Health Condition Assessment of Marine Systems Based on an Improved Radar Chart

Table 3

Benchmarks of health assessment indexes for fuel supply system.

Function	Equipment	Index	Unit	Benchmark data
				Lower limit	Optimal value	Upper limit
Purification	DF		bar	0.2	0.2	0.8
	AF		bar	0.2	0.3	0.8
Heating	AH		cSt	7.0	12.0∼14.0	20.0
Pressure	SP		bar	3.0	5.0	5.0
	CP		bar	6.0	8.0	11.0