Research Article

Preliminary Test of Gas Wave Ejector in Coalbed Methane Well Site and Impact Analysis of Fluid Medium Characteristics on Its Pressure Port Design

Figure 17

Variation laws of , , and ξ with the rotational frequency : (a) and at , (b) ξ at , (c) and at , (d) ξ at , (e) and at , and (f) ξ at .
(a)
(b)
(c)
(d)
(e)
(f)