Lin, P.; Zhang, S.; Qi, J.; Xing, Y.M.; Yang, L. - In: Physica A: Statistical Mechanics and its Applications 417 (2015) C, pp. 29-40
Beverloo’s law describes the flow rate of grains discharging from hoppers, where the assumption of a free-fall arch (FFA) is very useful in understanding the physical picture of this process. The FFA has been observed in previous experiments but a clear systematic study of the FFA is still...