Research Article

Solid-Gas Flow Characteristics of Drilling Bit-Rod Integral Structure

Table 2

Simulation cases setting.

CaseCoal mass flow rate (kg·s−1)Gas velocity (m·s−1)

10.02 × 315
20.02 × 320
30.02 × 325
40.03 × 315
50.03 × 320
60.03 × 325
70.04 × 315
80.04 × 320
90.04 × 325
100.05 × 315
110.05 × 320
120.05 × 325