Research Article
Optimal Nozzle Structure for an Abrasive Gas Jet for Rock Breakage
Table 4
Laval nozzle structure with different divergent angles.
| | Nozzle parameters | Value |
| | Entrance diameter (mm) | 4 | 4 | 4 | 4 | 4 | 4 | | Throat diameter (mm) | 2 | 2 | 2 | 2 | 2 | 2 | | Convergent angle | 53° | 53° | 53° | 53° | 53° | 53° | | Draw ratio | 3 | 3 | 3 | 3 | 3 | 3 | | Exit diameter (mm) | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | | Divergent angle | 5° | 7° | 10° | 12° | 15° | 30° | | Divergent length (mm) | 23 | 16 | 11.4 | 9.5 | 7.6 | 3.7 |
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