16 / 54

5-11

thermal insulance, coefficient of thermal insulance

URNurn:iso:std:iso:80000:-5:ed-2:en:item:5-11

https://metanorma.github.io/isq-smart/quantities/part-5/t5-11
urn:iso:std:iso:80000:-5:ed-2:en:item:5-11

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-5:ed-2:en:item:5-11

IEC

urn:iec:std:iec:80000-5:2019:::item:5-11

Designations

ENthermal insulance

FRisolation thermique

ENcoefficient of thermal insulance

FRcoefficient d'isolation thermique

Symbol

M

Notation systems

Rendered

M

AsciiMath

M

LaTeX

M

Definition

inverse of coefficient of heat transfer $K$ :

M = \frac{1}{K}

where $K$ is coefficient of heat transfer (coefficient of heat transfer)

inverse du coefficient de transmission thermique $K$ :

M = \frac{1}{K}

où $K$ est le coefficient de transmission thermique (coefficient of heat transfer)

Units

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

square metre kelvin per watt

View related quantities →

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

second cubed kelvin per kilogram

View related quantities →

Notes

In building technology, this quantity is often called thermal resistance, with the symbol $R$ .

En technologie des bâtiments, cette grandeur est souvent appelée «résistance thermique», avec le symbole $R$ .

Referenced by

thermal resistance thermal conductance

Concept HierarchyPendrill (2024)

L²L² quantitiesLevel 0 · Kind

Broader concepts

◇ L² 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:t5-11

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	5-11
skosxl:prefLabel	"thermal insulance"@en
skosxl:altLabel	"coefficient of thermal insulance"@en"M"@en
skos:definition	inverse of coefficient of heat transfer stem:[K]: [stem%unnumbered] ++++ M = 1/K ++++ where stem:[K] is coefficient of…
skos:note	In building technology, this quantity is often called thermal resistance, with the symbol stem:[R].
isq:hasUnit	m^2K/W (square metre kelvin per watt)kg^(-1)s^3*K (second cubed kelvin per kilogram)
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