Research Article

Influence of the Radial Clearance of a Squeeze Film Damper on the Vibratory Behavior of a Single Spool Gas Turbine Designed for Unmanned Aerial Vehicle Applications

Table 2

Stiffness and damping dynamics coefficients of the rear bearing as a function of the rotational speed for three different radial clearances of the squeeze film damper.

Rotational speed
 mm mm mm
Stiffness
Damping
Stiffness
Damping
Stiffness
Damping

032,6689,7202,449
83.3332,6689,7202,449
167.6726,4187,8561,978
25020,3526,0561,529
333.3314,1374,2161,072
416.6711,2043,352859,6
5008,1112,441635,9