Table 4 The DMD modes during the critical instability in the Vr = 0.875 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

4

0.062

1.54 × 10 − 3

0.1251

Mode−2

4

0.061

−2.63 × 10 − 2

0.0328

Mode−3

8

0.124

1.88 × 10 − 3

0.0178

Mode−4

3

0.036

−3.82 × 10 − 1

0.0196

Mode−5

8

0.118

−2.74 × 10 − 1

0.0059

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