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Section 5-122 entries

5-12thermal resistance 5-12.4specific Helmholtz energy, specific Helmholtz function

5-12

thermal resistance

URNurn:iso:std:iso:80000:-5:ed-2:en:item:5-12

https://metanorma.github.io/isq-smart/quantities/part-5/t5-12
urn:iso:std:iso:80000:-5:ed-2:en:item:5-12

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-5:ed-2:en:item:5-12

IEC

urn:iec:std:iec:80000-5:2019:::item:5-12

Designations

ENthermal resistance

FRrésistance thermique

Symbol

R

Notation systems

Rendered

R

AsciiMath

R

LaTeX

R

Definition

quotient of thermodynamic temperature (thermodynamic temperature) difference and heat flow rate (heat flow rate)

quotient de la différence de température thermodynamique (thermodynamic temperature) par le flux thermique (heat flow rate)

Units

\frac{K}{W}

kelvin per watt

View related quantities →

k g^{- 1} \cdot m^{- 2} \cdot s^{3} \cdot K

second cubed kelvin per kilogram square metre

View related quantities →

Notes

See remark to thermal insulance.

Voir la remarque en thermal insulance.

Referenced by

thermal conductance

Concept HierarchyPendrill (2024)

L⁻² M⁻¹ T³ ΘL⁻² M⁻¹ T³ Θ quantitiesLevel 0 · Kind

Broader concepts

◇ L⁻² M⁻¹ T³ Θ 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:t5-12

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	5-12
skosxl:prefLabel	"thermal resistance"@en
skosxl:altLabel	"R"@en
skos:definition	quotient of thermodynamic temperature (<<t5-1>>) difference and heat flow rate (<<t5-7>>)
skos:note	See remark to <<t5-11>>.
isq:hasUnit	K/W (kelvin per watt)kg^(-1)m^(-2)s^3*K (second cubed kelvin per kilogram square metre)
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