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Part 77-9.2

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Part 7: Light and Radiation·66 entries

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Section 7-92 entries

7-9.1radiant exposure 7-9.2spectral radiant exposure

7-9.2

spectral radiant exposure

URNurn:iso:std:iso:80000:-7:ed-2:en:item:7-9.2

Download RDF.jsonld .ttl

https://metanorma.github.io/isq-smart/quantities/part-7/t7-9.2
urn:iso:std:iso:80000:-7:ed-2:en:item:7-9.2

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-7:ed-2:en:item:7-9.2

IEC

urn:iec:std:iec:80000-7:2019:::item:7-9.2

Designations

ENspectral radiant exposure

FRexposition énergétique spectrique

Symbol

H_{e, λ}

(H_{λ})

Notation systems

Rendered

H_{e, λ}

Rendered

(H_{λ})

AsciiMath

H_("e",lambda)

AsciiMath

(H_lambda)

LaTeX

H_{\text{e} , \lambda}

LaTeX

( H_{\lambda} )

Definition

density of radiant exposure with respect to wavelength, expressed by

H_{e, λ} = \frac{d H_{e}}{d λ}

where $H_{e}$ is radiant exposure (radiant exposure) in terms of wavelength $λ$ (ISO 80000-3: Space and time)

dérivée de l'exposition énergétique par rapport à la longueur d'onde, exprimée par

H_{e, λ} = \frac{d H_{e}}{d λ}

où $H_{e}$ est l'exposition énergétique (radiant exposure) en fonction de la longueur d'onde $λ$ (ISO 80000-3: Space and time)

Units

\frac{J}{m^{2} \cdot n m}

joule per square metre nanometre

View related quantities →

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

kilogram per metre second squared

View related quantities →

Notes

The integral of (total) radiant exposure is determined by the wavelength interval $(λ_{1}, λ_{2})$ under consideration:

H_{e} = \int_{λ_{1}}^{λ_{2}} H_{e, λ} d λ

L'intégrale de l'exposition énergétique (totale) est déterminée par l'intervalle de longueurs d'onde $(λ_{1}, λ_{2})$ considéré:

H_{e} = \int_{λ_{1}}^{λ_{2}} H_{e, λ} d λ

Referenced by

luminous exposure

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:t7-9.2

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	7-9.2
skosxl:prefLabel	"spectral radiant exposure"@en
skosxl:altLabel	"H_("e",lambda)"@en"(H_lambda)"@en
skos:definition	density of radiant exposure with respect to wavelength, expressed by [stem%unnumbered] ++++ H_("e",lambda) = ("d"H_"e")…
skos:note	The integral of (total) radiant exposure is determined by the wavelength interval stem:[(lambda_1, lambda_2)] under cons…
isq:hasUnit	J/(m^2nm) (joule per square metre nanometre)kgm^(-1)*s^(-2) (kilogram per metre second squared)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-7

Related Entities

isq:QuantityShape isq:part-7 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry