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Re: [EnergyPlus_Support] A question about the baseboard
It is difficult to suggest a possible reason for the difference without seeing
the input file. Please upload to the files area, or send as a zipped
attachment to energyplus-support@xxxxxxxx
Mike
On 12 Dec 2007 at 18:08, wanglei wrote:
> Dear all
>
> In my study, I want to study the effect of solar radiation on the heating
> system.
>
> At first, I selcet a weather file which's solar radiation is samll.
>
> Second, I use a high solar radiation weather file.
>
> In order to compare the differnts between the tow case, the s urface Int
> Convection Heat (including all wall and window ) and the infiltration Sensible
> Heat Loss is added. This result are used to compare with the Baseboard Heating
> Rate.
>
> For the first case, the two value is almost equal, but For the second case,
>
> the two value is differnt, there are about 12% error.
>
> One day result is shown below:
>
> Zone Mean Air Temperature
>
> Baseboard Heating Rate
>
> Sum of all Convection Heat Rate and Infiltration Sensible Heat
>
> The difference between two value
>
> I think the difference between two value should be :
>
> 16.00
>
> 297.49
>
> -349.983
>
> -52.4892
>
> 0
>
> 16.00
>
> 338.19
>
> -390.643
>
> -52.457
>
> 0
>
> 16.00
>
> 375.69
>
> -428.532
>
> -52.8367
>
> 0
>
> 16.00
>
> 408.03
>
> -461.085
>
> -53.0551
>
> 0
>
> 16.00
>
> 432.77
>
> -486.184
>
> -53.4166
>
> 0
>
> 16.00
>
> 445.10
>
> -498.826
>
> -53.7238
>
> 0
>
> 16.00
>
> 441.57
>
> -495.818
>
> -54.2505
>
> 0
>
> 16.00
>
> 417.19
>
> -471.87
>
> -54.6834
>
> 0
>
> 16.00
>
> 315.07
>
> -371.805
>
> -56.7388
>
> 0
>
> 16.05
>
> 64.53
>
> -114.558
>
> -50.0236
>
> 0
>
> 16.97
>
> 0.00
>
> 30.81405
>
>
>
>
>
> 18.18
>
> 0.00
>
> 23.82584
>
>
>
>
>
> 19.23
>
> 0.00
>
> 3.093941
>
>
>
>
>
> 19.97
>
> 0.00
>
> -21.9552
>
>
>
>
>
> 20.42
>
> 0.00
>
> -41.5665
>
>
>
>
>
> 20.50
>
> 0.00
>
> -57.1786
>
>
>
>
>
> 20.18
>
> 0.00
>
> -67.645
>
>
>
>
>
> 19.40
>
> 0.00
>
> -74.7197
>
>
>
>
>
> 18.26
>
> 0.00
>
> -61.5775
>
>
>
>
>
> 17.57
>
> 0.00
>
> -33.5442
>
>
>
>
>
> 17.01
>
> 0.00
>
> -22.563
>
>
>
>
>
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> The primary EnergyPlus web site is found at:
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>
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
>
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> in the Files area of the Support Web Site.
>
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> Documentation link and press the "search" button.
>
> Yahoo! Groups Links
>
>
>
>
>
========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support
EnergyPlus-Support@xxxxxxxx
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