Research Article

Effect of Thermal Response and Vibration on the Multicracked Rotor Immersed in a Fluid Medium Using Finite Element Method

Table 9

Comparison of experimental and finite element analysis results of 44-direction and 55-direction for given crack location and .

Relative crack depth44-direction55-direction
Fluid kinematic viscosity (ν) stokesFluid kinematic viscosity () stokes
0.06330.5412.90.06330.5412.9

Experimental analysis (dimensionless amplitude ratio ())
106.3635.5813.7174.4625.529.80

135.5639.3312.9193.0530.1710.82

178.9245.9615.96144.2447.1016.92

FEA (dimensionless amplitude ratio ())
103.7634.1811.9176.4624.127.82

133.3636.9511.2189.7928.078.92

176.3544.6513.12141.2445.0914.42

Error in %
2.601.401.803.021.411.98

2.202.381.703.262.101.91

2.521.312.842.992.012.51