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8-10

sound intensity

URNurn:iso:std:iso:80000:-8:ed-1:en:item:8-10

https://metanorma.github.io/isq-smart/quantities/part-8/t8-10
urn:iso:std:iso:80000:-8:ed-1:en:item:8-10

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-8:ed-1:en:item:8-10

IEC

urn:iec:std:iec:80000-8:2020:::item:8-10

Designations

ENsound intensity

FRintensité acoustique

Symbol

I

Notation systems

Rendered

I

AsciiMath

bb(ii(I))

LaTeX

\mathbf{\mathit{I}}

Definition

vector (ISO 80000-2: Mathematics) quantity given by:

I = p u

where $p$ is sound pressure (sound pressure) and $u$ is sound particle velocity (sound particle velocity)

grandeur vectorielle donnée par:

I = p u

où $p$ est la pression acoustique (sound pressure) et $u$ est la vitesse acoustique d'une particule (sound particle velocity)

Units

\frac{W}{m^{2}}

watt per square metre

View related quantities →

k g \cdot s^{- 3}

kilogram per second cubed

View related quantities →

Notes

This definition can become inapplicable in situations with a high mean fluid flow.

Cette définition peut devenir inapplicable en cas d'écoulement moyen élevé de fluide.

Concept HierarchyPendrill (2024)

M T⁻³M T⁻³ quantitiesLevel 0 · Kind

Broader concepts

◇ M T⁻³ quantities

Ontology
isq:Quantity smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:Quantity

A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.

Instance IRI

isq:t8-10

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	8-10
skosxl:prefLabel	"sound intensity"@en
skosxl:altLabel	"bb(ii(I))"@en
skos:definition	vector (<<iso80000-2>>) quantity given by: [stem%unnumbered] ++++ bb(ii(I)) = p bb(ii(u)) ++++ where stem:[p] is sound…
skos:note	This definition can become inapplicable in situations with a high mean fluid flow.
isq:hasUnit	W/m^2 (watt per square metre)kg*s^(-3) (kilogram per second cubed)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-8

Related Entities

isq:QuantityShape isq:part-8 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry