Archive for agosto 17th, 2021

Regards time, the ultimate consumer burns a fuel whose chemical composition varies, see Figure. These variations bring problems for plant operation, whatever is the prime mover (Internal Combustion engine, gas turbine or boiler).

Methane number (MN) characterizes gaseous fuel tendency to auto-ignition. By convention, this index has a value 100 for methane and 0 for hydrogen (Leiker et al., 1972). The gaseous fuels are thus compared with a methane-hydrogen binary mixture. Two gases with same value MN have the same resistance against the spontaneous combustion.

Source:
Natural Gas : Physical Properties and Combustion Features.
By Olivier Le Corre and Khaled Loubar

Dr. Jorge Luis Mírez Tarrillo
Group of Mathematical Modeling and Numerical Simulation (GMMNS).
Universidad Nacional de Ingeniería. Lima, Perú.
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