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5-7

heat flow rate

URNurn:iso:std:iso:80000:-5:ed-2:en:item:5-7

https://metanorma.github.io/isq-smart/quantities/part-5/t5-7
urn:iso:std:iso:80000:-5:ed-2:en:item:5-7

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-5:ed-2:en:item:5-7

IEC

urn:iec:std:iec:80000-5:2019:::item:5-7

Designations

ENheat flow rate

FRflux thermique

Symbol

\dot{Q}

Notation systems

Rendered

\dot{Q}

AsciiMath

dot Q

LaTeX

\dot{Q}

Definition

time rate at which heat (heat) crosses a given surface

vitesse à laquelle la chaleur (heat) traverse une surface donnée

Units

W

watt

View related quantities →

\frac{J}{s}

joule per second

View related quantities →

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

kilogram square metre per second cubed

View related quantities →

Referenced by

density of heat flow rate thermal resistance

Concept HierarchyPendrill (2024)

L² M T⁻³power-type quantitiesLevel 0 · Kind

Broader concepts

◇ power-type 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:t5-7

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	5-7
skosxl:prefLabel	"heat flow rate"@en
skosxl:altLabel	"dot Q"@en
skos:definition	time rate at which heat (<<t5-6.1>>) crosses a given surface
isq:hasUnit	W (watt)J/s (joule per second)kgm^2s^(-3) (kilogram square metre per second cubed)
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

Definition

Units

Referenced by

Broader concepts

Ontology isq:Quantitysmart:TermEntry

Class Hierarchy

Instance IRI

Properties

Related Entities

Ontology
isq:Quantity smart:TermEntry