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5-9

thermal conductivity

URNurn:iso:std:iso:80000:-5:ed-2:en:item:5-9

https://metanorma.github.io/isq-smart/quantities/part-5/t5-9
urn:iso:std:iso:80000:-5:ed-2:en:item:5-9

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-5:ed-2:en:item:5-9

IEC

urn:iec:std:iec:80000-5:2019:::item:5-9

Designations

ENthermal conductivity

FRconductivité thermique

Symbol

λ

(κ)

Notation systems

Rendered

λ

Rendered

(κ)

AsciiMath

lambda

AsciiMath

(kappa)

LaTeX

\lambda

LaTeX

( \kappa )

Definition

quotient of density of heat flow rate (density of heat flow rate) and thermodynamic temperature gradient that has the same direction as the heat flow

quotient de la densité de flux thermique (density of heat flow rate) par le gradient de température thermodynamique qui a la même direction que le flux de chaleur

Units

\frac{W}{m \cdot K}

watt per metre kelvin

View related quantities →

k g \cdot m \cdot s^{- 3} \cdot K^{- 1}

kilogram metre per second cubed kelvin

View related quantities →

Referenced by

thermal diffusivity

Concept HierarchyPendrill (2024)

1dimensionless quantitiesLevel 0 · Kind

Broader concepts

◇ dimensionless 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:t5-9

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	5-9
skosxl:prefLabel	"thermal conductivity"@en
skosxl:altLabel	"lambda"@en"(kappa)"@en
skos:definition	quotient of density of heat flow rate (<<t5-8>>) and thermodynamic temperature gradient that has the same direction as t…
isq:hasUnit	W/(mK) (watt per metre kelvin)kgms^(-3)K^(-1) (kilogram metre per second cubed kelvin)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-5

Related Entities

isq:QuantityShape isq:part-5 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry