“…CFD simulation of cyclone preheaters (or in general cyclones operating at elevated temperatures) have been reported in the literature including different levels of coupling of particle and gas phases and resolution: single-phase calculation [8,9], one-way coupling [10], twoway coupling [3,4], and four-way coupling [11][12][13][14]. Some of these studies are summarized in Table 1 which also includes CFD simulation of large-scale cyclone preheaters.…”