Table 1: Results of the experiment.
0.2 J 5 Hz |
0.2 J 20 Hz |
0.6 J 5 Hz |
0.6 J 20 Hz |
1 J 20 Hz |
1 J 5 Hz |
2 J 20 Hz |
2 J 5 Hz |
P 15 Hz |
|
Dusting time (sec) | |||||||||
No device | |||||||||
275 | 1120 | 1026 | 940 | 910 | 815 | 798 | 605 | 578 | 0.03 |
550 | 1105 | 998 | 882 | 869 | 745 | 712 | 583 | 545 | 0.012 |
Stone cone | |||||||||
275 | 1010 | 966 | 880 | 855 | 740 | 700 | 468 | 426 | 0.023 |
550 | 998 | 920 | 845 | 812 | 702 | 662 | 422 | 402 | 0.042 |
Fragmentation time (sec) | |||||||||
No device | |||||||||
275 | 920 | 910 | 880 | 850 | 720 | 690 | 420 | 415 | 0.014 |
550 | 870 | 845 | 822 | 780 | 705 | 642 | 400 | 398 | 0.025 |
Stone cone | |||||||||
275 | 810 | 785 | 760 | 720 | 660 | 622 | 282 | 275 | 0.001 |
550 | 798 | 460 | 732 | 697 | 640 | 600 | 278 | 270 | 0.001 |
Propulsion (cm) | |||||||||
275 | 0.9 | 1.0 | 1.2 | 1.4 | 2.4 | 2.3 | 3.1 | 3.4 | < 0.001 |
550 | 1.0 | 1.1 | 1.4 | 1.6 | 2.6 | 2.5 | 3.4 | 3.5 | 0.001 |