Flow Dynamic Analysis of Core Shooting Process through Experiment and Multiphase Modeling

Table 2

Modeling parameters.

Property	Symbol	Value
Sand density (kg m^−3)		2650
Mean sand diameter (μm)		240
Restitution coefficient		0.5, 0.8, 0.9, 0.99
Particle-wall restitution coefficient		0.8
Max. sand volume fraction		0.63
Minimum sand volume fraction for transition to consider frictional stress		0.5
Angle of internal fraction		0.3
Specularity coefficient		0.002