Optimal Nozzle Structure for an Abrasive Gas Jet for Rock Breakage

Table 8

Experiment procedure.

Nozzle no.	Erosion rock sample no.	Experimental condition
a	a-1, a-2, a-3	Inlet pressure: 25 MPa
b	b-1, b-2, b-3	Erosion time: 10s
c	c-1, c-2, c-3	Abrasive: garnet with mesh 80
d	d-1, d-2, d-3	stand-off distance: 100 mm