# Euler number

> dimensionless caracteristic number used in fluid mechanics, defined as the ratio of pressure forces and inertial forces used to characterize losses in a moving fluid

**Wikidata**: [Q1340031](https://www.wikidata.org/wiki/Q1340031)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Euler_number_(physics))  
**Source**: https://4ort.xyz/entity/euler-number-q1340031


## References

1. Freebase Data Dumps. 2013
2. ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)