Experimental Investigation of the Effects of Helical Roof on the Performance of Stairmand High Efficiency Cyclone

Table 2

Cut diameters of cyclone designs.

Inlet velocity (m s^−1)	Cut diameters (µm)
	Standard roof design	Helical roof design
Minimum (10 m s^−1)	3.85 ± 0.08	6.17 ± 0.06
Average (13.5 m s^−1)	3.62 ± 0.05	5.86 ± 0.08
Maximum (17 m s^−1)	3.40 ± 0.05	5.91 ± 0.10

Uncertainties are given as one standard deviation.