# Graetz number for mass transfer

> characteristic number for the relation between advective and radial diffusive mass transfer in a pipe

**Wikidata**: [Q104638971](https://www.wikidata.org/wiki/Q104638971)  
**Source**: https://4ort.xyz/entity/graetz-number-for-mass-transfer


## References

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