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• W4292582449 abstract "This paper discussed the methodological aspects of the study using methods of mathematical modeling of processes in ship power plants with thermochemical fuel treatment. The results of the study of physical and chemical processes in structural and functional blocks, simulating individual links of the thermodynamic cycle, are considered. The combination of blocks with links in the form of material and energy flows makes it possible to model the complete scheme of the mathematical model of the power module. Due to the diversity and complexity of the processes in the combined diesel-gas turbine power complex with a thermochemical fuel treatment system, when modeling, the characteristics of the power equipment were determined separately, followed by merging the results obtained and combining the models with links in the form of material and energy flows. Mathematical models of a gas turbine engine, a recycling circuit, a thermochemical fuel treatment unit were created using the Aspen Plus physical and chemical processes modeling system. Working processes in the internal combustion engine were modeled using the CHEMKIN software package. It has been proven that the universal mathematical models of heat engines, which are part of the power module with thermochemical fuel treatment, require adjustment of the selected basic characteristics. Therefore, mathematical models of structural-functional blocks and groups of blocks contain algorithms for setting up models when they are verified by objective functions. The proposed algorithms provide verification of the developed mathematical models in terms of existing or prospective gas turbine engines and internal combustion engines. These algorithms provide the possibility of correct adjustment of the equipment parameters of diesel-gas turbine power complexes with thermochemical fuel treatment. The mathematical model of the internal combustion engine operating cycle based on the CHEMKIN software package provides an opportunity to conduct a primary assessment of the efficiency of energy conversion in the working cylinder. The results of evaluating the adequacy of the mathematical model of the ICE operating cycle based on the CHEMKIN software package showed a satisfactory agreement between the obtained results and experimental data. The maximum root-mean-square error of the calculated data obtained on the basis of the model is within 8.5%." @default.
• W4292582449 created "2022-08-22" @default.
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• W4292582449 date "2022-08-22" @default.
• W4292582449 modified "2023-10-16" @default.
• W4292582449 title "Математичне моделювання процесів в дизель-газотурбінних енергетичних комплексах з термохімічною обробкою палива" @default.
• W4292582449 doi "https://doi.org/10.32620/aktt.2022.4sup1.11" @default.
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