Design of an Adaptive Control to Feed Hydrogen-Enriched Ethanol-Gasoline Blend to an Internal Combustion Engine

Table 2

Nomenclature.

Symbols		Throttle flow area,
		Hydrogen gas
		Liquid water
		Current,
		Current density,
		Cylinder port fuel flow,
		Residual mass,
		Number of cells in series per stack
		Oxygen gas
		Atmosphere temperature,
Constants		Faraday constant,
		Ratio of specific heats,
		Atmosphere pressure,
		Constant air,
		Fuel evaporation time constant
		2 number of electrons