applied Mechanics and Materials 422 (September 2013): 132–35. http://dx.doi.org/10.4028/www.scientific.net/amm.422.132.

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Based on SL1126 internal combustion engine, using development mode based on secondary development with the underlying language (VC++6.0) and large scale software package, we study the overall structure of simulation system of internal combustion engine assembling, and build the parameterized model of internal combustion engine. And then, with the model, we perform transient analysis on the crank-link mechanism of the internal combustion engine via many-body dynamics, getting the life, velocity and change pattern of acceleration of piston. The analysis data can direct the improvement of interna

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5

Miyano, T., and M. Hubbard. "Internal Combustion Engine Intake-Manifold Aspiration Dynamics." Journal of Dynamic Systems, Measurement, and Control 112, no. 4 (1990): 596–603. http://dx.doi.org/10.1115/1.2896184.

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A model is developed for simulating and predicting the dynamics of intake-manifolds for automotive internal combustion engines. A thermodynamic control volume approach and bond graphs are used to derive mass and energy conservation equations. Simulation outputs include time histories of pressure, temperature, mass flow, energy flow, heat flow and overall volumetric efficiency. Cylinder pressure when the intake valve closes is intensively examined because it determines the volumetric efficiency. Increases in volumetric efficiency result from increases in pressure caused by dynamic effects. Volu

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6

Shalahuddin, Lukman, Adityo Suksmono, and Yohanes P. Sembiring. "PREDICTION OF INTERNAL COMBUSTION ENGINE PERFORMANCE USING ARTIFICIAL INTELLIGENCE." Majalah Ilmiah Pengkajian Industri 14, no. 2 (2020): 153–62. http://dx.doi.org/10.29122/mipi.v14i2.4164.

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The potential of artificial intelligence (AI) application for prediction of internal combustion engine performance is assessed in this paper. A literature survey on this subject is first reviewed, in which previous researches utilized the advance of artificial neural networks (ANN) as one type of AI. Previous works commonly obtained the data from experimental engine tests. Under the same engines, they varied the fuel compositions or the engine operating conditions. Whereas in this study, an ANN model is developed to calculate the inputs from an engine simulation software package database and t

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7

STEPANENKO, Denys, and Zbigniew KNEBA. "Thermodynamic modeling of combustion process of the internal combustion engines – an overview." Combustion Engines 178, no. 3 (2019): 27–37. http://dx.doi.org/10.19206/ce-2019-306.

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The mathematical description of combustion process in the internal combustion engines is a very difficult task, due to the variety of phenomena that occurring in the engine from the moment when the fuel-air mixture ignites up to the moment when intake and exhaust valves beginning open. Modeling of the combustion process plays an important role in the engine simulation, which allows to predict in-cylinder pressure during the combustion, engine performance and environmental impact with high accuracy. The toxic emissions, which appears as a result of fuels combustion, are one of the main environm

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8

Sridhar, Kota. "Computerised Simulation of Spark Ignition Internal Combustion Engine." IOSR Journal of Mechanical and Civil Engineering 5, no. 3 (2013): 5–14. http://dx.doi.org/10.9790/1684-0530514.

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9

Kovács, László, and Szilárd Szabó. "Test validated 0D/1D engine model of a swinging valve internal combustion engine." Multidiszciplináris tudományok 11, no. 4 (2021): 266–77. http://dx.doi.org/10.35925/j.multi.2021.4.31.

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In the quest for reaching ever higher power density of IC engines a much simpler solution has been investigated that allows vehicles to reach a comparable power level with cars equipped with turbo charged engines. The new Swinging Valve (SwV) arrangement enables the unhindered gas exchange process through an engine. In this experiment a flow bench was used to examine a normal poppet valve cylinder head and a cylinder head constructed for the same engine but with Swinging Valves. The flow parameters of the original cylinder head were obtained then the SwV head was investigated in the same way.

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10

Shi, Yan, Yong Feng Liu, and Xiao She Jia. "Simulation for the Combustion System Work Process in Internal Combustion Engine." Applied Mechanics and Materials 644-650 (September 2014): 394–97. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.394.

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In order to simulate the combustion system work process for an internal combustion engine accurately,the paper simulates the combustion process which based on the modified 4JB1 engine and used the KIVA-3V software. Variables such as cylinder pressure, cylinder temperature, NOX and SOOT emission are predicted and analyzed by using single injection strategy.It was found that the production of NOX begins from the moderate burning period, reaches a peak quickly and keep constant. The production of SOOT is mainly in the late of fast burning period to the moderate burning period and most of the SOOT

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11

Pielecha, Ireneusz, and Jerzy Merkisz. "Optimizing the Shape of a Compression-Ignition Engine Combustion Chamber by Using Simulation Tests." Polish Maritime Research 26, no. 3 (2019): 138–46. http://dx.doi.org/10.2478/pomr-2019-0054.

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Abstract Modern solutions used in compression-ignition internal combustion engines are quite similar to each other. The use of high-pressure, direct fuel injection results in high combustion rates with controlled exhaust emissions. One of the combustion system quality criteria is to obtain adequately high thermodynamic indicators of the combustion process, which are obtained through, among others, the right combustion chamber geometry. Its shape influences the fuel atomization process, turbulence of fuel dose, evaporation and the combustion process. Optimizing the combustion chamber shape is o

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12

Magdas, V. B., D. C. Mastan, and N. Burnete. "Simulation possibilities of the internal combustion engine management elements using Lotus Engine Simulation software." IOP Conference Series: Materials Science and Engineering 997 (December 25, 2020): 012121. http://dx.doi.org/10.1088/1757-899x/997/1/012121.

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13

Buruiana, Daniela Laura, Adrian Sachelarie, Claudiu Butnaru, and Viorica Ghisman. "Important Contributions to Reducing Nitrogen Oxide Emissions from Internal Combustion Engines." International Journal of Environmental Research and Public Health 18, no. 17 (2021): 9075. http://dx.doi.org/10.3390/ijerph18179075.

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Nitrogen oxides are considered significant pollutants because of their effects on ecosystems and human health. The amount of NOx emitted by internal combustion engines can be reduced, mostly by acting on the conditions in which combustion takes place, respectively by lowering the peak flame temperature, reducing the excess of oxygen, etc. The homogeneous charge compression ignition (HCCI) engine represents a new technology that can simultaneously reduce NOx emissions and fuel consumption. This article presents these benefits of the HCCI engine by comparing the emissions and fuel consumption of

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14

Yu, Yun Liang, Zhong Yi Wang, Shu Guang Chu, and Jia Han. "Temperature Field Numerical Simulation on the Exhaust Silencer with Adiabatic Envelope." Applied Mechanics and Materials 66-68 (July 2011): 1823–27. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.1823.

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Exhaust noise is the major noise source of the internal combustion engines, and the exhaust silencer is the device to reduce the exhaust noise. Exhaust gas of the internal combustion engine is high-temperature, therefore in the study of internal combustion engine exhaust silencer, the surface temperature’s influence on the surrounding adjacent facilities should be controlled to a certain range and the status of the temperature field depends on the material and structure of the adiabatic envelope. The model of exhaust silencers discussed in this article is fluid-solid interaction model and this

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15

Thornhill, M., S. Thompson, P. O'Reilly, and C. Gong. "A Real-Time Simulation of an Internal Combustion Engine." IFAC Proceedings Volumes 29, no. 1 (1996): 7772–77. http://dx.doi.org/10.1016/s1474-6670(17)58942-9.

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16

Malozemov, A. A., D. V. Kozminykh, G. A. Malozemov, and A. V. Shavlov. "Simulation model for predicting reciprocating internal combustion engine wear." IOP Conference Series: Materials Science and Engineering 1047, no. 1 (2021): 012010. http://dx.doi.org/10.1088/1757-899x/1047/1/012010.

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17

Liu, Jing, Jing Tao Han, and Jin Chun Deng. "Simulation and Test for Turbine Air Powered Engine." Advanced Materials Research 945-949 (June 2014): 2810–14. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2810.

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Turbine Air Powered Engine (TAPE) is a new type engine which has the character of zero emission, no pollution. Mathematical models of TAPE were established by the method of exergy analysis, the overall exergy and the exergy loss after reduced pressure with throttling were simulated in this paper. The results show that the maximum exergy loss of system is 60% during the process of reduced pressure with throttling, so the type of throttling decompression is not suitable for the system of TAPE which has bigger pressure reducing ratio. The results of bench test indicate that output power increases

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18

Maza Rubina, Arturo, and Lastra Espinoza Luis. "APLICACIÓN DE UN PROGRAMA DE CÁLCULO TÉRMICO PARA COMPROBAR EL FUNCIONAMIENTO DE UN MOTOR DIESEL PERKINS MODELO C4.236.V - GASODIESEL MEDIANTE ANÁLISIS COMPARATIVO." Revista Cientifica TECNIA 24, no. 2 (2017): 56. http://dx.doi.org/10.21754/tecnia.v24i2.41.

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Este trabajo de investigación, se realizó en la ciudad de Lima y trata, sobre el desarrollo y aplicación de un programa en base al cálculo térmico; para determinar los parámetros de funcionamiento del motor de combustión interna de uso automotriz mediante la simulación de los distintos procesos que tienen lugar en los motores, los cuales permiten establecer los índices previsibles del ciclo de funcionamiento de un motor de combustión interna de tipo gasodiesel (GLP+D2). El desenvolvimiento del cálculo térmico, con respecto al comportamiento del motor trabajando como gasodiesel, es validado y c

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19

Farzaneh-Gord, Mahmood, and Hamid Hajializadeh. "Combined Simulation of Spark Ignition Internal Combustion Engines and Heat Conduction within Piston." Journal of Algorithms & Computational Technology 3, no. 3 (2009): 363–78. http://dx.doi.org/10.1260/174830108788251755.

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A combined thermodynamic simulation and transient conduction heat transfer through piston has been carried out in this study. In thermodynamic simulation, A computer programme has been developed to study the full operation cycle of a four stroke internal combustion engine. The simulation used to calculate the pressure and temperature field existing in realistic engine combustion chambers for various engine parameters. The one dimensional conduction heat transfer equation has been solved numerically. The results show a good agreement with previous studies where applicable.

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20

Zhao, Yan Hui, Sheng Hui Peng, and Hong Li. "Application of CAE Technology in the Simulation Design of Internal Combustion Engine Piston." Advanced Materials Research 1092-1093 (March 2015): 483–86. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.483.

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In recent years, the computer software and technology and the rapid development of finite element theory promote the internal combustion engine dynamic analysis process, greatly improving the application of the internal combustion engine complex parts of the finite element analysis of the efficiency of the precision and reliability of.CAE technology in engine design in the field of eventually allow designers to design modern engine with high performance, low emission, low fuel consumption and low noise, light weight and miniaturization.

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21

Zhao, Shu Guo, Ke Li, and Zhi Xian Gao. "Design the Piston of Internal Combustion Engine by Solidworks." Advanced Materials Research 749 (August 2013): 546–49. http://dx.doi.org/10.4028/www.scientific.net/amr.749.546.

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In recent years, digital simulation technology has been developing rapidly. Virtual piston is established by Solidworks easily. As is well-known that virtual piston can simulate the product all kinds of chatacter in the real environment. The results of simulation will be used to optimize piston design, in order to shorten the cycle, reduce the cost and improve the quality of products.

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22

Faitar, Catalin, Feiza Memet, and Nicolae Buzbuchi. "A Numerical Analysis of the Combustion and the Study of the Exhaust Gases Resulting therefrom in the Marine Engines." Revista de Chimie 70, no. 3 (2019): 929–33. http://dx.doi.org/10.37358/rc.19.3.7033.

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Maritime University of Constanta, Faculty of Naval Electromechanics, 104 Mircea cel Batran Str., 900663, Constanta, Romania Combustion inside diesel engine cylinders is the critical factor that controls the emission and combustion gases. Fuel injection in the engine cylinder is the decisive factor in the combustion of diesel engines and, consequently, combustion can be effectively controlled if the fuel injection process is efficiently controlled. From this perspective, the simulation of the complex processes of fuel injection in diesel engines in various situations can make a positive contrib

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23

Wu, Yuh-Yih, James H. Wang, and Faizan Mushtaq Mir. "Improving the Thermal Efficiency of the Homogeneous Charge Compression Ignition Engine by Using Various Combustion Patterns." Energies 11, no. 11 (2018): 3002. http://dx.doi.org/10.3390/en11113002.

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The efficiency of an internal combustion engine (ICE) is essential for automobiles and motorcycles. Several studies have demonstrated that the homogeneous charge compression ignition (HCCI) is a promising technology for realizing engines with high efficiency and low emissions. This study investigated the combustion characteristics of the HCCI using a 125 cc motorcycle engine with n-heptane fuel. The engine performance, combustion characteristics, and thermal efficiency were analyzed from experimental data. The results revealed that a leaner air–fuel mixture led to higher engine efficiency and

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24

Lauer, Thomas, and Jens Frühhaber. "Towards a Predictive Simulation of Turbulent Combustion?—An Assessment for Large Internal Combustion Engines." Energies 14, no. 1 (2020): 43. http://dx.doi.org/10.3390/en14010043.

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Frequently the question arises in what sense numerical simulation can be considered predictive if prior model tuning with test results is necessary. In this paper a summary of the present Computational Fluid Dynamics (CFD) simulation methods for in-cylinder modelling is presented with a focus on combustion processes relevant for large engines. The current discussion about the sustainability of internal combustion engines will have a strong impact on applying advanced CFD methods in industrial processes. It is therefore included in the assessment. Simplifications and assumptions of turbulence,

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25

BIAŁY, Michał, Konrad PIETRYKOWSKI, Tytus TULWIN, and Paweł MAGRYTA. "CFD numerical simulation of the indirect cooling system of an internal combustion engine." Combustion Engines 170, no. 3 (2017): 8–18. http://dx.doi.org/10.19206/ce-2017-302.

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The paper presents an analysis of the fluid flow in the cooling system of an internal combustion engine with oposite pistons.The purpose of the work was to optimize the flow of fluid through the channels located in the engine block. Simulation studies and subsequent iterations were performed using Ansys Fluent software. Two-equation k-epsilon turbulence model was used in the simulation model. Boundary and initial conditions were taken from previously made simulations conducted in AVL Boost software. The average wall temperature of the cylinder and the temperature of the outer walls of the cyli

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26

Tran Tuan, Vu, Phuong Nguyen Huy, Surasak Phoemsapthawee, and Sangkla Kreuawan. "E-Engine for a Long-Tail Boat, an Application in ASEAN (Association of Southeast Asian Nations)-Design and Comparison with Internal Combustion Engine." World Electric Vehicle Journal 12, no. 1 (2021): 36. http://dx.doi.org/10.3390/wevj12010036.

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An Electric propulsion (E-propulsion) system for ASEAN (Association of Southeast Asian Nations) long-tail boat is proposed in this article. It offers several advantages over a traditional internal combustion engine propulsion system. Besides low noise and zero-emission, characteristics of electric engine (E-engine) allow regenerative braking and starting the propeller in the water. A design of E-engine has been achieved through finite element analyses and lump-parameter thermal simulations. It shows better performances than Honda GX270 internal combustion engine in terms of volume, weight, tor

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27

Basbous, Tammam, Rafic Younes, Adrian Ilinca, and Jean Perron. "Required time response of a variable valve actuator equiping a hybrid pneumatic–combustion engine." International Journal of Engine Research 13, no. 5 (2012): 514–28. http://dx.doi.org/10.1177/1468087412450812.

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This work is a part of a research program that aims to modify a conventional internal combustion engine and turn it into a hybrid pneumatic–combustion engine. The hybrid pneumatic–combustion engine should be able to convert mechanical energy into compressed air and convert compressed air back into mechanical energy. The potential application for the concept is any use of the internal combustion engine where the load oscillates between a negative and a positive value, such as automobiles and hybrid wind diesel systems for remote area power generation. In the first application, during vehicle de

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28

Faingold, Galia, Leonid Tartakovsky, and Steven Frankel. "Numerical Study of a Direct Injection Internal Combustion Engine Burning a Blend of Hydrogen and Dimethyl Ether." Drones 2, no. 3 (2018): 23. http://dx.doi.org/10.3390/drones2030023.

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In the reported study, various aspects of dimethyl ether/hydrogen combustion in a Reactivity Controlled Compression Ignition (RCCI) engine are numerically evaluated using Reynolds Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES). Early direct injection and mixture propagation were also explored, along with peculiaritis of dimethyl ether combustion modeling. The numerical models are validated using available experimental results of a partially premixed dimethyl ether jet flames and an optically accessible internal combustion engine with direct hydrogen injection. LES showed more pr

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29

Niu, Qing Yin, Chao Fan, Xian Chen Wang, Yi Wu Zhao, and Yu Cai Dong. "Research on the Parameter Calibration of the Internal-Combustion Engine Work Process Simulation Model." Advanced Materials Research 308-310 (August 2011): 953–61. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.953.

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The computer simulation technology of the work process of internal-combustion engine is the important measure to study the internal-combustion engine, but generally, because of the uncertainty of input parameters, the precision of the simulation model of the engine work process, which largely limits the application of the simulation model, so the parameters of the simulation model needs to be calibrated. Taking the work process of the certain one type turbocharging diesel engine as the example, and combining the genetic algorithm with the ant colony algorithm, the parameter combination which c

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30

Xiang, Yang, Jiachi Yao, Qiang Zhou, Sichong Qian, and Shuai Wang. "Research on Experimental Method for Obtaining Independent Combustion Noise of Internal Combustion Engine." Shock and Vibration 2018 (November 1, 2018): 1–14. http://dx.doi.org/10.1155/2018/2413831.

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Internal combustion engine noise sources are complex and changeable. Combustion noise is usually drowned out by mechanical noise and aerodynamic noise. Traditional noise source identification methods can only qualitatively identify combustion noise. In order to quantitatively obtain the independent pure combustion noise of an internal combustion engine, it is necessary to design and build a separate noise source simulation test bench. In this paper, the combustion noise separation test bench based on transfer function method is designed and implemented. In the test, a pressure pulse device is

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31

Vasilyev, A. V., Y. S. Bakhracheva, and S. Y. Storojakov. "Dynamics Simulation Model for the Internal Combustion Engine Valve Gear." Procedia Engineering 150 (2016): 312–17. http://dx.doi.org/10.1016/j.proeng.2016.07.017.

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32

Yan, Xin Ping, Cheng Qing Yuan, Zheng Lin Liu, C. Q. Zong, and X. Q. Bai. "Study of Simulation Tester for Key Rubbing Pairs in Internal-Combustion Engine." Advanced Materials Research 97-101 (March 2010): 4359–62. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.4359.

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A simulation tester was designed which could be used to simulate the wear and vibration of the key rubbing pairs in an internal-combustion engine, such as cylinder liner-piston ring, crankshaft and sliding bearings. Its pivotal innovation is that high pressure air was adopted to simulate the explosive pressure and pressure evolution in a cylinder to accord with the real conditions. Pressure sensors, vibration accelerations sensors, oil monitoring sensors and temperature sensors were installed at many points and directions on the tester support to form an on-line condition monitoring system via

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33

Feng, Guo Yan, Yan Ping Cai, and Yan Ping He. "The Time-Frequency Analysis Method Based on EMD White Noise Energy Density Distribution Characteristics of the Internal Combustion Engine Vibration." Applied Mechanics and Materials 328 (June 2013): 367–75. http://dx.doi.org/10.4028/www.scientific.net/amm.328.367.

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For the limitations of HHT of the internal combustion engine vibration signal analysis, and the problem of WVD cross-term suppression methods existing aggregation and cross-term component suppression conflicting, the time-frequency analysis method based on EMD white noise energy density distribution characteristics of the internal combustion engine vibration is proposed. First, the internal combustion engine vibration signal was decomposed into the independent series intrinsic mode function (IMF) with different characteristic time scales by using EMD decomposition method. Then, based on the en

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34

Dai, Jian Ying, Xiao Wei Wu, and Chun Yan Shi. "Special Combustion Chamber in the Cylinder of Diesel Engine Working Process Simulation Analysis Based on the FIRE Software." Advanced Materials Research 562-564 (August 2012): 595–98. http://dx.doi.org/10.4028/www.scientific.net/amr.562-564.595.

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Exhaust noise is the main component of vehicle noise in the study of vehicle noise controlling. It is important to design a type of muffler that can match to engine and have the capability to reduce vehicle noise. At present vehicle mufflers are made by examination, therefore the time of product development is very long and it wastes material. Sometimes exhaust noise can not be reduced; in the contrary it will decrease the power of engine. The content of exhaust noise is tightly related to the temperature, pressure and velocity of combustion gas. In order to obtain the detail data of these par

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35

Doric, Jovan, and Ivan Klinar. "Efficiency of a new internal combustion engine concept with variable piston motion." Thermal Science 18, no. 1 (2014): 113–27. http://dx.doi.org/10.2298/tsci110923020d.

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This paper presents simulation of working process in a new IC engine concept. The main feature of this new IC engine concept is the realization of variable movement of the piston. With this unconventional piston movement it is easy to provide variable compression ratio, variable displacement and combustion during constant volume. These advantages over standard piston mechanism are achieved through synthesis of the two pairs of non-circular gears. Presented mechanism is designed to obtain a specific motion law which provides better fuel consumption of IC engines. For this paper Ricardo/WAVE sof

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Lucchini, T., G. D'Errico, F. Brusiani, and G. M. Bianchi. "MS2-3: A Finite-Element Based Mesh Motion Technique For Internal Combustion Engine Simulations(MS: Modeling and Simulation,General Session Papers)." Proceedings of the International symposium on diagnostics and modeling of combustion in internal combustion engines 2008.7 (2008): 671–78. http://dx.doi.org/10.1299/jmsesdm.2008.7.671.

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ANDRYCH-ZALEWSKA, Monika, Zdzisław CHŁOPEK, Jerzy MERKISZ, and Jacek PIELECHA. "Static internal combustion engine operating states in vehicle driving tests." Combustion Engines 177, no. 2 (2019): 50–54. http://dx.doi.org/10.19206/ce-2019-209.

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The article presents the compression-ignition engine test results of static operating states in driving tests: NEDC (New European Driving Cycle), RDE (Real Driving Emissions) and the Malta custom test cycle, developed at the Poznan University of Technology. The NEDC and Malta tests were carried out as drive cycle simulations on the engine test bench, the RDE test was carried out in the real driving conditions. The engine operating states are described by the physical quantities of speed and torque. For each of the tests, zero- -dimensional characteristics of the values describing the engine op

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Huo, Wei, Tie Zhu Zhang, Hong Xin Zhang, and Bo Bo Xing. "Study on Efficiency Character of Axial Internal Combustion Fluid Pump." Applied Mechanics and Materials 52-54 (March 2011): 812–17. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.812.

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Integrating traditional engine and plunger pump, a new type power equipment─Internal Combustion Fluid Pump(ICFP) was developed, through which thermal energy can be turned into hydraulic pressure directly. As a main factor affecting ICFP’s performances, efficiency is the basis to design its structure. For three-cylinder axial ICFP, it’s dynamics model was setup, and its efficiency character was studied. The simulating results show that ICFP’s effective thermal efficiency is 37.44% at calibration condition, which is higher than engine-pump system by 23.06%. For the three-cylinder ICFP, the effec

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ORCZYK, Małgorzata, and Franciszek TOMASZEWSKI. "Diagnostic and reliability model of an internal combustion engine." Combustion Engines 180, no. 1 (2020): 41–46. http://dx.doi.org/10.19206/ce-2020-107.

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The article presents a diagnostic and reliability model of an internal combustion engine that allows to assess the reliability status of the engine’s systems for a two-state model of operation and maintenance: functional – failed. The proposed diagnostic model is a qualitative-quantitative probabilistic model combining the reliability states of the engine systems with the values of the vibroacoustic diagnostic signal parameters. The conducted diagnostic and reliability experiments and simulation tests showed that based on the developed diagnostic and reliability model, it is possible to determ

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Kaplan, Halit. "Mathematical modeling and simulation of high-speed cam mechanisms to minimize residual vibrations." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 13 (2014): 2402–15. http://dx.doi.org/10.1177/0954406213519436.

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Mathematical modeling, simulation, and optimum design of equivalent one degree-of-freedom high-speed cam mechanisms used for internal combustion engines are investigated in this study. The dynamic equation governing the dynamic behavior of a typical high-speed cam–follower system of an internal combustion engine has been simplified using dimensionless analysis method. The resulting model is then used to find the optimum cam shape to reduce the residual vibrations in the follower part of the system. The Lagrange multipliers method is utilized to minimize the sum of squared error (deviation from

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Sjeric, Momir, Darko Kozarac, and Rudolf Tomic. "Development of a two zone turbulence model and its application to the cycle-simulation." Thermal Science 18, no. 1 (2014): 1–16. http://dx.doi.org/10.2298/tsci130103030s.

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The development of a two zone k-? turbulence model for the cycle-simulation software is presented. The in-cylinder turbulent flow field of internal combustion engines plays the most important role in the combustion process. Turbulence has a strong influence on the combustion process because the convective deformation of the flame front as well as the additional transfer of the momentum, heat and mass can occur. The development and use of numerical simulation models are prompted by the high experimental costs, lack of measurement equipment and increase in computer power. In the cycle-simulation

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Marudhappan, Raja, Chandrasekhar Udayagiri, and Koni Hemachandra Reddy. "Combustion chamber design and reaction modeling for aero turbo-shaft engine." Aircraft Engineering and Aerospace Technology 91, no. 1 (2018): 94–111. http://dx.doi.org/10.1108/aeat-10-2017-0217.

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Purpose The purpose of this paper is to formulate a structured approach to design an annular diffusion flame combustion chamber for use in the development of a 1,400 kW range aero turbo shaft engine. The purpose is extended to perform numerical combustion modeling by solving transient Favre Averaged Navier Stokes equations using realizable two equation k-e turbulence model and Discrete Ordinate radiation model. The presumed shape β-Probability Density Function (β-PDF) is used for turbulence chemistry interaction. The experiments are conducted on the real engine to validate the combustion chamb

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Yu, Xiao, and Zhi Jun Wu. "Simulation on Effect of EGR on Oxy-Fuel IC Engine." Applied Mechanics and Materials 130-134 (October 2011): 790–95. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.790.

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Internal combustion Rankine cycle engine uses oxygen instead of air as oxidant during the combustion process in gasoline engine. Recycled fluid is employed to control the reaction rate and recycles the exhaust heat inside the cylinder as well. CO2 could be recaptured after separated from the exhaust gas (CO2 and water vapor) during condensation, and an ultra-low emission working cycle is achieved. Considering the side effects of water injection process, EGR is employed to control the combustion process and thermal efficiency of the oxy-fuel combustion cycle is calculated and optimized in this

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Kakaee, Amirhasan, and Majid Karimi. "A Comparative Study on Influence of Natural Gas Composition on the Performance of a CNG Engine." Mapta Journal of Mechanical and Industrial Engineering (MJMIE) 2, no. 3 (2018): 9–18. http://dx.doi.org/10.33544/mjmie.v2i3.76.

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Natural gas is the cleanest fossil fuel and it has high energy conversion efficiencies for power generation in internal combustion engines. Natural gases have varying composition depending on the place where they are produced. This paper studies the effects of natural gas composition on the combustion and emissions characteristics of CNG engines and presents the overall combustion characteristics obtained from running a 1.65 L, 4-cylinder EF 7 CNG engine. Engine power, Torque, BMEP and BSFC were measured under steady state operation conditions at full load conditions. The obtained simulation r

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Feng, Wei Bin, Xi Hui Wang, and Rong Guang Liang. "Modeling of Fuel Supply for Ethanol-Gasoline Engine Based on Fuzzy PID Control." Advanced Materials Research 383-390 (November 2011): 4134–40. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.4134.

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It is complex to simulate the system with continue controlled object and discrete controller, in order to avoid the complexity, a new method to describe the continue controlled object of internal combustion engine with discrete model was given, which is based on the principle of the total energy of an isolated system is constant and the theory of heat transfer in the cylinder, for the internal combustion engine has the special cycle of operation. In the paper, an example of ethanol-gasoline internal combustion engine was given to prove the modeling way is feasible. The digital fuzzy PID contro

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Lu, Jiang, Ashwani K. Gupta, and Eugene L. Keating. "Effect of IC Engine Operating Conditions on Combustion and Emission Characteristics." Journal of Fluids Engineering 115, no. 4 (1993): 694–701. http://dx.doi.org/10.1115/1.2910201.

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Numerical simulation of flow, combustion, heat release rate, and pollutants emission characteristics have been obtained using a single cylinder internal combustion engine operating with propane as the fuel. The data show that for good agreement with experimental results on the peak pressure and the rate of pressure rise as a function of crank angle, spark ignition energy and local cylinder pressure must be properly modeled. The results obtained for NO and CO showed features which are qualitatively in good agreement and are similar to those reported in the literature for the chosen combustion c

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Haddad, Elie, David Chalet, and Pascal Chesse. "Improved throttle valve modeling for spark-ignition engine simulations." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 6 (2018): 1614–22. http://dx.doi.org/10.1177/0954407018775823.

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Automotive manufacturers nowadays are constantly working on improving their internal combustion engines’ performance by reducing the fuel consumption and emissions, without compromising the power generated. Manufacturers are therefore relying on virtual engine models that can be run on simulation software in order to reduce the amount of time and costs needed, in comparison with experiments done on engine test benches. One important element of the intake system of an internal combustion engine is the throttle valve, which defines the amount of air reaching the plenum before being drawn into th

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Raffai, Peter, Pavel Novotný, and Jozef Dlugoš. "Computer Simulation of the Behavior of the Piston Ring Pack of Internal Combustion Engines." Applied Mechanics and Materials 821 (January 2016): 166–71. http://dx.doi.org/10.4028/www.scientific.net/amm.821.166.

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The continuously tightening regulations limiting the amount of exhaust gas components of internal combustion engines force the manufacturers to further increase the effectivity of their power units. Due to the already relatively highly-developed state of engines result in the need of research and development of even smaller engine parts – e.g. piston rings. The main aim of this project was to develop a tool for the computer simulation of the behavior of the piston ring pack, which could aid the optimization process of the piston ring pack towards lowered friction losses.

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Chen, Po-Tuan, Cheng-Jung Yang, and Kuohsiu David Huang. "Dynamic Simulation and Control of a New Parallel Hybrid Power System." Applied Sciences 10, no. 16 (2020): 5467. http://dx.doi.org/10.3390/app10165467.

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To avoid unnecessary power loss during switching between the various power sources of a composite electric vehicle while achieving smooth operation, this study focuses on the development and dynamic simulation analysis of a control system for the power of a parallel composite vehicle. This system includes a power integration and distribution mechanism, which enables the two power sources of the internal combustion engine and electric motor to operate independently or in coordination to meet the different power-output requirements. The integration of the electric motor and battery-charging engi

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Charlton, S. J., and M. Shafie-Pour. "A Continuously Variable Poppet Valve Actuator for Internal Combustion Engines." Proceedings of the Institution of Mechanical Engineers, Part A: Power and Process Engineering 200, no. 3 (1986): 187–95. http://dx.doi.org/10.1243/pime_proc_1986_200_026_02.

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The paper describes a continuously variable poppet valve actuation system which may be applied to internal combustion engines to render the valve motion controllable while the engine is running. The first phase of a programme to develop the device is described. The results of a rigid-body dynamic analysis are presented followed by a dynamic simulation of the mechanism using a proprietary finite element program. These give an insight into its operation and clarify some of the problems to be solved if the device is to be successfully applied.

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