Simulation of the combustion process for a CI hydrogen engine in an argon-oxygen atmosphere

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Hydrogen combustion in a noble gas atmosphere increases the combustion chamber temperature, and the high specific heat ratio of the gas increases the thermal efficiency. In this study, nitrogen was replaced by argon as the intake air along with pure oxygen to supply the engine. The objectives of this study are to determine the effects of different engine parameters on combustion and to analyse the emissions from hydrogen combustion in an argon-oxygen atmosphere. This research was conducted through simulations using CONVERGE 2.2.0 software, and the YANMAR engine NF19SK model was used to determine the basic parameters. Changing the injector location affects the pressure and temperature in the combustion chamber. With increasing compression ratio, the pressure increases more rapidly than the temperature. However, combustion at high compression ratios decreases the maximum heat release rate and increases the combustion duration. Hydrogen combustion at ambient temperatures below 1200 K follows the Arrhenius equation.

Original languageEnglish
Pages (from-to)11286-11297
Number of pages12
JournalInternational Journal of Hydrogen Energy
Volume43
Issue number24
DOIs
Publication statusPublished - 14 Jun 2018

Fingerprint

hydrogen engines
argon-oxygen atmospheres
Hydrogen engines
Argon
Oxygen
engines
simulation
compression ratio
combustion chambers
Combustion chambers
Engines
Hydrogen
hydrogen
air intakes
Temperature
thermodynamic efficiency
Air intakes
Inert gases
injectors
ambient temperature

Keywords

  • Argon-oxygen atmosphere
  • CFD
  • Compression ratio
  • Direct injection
  • Hydrogen combustion

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Simulation of the combustion process for a CI hydrogen engine in an argon-oxygen atmosphere. / Hafiz, Nik Muhammad; Abu Mansor, Mohd Radzi; Wan Mahmood, Wan Mohd Faizal.

In: International Journal of Hydrogen Energy, Vol. 43, No. 24, 14.06.2018, p. 11286-11297.

Research output: Contribution to journalArticle

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AB - Hydrogen combustion in a noble gas atmosphere increases the combustion chamber temperature, and the high specific heat ratio of the gas increases the thermal efficiency. In this study, nitrogen was replaced by argon as the intake air along with pure oxygen to supply the engine. The objectives of this study are to determine the effects of different engine parameters on combustion and to analyse the emissions from hydrogen combustion in an argon-oxygen atmosphere. This research was conducted through simulations using CONVERGE 2.2.0 software, and the YANMAR engine NF19SK model was used to determine the basic parameters. Changing the injector location affects the pressure and temperature in the combustion chamber. With increasing compression ratio, the pressure increases more rapidly than the temperature. However, combustion at high compression ratios decreases the maximum heat release rate and increases the combustion duration. Hydrogen combustion at ambient temperatures below 1200 K follows the Arrhenius equation.

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