# Bagnold number for solid particles

> ratio of grain collision stresses to viscous fluid stresses

**Wikidata**: [Q2472733](https://www.wikidata.org/wiki/Q2472733)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bagnold_number)  
**Source**: https://4ort.xyz/entity/bagnold-number-for-solid-particles


## References

1. Freebase Data Dumps. 2013
2. ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers