Wet Granular Media

Better impact resistance than dry

This wet granular medium exhibits shallower penetration depth and higher peak impact force under projectile impact, demonstrating superior impact resistance over dry granular systems.

Xingli, Zhang · Zhao, Honghua · Cheng, Hongyang · Xiangjin, Wang · Zhang, Dashuai

Powder Technology 2024

Advantages

Final penetration depth in wet granular medium is smaller than in dry case

Peak impact force follows a parameter scaling law

A velocity “stagnation zone” exists at the initial stage