Gas Turbine Blade Damper Optimization Methodology

Table 5

Values of natural frequency and damping of 1st flexure mode of the blade under various damper loads.

Sl number	Damper load (N)	Frequency in Hz	Percentage 𝛿
1	0	1.03f1	0.96
2	300	1.095f1	3.25
3	500	1.154f1	5.08
4	1000	1.170f1	2.54
5	2000	1.191f1	2.5