Research Article

Experiment Study of Outburst Pulverized Coal-Gas Two-Phase Flow and Characteristic Analysis of Outburst Wave

Table 1

Main parameters of the device and the existing ones.

Technical parameterOutburst cavity size/cmOutburst opening modeSimulated pipe typeSimulated pipe size/cm

Ball valveAcrylic materialφ10
Chen et al. [24, 25]Mechanical damperMetalφ20
Hu [27]Rupture of membranesPlexiglass, arch radius 10
Jin [28]Mechanical damperAcrylic materialφ10
Sun et al. [29]Rupture diskMetal, viewing window
Zhou et al. [31, 32]Rupture diskMetal, viewing window