Dynamic Analysis of a Rotating Cardan Shaft under the Influence of a Breathing Crack and Dense Fluid Force

Table 2

Physical properties of the viscous fluid.

Characteristics of the oil
Oil type	Viscous fluid
Colour	Colourless to yellow
Physical state	Liquid
Vapour pressure (at 22°C)	<0.01 mmHg@ 22°C
Viscosity of the oil (at 22°C)	0.3 m^2/s
Density of the oil	866 kg/m^3
Frequency of oscillations	78.522 rad/s
Amplitudes of oscillations	0.36 et 0.4 mm
Initial thicknesses of oil film	1.4 à 0.8
Euler constant	0.5772156
Mass Mfl	24.7 kg