Optimization of Fuel Cell Stack Consistency Based on Multi-Model

Table 3

Meanings of symbols.

Symbol	Meaning	Symbol	Meaning
	Molar flow rate		Inlet of the stack
	Reactant consumption rate		Outlet of the stack
	Number of cells		Anode
	Active cell area		Cathode
	Stoichiometry		Saturation
	Current density		Dragged molecules
	Pressure		Hydrogen
	Temperature		Oxygen
	Molar fraction		Water
	Wall friction coefficient		Number of segments in a loop
	Density		Viscosity
	Flow velocity		Flow resistance coefficient
	Hydraulic diameter		Universal gas constant