Chaiya, A.; Pawako, S.; Okchol, M.; Sripaisan, V.; Chaitanoo, N.; Intagun, W.; Junphong, A. Optimization of Vertical Screw Conveyor for Biomass Sampling: Influence of Pitch Geometry on Energy Dissipation and Material Integrity. RMUTL.Eng.J. 2026, 11, 14-25.