A numerical study of bend-induced particle deposition in and behind duct bends

► Particles are easy to accumulation on walls with high capture velocity. ► Particle deposition has a peak value near bend outlet. ► Enhanced deposition behind bends is attributed to bend-induced turbulence. ► Deposition behind bends forms a large portion of the total bend-induced deposition. ► Exponential decay trend behind bends is found.