Generation of hydrogen containing gas on board a vehicle

Kamenev, V. F.; Фомин, В. М.; Apelinskiy, D. V; Khergeledgi, M. V

doi:10.17816/2074-0530-68332

Cited by 2 publications

(3 citation statements)

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“…In the second stage, the converted fuel is burned. This releases additional thermal energy accumulated during the conversion process [8][9][10].…”

Section: Means For Implementing the Methodsmentioning

confidence: 99%

“…There is an extensive raw material base for increasing its production and much wider energy use in transport [16][17][18]. Materials Research, Chemical and Petrochemical Production When developing the system, the already known technologies for converting methanol on board a vehicle can be used [8]. At the same time, the theoretical foundations of increasing the energy characteristics of alternative fuel due to its chemical transformation remain poorly understood in modern research practice.…”

Section: Means For Implementing the Methodsmentioning

confidence: 99%

“…The process of thermocatalytic conversion of an alternative fuel is feasible using a catalyst at certain operating temperatures, for example, for methanol not lower than 280 ... 300 ° C [8]. The specified limitation determines the minimum temperature level of the engine exhaust gases, below which the conversion process is not implemented.…”

Section: Evaluation Of the Effectiveness Of The Implementation Of The...mentioning

confidence: 99%

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Method for Converting the Energy Characteristics of Alternative Fuels

Фомин

Apelinskiy

2023

MSF

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The article analyzes the reasons hindering the mass use of alternative fuels in the field of energy consumption of domestic transport, which for the most part have lower energy and kinetic indicators of combustion in comparison with traditional fuels. A new approach to solving the problem of improving the environmental and energy-saving indicators of combustion of alternative fuels based on their preliminary thermochemical processing - conversion on board a vehicle is presented. The results of a preliminary analytical study of the parameters of the on-board conversion process for a number of potentially acceptable types of alternative fuels are presented in order to assess the efficiency of this process. The possibility of practical implementation of the proposed process for improving the combustion indicators of alternative fuel with an assessment of its efficiency was tested based on the results of experimental approbation in the conditions of full-scale engine tests. According on the results of the study, the expediency of using this process in transport technologies is justified due to the technical simplicity of its implementation and efficiency. Thermocatalytic reactor is the simplest design of a heat exchanger, the mass and dimensional characteristics of which (in the volume of a conventional muffler) ensure the convenience of its installation in the engine exhaust system. The component composition of these products contains reactive compounds that contribute to the improvement of environmental and energy-saving indicators of the fuel combustion process, and an increase in the efficiency of the engine's operating cycle.

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“…In the second stage, the converted fuel is burned. This releases additional thermal energy accumulated during the conversion process [8][9][10].…”

Section: Means For Implementing the Methodsmentioning

confidence: 99%

Section: Means For Implementing the Methodsmentioning

confidence: 99%

Section: Evaluation Of the Effectiveness Of The Implementation Of The...mentioning

confidence: 99%

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Method for Converting the Energy Characteristics of Alternative Fuels

Фомин

Apelinskiy

2023

MSF

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Innovative developments on the use of hydrogen in transport internal combustion engines and power plants

Shabanov,

Dunin,

Vanin

2023

Izvestiya MGTU MAMI

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BACKGROUND: Innovative technologies and design solutions aimed at using hydrogen in internal combustion engines and hydrogen power plants are reviewed in the paper. The advantages of hydrogen fuel are shown and the main problems that Western automakers face and which determine the ways to solve problems in road transport are identified. In this regard, the method of using hydrogen energy in internal combustion engines and hydrogen power plants becomes a decisive factor. AIMS: Search for a reasonable and effective method of using hydrogen in transport. METHODS: The technologies of hydrogen production with the electrolysis method and on-board generation of hydrogen using hydrogen-containing components are considered. It is proposed to use ammonia as a hydrogen carrier reagent for operation in dual-fuel diesel internal combustion engines. RESULTS: It is noted that ammonia, with a high level of hydrogen content in the molecule, is relatively safe, has a low cost and a significant volume of production. It is easier to store and transport compared to hydrogen. For internal combustion engines operating on hydrocarbon fuel, the use of ammonia and hydrogen, its derivative product, is attractive due to the need to remove highly toxic nitrogen oxides containing in the exhaust gases of diesel internal combustion engines. One of the main problems of creating an environmentally friendly diesel engine associated with reducing the NOx content to an environmentally safe level is considered. A positive factor of using ammonia is the on-board production of hydrogen in the thermal reactor, as well as the possibility of organizing an effective process of neutralizing nitrogen oxides in a diesel engine. CONCLUSIONS: The use of ammonia to generate hydrogen allows the diesel engine to implement the process of selective reduction of nitrogen oxides when ammonia is injected into the combustion chamber at the exhaust stroke. This method will significantly increase the efficiency of NOx neutralization in a diesel internal combustion engine due to the possibility of temperature regulation of the NOx neutralization reaction directly in the cylinder and in the exhaust system of the internal combustion engine.

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Generation of hydrogen containing gas on board a vehicle

Cited by 2 publications

References 1 publication

Method for Converting the Energy Characteristics of Alternative Fuels

Method for Converting the Energy Characteristics of Alternative Fuels

Innovative developments on the use of hydrogen in transport internal combustion engines and power plants

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