Optimal Nozzle Structure for an Abrasive Gas Jet for Rock Breakage

Table 11

Erosion depth of the different nozzles when abrasive is different.

Abrasive type	Erosion depth of rock samples (mm)
	Nozzle a	Nozzle b	Nozzle c	Nozzle d
Quartz sand	40.21	38.83	33.62	37.81
Garnet	47.29	45.22	40.13	44.19
Brown aluminium oxide	52.49	50.64	45.18	47.25
Silicon carbide	53.39	50.89	46.16	48.42