Material Handling Equipment

In a pneumatic conveying line of diameter $D = 0.1\text{ m}$ (cross-sectional area $A = \frac{\pi}{4}(0.1)^2 \approx 0.007854\text{ m}^2$), conveying air velocity is $v = 20\text{ m/s}$. The air volumetric flow rate in $\text{m}^3/\text{s}$ is (rounded off to three decimal places):