Table 6 The DMD modes during the critical instability in the Vr = 0.725 case.

From: On Chinese space station: pioneering space experiments unraveling the hydrodynamic instability of annular thermocapillary convection

Mode

Wave number m

Frequency f (Hz)

Growth rates σ

Amplitude()

Mode−1

 

0.305

2.43 × 10 − 3

0.0804

Mode−2

 

0.301

−2.71 × 10 − 2

0.0312

Mode−3

 

0.288

−4.11 × 10 − 1

0.0076

Mode−4

-

0.610

−1.01 × 10 − 1

0.0090

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