Equivalent spherical diameter
From Infogalactic: the planetary knowledge core
In science, the equivalent spherical diameter (or ESD) of an irregularly-shaped object is the diameter of a sphere of equivalent volume.[1]
According to the IUPAC definition,[2] the equivalent diameter of a non-spherical particle is equal to a diameter of a spherical particle that exhibits identical properties (e.g., aerodynamic, hydrodynamic, optical, electrical) to that of the investigated non-spherical particle. For particles in non-turbulent motion, the equivalent diameter is identical to the diameter encountered in the Stokes' law.
See also
References
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<references />, or <references group="..." />- ↑ Jennings, B. R. and Parslow, K. (1988) Particle Size Measurement: The Equivalent Spherical Diameter. Proceedings of the Royal Society of London. Series A 419, 137-149
- ↑ "Equivalent diameter". IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook. Term: doi:10.1351/goldbook.E02191.
