Section 11-442 entries
11-4.22
elasticity number
https://metanorma.github.io/isq-smart/quantities/part-11/t11-4.22 urn:iso:std:iso:80000:-11:ed-2:en:item:11-4.22
ISQ Identifiers
ISO
urn:iso:std:iso:80000:-11:ed-2:en:item:11-4.22IEC
urn:iec:std:iec:80000-11:2019:::item:11-4.22Designations
ENelasticity number
FRnombre d'élasticité
Symbol
Notation systems
Rendered
AsciiMath
ElLaTeX
E lDefinition
EN
relation between relaxation time and diffusion time in viscoelastic flows, expressed by
; where
:: is relaxation time (ISO 80000-12: Condensed matter physics),
:: is kinematic viscosity (ISO 80000-4: Mechanics), and
:: is radius (ISO 80000-3: Space and time) of pipe
FR
relation entre le temps de relaxation et le temps de diffusion pour des écoulements viscoélastiques, exprimée par:
; où
:: est le temps de relaxation (ISO 80000-12: Condensed matter physics);
:: est la viscosité cinématique (ISO 80000-4: Mechanics); et
:: est le rayon (ISO 80000-3: Space and time) du tube
Notes
Ontology
Class Hierarchy
A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.
Instance IRI
isq:t11-4.22Properties
| Property | Value |
|---|---|
| rdf:type | |
| dcterms:identifier | 11-4.22 |
| skosxl:prefLabel | "elasticity number"@en |
| skosxl:altLabel | "El"@en |
| skos:definition | relation between relaxation time and diffusion time in viscoelastic flows, expressed by
stem:[El = t_"r" sf(ii(v))//r^2… |
| skos:note | See also Deborah number (<<t11-7.8>>). |
| isq:hasDimension | |
| smart:hasBindingnessType | |
| dcterms:isPartOf |