Effect of Hydrogen Addition into Methane-Air Mixture on Combustion Pressure

Abstract:

To get the effect of hydrogen addition under different initial pressures, different initial temperatures and different initial equivalence ratios on combustion pressure, relevant tests of methane-hydrogen-air mixture have been carried out in constant volume combustion bomb. The results showed that higher initial temperature and lower initial pressure is helpful to get higher flame propagation velocity while other initial conditions keep invariable; as hydrogen blend ratio increases, both maximum combustion pressure and maximum rate of pressure rise increase, with the appearance time obviously earlier and cycle-to-cycle variation obviously lower.

• Periodical: Advanced Materials Research (Volumes 433-440)
• Pages: 166-171
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.433-440.166
• Online since: January 2012
• Authors: Xiao Lei Bai, Anna Zheng, Na Sun, Hong Guang Zhang, Xue Jiao Han
• Keywords: Cycle-to-Cycle Variation, Hydrogen Blend Ratio, Maximum Combustion Pressure, Maximum Rate of Pressure Rise

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