Condition Monitoring of Forward Curved Centrifugal Blower Using Coast Down Time Analysis

Table 1

The technical specifications of forward curved centrifugal blower.

Name	Symbols	Unit	Value
Outer diameter	d2	mm	135
Inner diameter	d1	mm	110
Number of blades	N		36
Chord length	l	mm	25
Blade width	B	mm	71
Blade thickness	T	mm	1.3
Blade inlet angle at the leading edge	β 1	degrees	112
Blade outlet angle at the tip of the blade	β 2	degrees	129
Blade channel width	w	mm	10.20
Diameter ratio	d1/d2		0.815
Blower end exit duct area	A	m^2	0.00295
Weight of blower	W	kg	2