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RE: [EnergyPlus_Support] Single glazing window properties



Krishnan,

 

I guess you mean whole window U factor. If yes, you can use the following
data. This window had overall U factor of 1.23 (Btu/hr-ft2F) (including
frame) with single glazing system. You will need to put this data in a txt
file.  I used generic Aluminum frame. 

 

Mahabir Bhandari

 

 

 

 

Window5 Data File for EnergyPlus

Window 5.2a  v5.2.17a

Date             : Fri Oct 27 15:26:29 2006

Window name      : 1 Simple window

Description      : Casement - Single

# Glazing Systems: 1

GLAZING SYSTEM DATA: Height Width nPanes Uval-center SC-center SHGC-center
Tvis-center

 System1         :   1386   486      1      5.711      0.988      0.858
0.899

FRAME/MULLION DATA: Width OutsideProj InsideProj Cond EdgeCondRatio SolAbs
VisAbs Emiss  Orient'n (mull)

    L Sill       :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    R Sill       :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    L Head       :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    R Head       :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    Top L Jamb   :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    Bot L Jamb   :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    Top R Jamb   :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    Bot R Jamb   :   57.2     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

    Mullion      :   None

    Average frame:   57.1     25.4       25.4   500.000    1.558      0.900
0.900  0.90 

DIVIDER DATA     : Width OutsideProj InsideProj Cond EdgeCondRatio SolAbs
VisAbs Emiss Type            #Hor #Vert

 System1         :   0.0     0.0        0.0    0.000      0.000     0.000
0.000 0.000 None              0    0

GLASS DATA       : Layer#  Thickness  Cond  Tsol  Rfsol  Rbsol  Tvis  Rfvis
Rbvis   Tir  EmissF   EmissB   SpectralDataFile

 System1         :   1     3.000     1.000 0.834  0.075  0.075 0.899  0.083
0.083 0.000   0.840    0.840   CLEAR_3.DAT

GAP DATA         : Gap# Thick nGasses

GAS DATA         : GasName    Fraction MWeight    ACond      BCond   CCond
AVisc      BVisc  CVisc ASpHeat  BSpHeat CSpHeat

GLAZING SYSTEM OPTICAL DATA

Angle     0    10    20    30    40    50    60    70    80    90 Hemis

System1

Tsol  0.834 0.833 0.831 0.827 0.818 0.797 0.749 0.637 0.389 0.000 0.753

Abs1  0.091 0.092 0.094 0.096 0.100 0.104 0.108 0.110 0.105 0.000 0.101

Rfsol 0.075 0.075 0.075 0.077 0.082 0.099 0.143 0.253 0.506 1.000 0.136

Rbsol 0.075 0.075 0.075 0.077 0.082 0.099 0.143 0.253 0.506 1.000 0.136

Tvis  0.899 0.899 0.898 0.896 0.889 0.870 0.822 0.705 0.441 0.000 0.822

Rfvis 0.083 0.083 0.083 0.085 0.091 0.109 0.156 0.272 0.536 1.000 0.148

Rbvis 0.083 0.083 0.083 0.085 0.091 0.109 0.156 0.272 0.536 1.000 0.148

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  _____  

From: krgowri [mailto:krgowri@xxxxxxxxx] 
Sent: Friday, October 27, 2006 1:49 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Single glazing window properties

 

I am trying to model a single glazing with U-factor 1.22. I have not
been successful with modifing the glass thickness or U-factor. Any
tips to adjust the glass properties for desired window U-factors or
sample idf material and construction definitions will be appreciated.

- krishnan

 



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