Table 7 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

3

0.0621

−1.40 × 10− 3

0.1713

Mode−2

3

0.0631

−3.85 × 10− 4

0.1726

Mode−3

6

0.1251

−1.50 × 10− 4

0.0323

Mode−4

4

0.0545

−4.74 × 10− 3

0.0335

Mode−5

6

0.1258

−1.10 × 10− 2

0.0173

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