
— The paper focuses on forced air mechanical machines: at Raglan, (nominal) 28-m 3 Outokumpu OK-28 U-bottom cells; at LDI, 130-m 3 Outokumpu OK-130 tank cells; and at Impala, 50-m 3 Bateman 50 and 30-m 3 RCS 30 tank cells. Common gas dispersion features are identified, for example the dependence of bubble size on gas …