Queries, comments, suggestions? Please contact us.



Area Physics for electrotechnology / Thermodynamics

IEV ref113-04-40

Symbol
h

en
surface coefficient of heat transfer
coefficient of heat transfer when heat exchange takes place between a body at thermodynamic temperature Ts and its surroundings that are at a reference temperature Tr, thus h= φ | T s T r | MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaadIgacqGH9aqpda Wcaaqaaiabew9aMbqaamaaemaabaGaamivamaaBaaaleaajugabiaa bohaaSqabaGccqGHsislcaWGubWaaSbaaSqaaKqzaeGaaeOCaaWcbe aaaOGaay5bSlaawIa7aaaaaaa@45A4@ , where φ is density of heat flow rate

NOTE The coherent SI unit of surface coefficient of heat transfer is watt per square metre kelvin, W/m2∙K.


fr
coefficient de transmission thermique de surface, m
coefficient de transmission thermique lorsque l’échange de chaleur a lieu entre un corps à la température thermodynamique Ts et son entourage à la température thermodynamique de référence Tr, soit h= φ | T s T r | MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaadIgacqGH9aqpda Wcaaqaaiabew9aMbqaamaaemaabaGaamivamaaBaaaleaajugabiaa bohaaSqabaGccqGHsislcaWGubWaaSbaaSqaaKqzaeGaaeOCaaWcbe aaaOGaay5bSlaawIa7aaaaaaa@45A4@ , où φ est le flux thermique surfacique

NOTE L'unité SI cohérente de coefficient de transmission thermique de surface est le watt par mètre carré kelvin, W/m2∙K.


ar
المعامل السطحى للإنتقال الحرارى

de
Oberflächen-Wärmedurchgangskoeffizient, m

es
coeficiente de transmisión superficial de calor

fi
pinnan lämmönsiirtymiskerroin

it
coefficiente di trasmissione termica di superficie

ja
表面熱伝達係数

pl
współczynnik powierzchniowego przewodnictwa cieplnego

pt
coeficiente de transmissão térmica de superfície

sv
värmeövergångskoefficient

zh
表面传热系数

Publication date: 2011-04
Copyright © IEC 2017. All Rights Reserved.