# Sommerfeld number

> characteristic number of hydrodynamic bearings

**Wikidata**: [Q6047623](https://www.wikidata.org/wiki/Q6047623)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sommerfeld_number)  
**Source**: https://4ort.xyz/entity/sommerfeld-number


## References

1. ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers