Effects of the Hot Alignment of a Power Unit on Oil-Whip Instability Phenomena

Table 1

Amplitude of the most important harmonic orders of the vibrations measured at the generator bearing no. 1 during an instability onset.

	Harmonic Orders
Direction	0.26X	0.5X	1X	2X
𝑋 (45^∘ Right)	557.1 𝜇m pp	13.8 𝜇m pp	31.8 𝜇m pp	8.3 𝜇m pp
𝑌 (45^∘ Left)	208.6 𝜇 m pp	23.7 𝜇m pp	26.5 𝜇m pp	11.8 𝜇m pp