60 190 9Department of Science Service

1

(Compositeinsulationmaterials)

2

(Expandedpolystyrene,EPS) 2

(Heat

transfer)3

(Convection), (Conduction) (Radiation)

3 3

*

1

____________________________________________ *.

60 190 10 Department of Science Service

-(m2.K/W)(2)

(Overall

heattransfercoefficient,U-value)

(3)

-(W/m2.K)(3)

Heat Flow Meter

HeatFlow

Meter ASTMC518,ISO8301,BSEN12667

JISA1412

3(a)

225C

501024

1

3 (b) (T)

(Thermal conductivity)

(Thermal

conductivity,K-Value)

-(W/m.K) (Thermalresistance,R-Value) -(m2.K/W)

(k)

(1)

-(W/m.K)(1)

k= -(W/m.K) Q= (W) A= (m2) L= (m) T= (K)

(R)

(2)

kL

R=

R1

U=

2

k = Q L A T

60 190 11Department of Science Service

NETZSCHHFM436

HeatFlowMeter

3003006

-80

610400

(Steady-statecondition)

(a)(b)

AmericanSocietyforTestingandMaterial.Standardtestmethodforsteady-state

thermaltransmissionpropertiesbymeansoftheheatflowmeterapparatus.

In Annual book of ASTM standard.Vol. 04.06.WestConshohocken:ASTM,2010,p.152-166.

ConductioninNon-Metals.[Online][citedated20April2012]AvailablefromInternet:http://www.gcse.com/

energy/conduction.htm Heattransfer.[Online][citedated20April2012]AvailablefromInternet:

http://en.wikipedia.org/wiki/Heat_transferNetzsch.OperatingInstructions:heatflowmeterHFM436/3Lambda.Wittelsbacherstrbe:

Netzsch,2008.

3 (a) Heat Flow Meter, (b) HFM 436/3 Lambda Heat Flow Meter