Table 1
Summary of runs.
| Run | Re | ReM | PrM | k 1 w |
|
|
lm | direction | Δτ | Veject / urms |
|
|
||||||||||
| A | 3.4 | 3.4 | 1 | 0.1 | 0.3–0.4 | 0.11 | 01 | + y | 250 | 0.45 |
| B1 | 6.7 | 6.7 | 1 | 0.2 | 1.0–1.2 | 0.52 | 01 | − y | 530 | 0.55 |
| B2 | 6.7 | 13 | 2 | 0.2 | 0.9–1.2 | 0.45 | 10 | + x | 570 | 0.63 |
| B3 | 6.7 | 67 | 10 | 0.2 | 0.9–1.0 | 0.28 | 01 | ± y | 800 | 0.55 |
| B4 | 6.7 | 133 | 20 | 0.2 | 0.9 | 0.27 | 01 | − y | ? | ? |
| B5 | 15.0 | 15 | 1 | 0.2 | 0.7–1.0 | 0.29 | 10 | + x | 370 | 0.52 |
Notes. Run A is for a cubic domain while Runs B1 to B5 are for taller domains at different values of ReM. Note that the nondimensional interval length δτ as well as the ejection speeds cannot be determined accurately for most of the runs, but the values suggests that there is no systematic dependence on the value of ReM. The column “lm” gives the l and m values of the leading mode of the mean field in Eq. (11) and the columns “direction” gives the direction of propagation of this mean field, confirming that it is a matter of chance.
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