Research Article

[Retracted] Blasting Law of Liquid CO2 Phase Change in Coal Mine Based on Numerical Simulation

Table 1

Basic parameters of coal seam.

ParameterCalculation area/m3Crack hole diameter/mNumber of grids/pieceNumber of nodes/pieceApplied overburden self-weight stress/MPa

Numerical value52 × 60 × 50.112450013682410