Development of a Quasi-dimensional Model for Predicting the Combustion Process of Hydrogen-enriched Gasoline Engines

JI Chang-wei; GAO Bin-bin; LIU Xiao-long; WANG Shuo-feng; YANG Jin-xin

Journal of Beijing University of Technology > 2014 > 40(12): 1863-1868.

JI Chang-wei, GAO Bin-bin, LIU Xiao-long, WANG Shuo-feng, YANG Jin-xin. Development of a Quasi-dimensional Model for Predicting the Combustion Process of Hydrogen-enriched Gasoline Engines[J]. Journal of Beijing University of Technology, 2014, 40(12): 1863-1868.

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Development of a Quasi-dimensional Model for Predicting the Combustion Process of Hydrogen-enriched Gasoline Engines

Key Laboratory of Beijing on Regional Air Pollution Control, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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Received Date: March 30, 2014
Available Online: January 10, 2023

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Abstract

To study the combustion performance of hydrogen-enriched gasoline engine under different operating conditions, a quasi-dimensional model for predicting the combustion behavior in hydrogenenriched gasoline engines was developed and validated. In this model, the two-zone thermodynamic differential equations were established based on the ideal gas equations and conservation equations of mass and energy for the burnt and unburned zones, respectively. The heat release rate was determined by the turbulence entrainment model. The laminar flame speed correlation of hydrogen-gasoline blends was implemented in this model to characterize the variation of combustion properties after hydrogen addition.The numerical analysis code MATLAB was used to solve the differential equations. The predicting accuracy of the proposed model was evaluated through the comparison with experimental results under different hydrogen volume fractions, equivalence ratios, and manifolds absolute pressures. The comparison results confirm that the proposed model can capture the combustion behavior of the hydrogenenriched gasoline engine for various operating conditions.
- gasoline,
- hydrogen,
- quasi-dimensional model,
- engine,
- combustion

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