[TRNSYS-users] Max heat load calculation

[Bader Daniel]

Hello Marshall,

 

maybe you have to save your project in an folder on drive C:\.

 

If you run your simulation from another participated drive (e.g. D:\) or from an server-drive, I guess there are problems with the maxheatload-calculation.

 

Kind regards, Daniel

 

 

 

Mit freundlichen Grüßen

 

Daniel Bader

 

GN Bauphysik Ingenieurgesellschaft mbH

Bahnhofstr. 27

70372 Stuttgart

Tel.: 0711-9548800

Fax: 0711-564613

www.gn-bauphysik.com <http://www.gn-bauphysik.com/> 

Geschäftsführer: Dipl.-Ing. (FH) Manfred Finkenberger

Sitz der Gesellschaft: Stuttgart, HRB 14870

 

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Von: Marshall L Sweet/sweetml/O/VCU [mailto:sweetml at vcu.edu] 
Gesendet: Mittwoch, 17. Juni 2009 18:15
An: trnsys-users at cae.wisc.edu
Betreff: [TRNSYS-users] Max heat load calculation

 

Hello TRNSYS users,

I have two questions:

1.
I am trying to use the "Max heat load calculation" feature in TRNBUILD.  Everything appears to work fine until the last stage where a window appears displaying "Calculation Terminated" and I have to choose "No" or "Run TRNSYS".  I click the "Run TRNSYS" button and then I get an error that says "File C:\Program does not exist".  I have checked and rechecked the directories under the OPTIONS \ SETTINGS menu and my file directory for TRNSYS is correct.  The folder where I have my TYPE 56 shows that maxheatload files (.b16, .bld, .d16) have been created.
What is the problem?  Is there another way to set up the simulation?

2.
I am using the American library for my walls, layers, and windows in TRNBUILD.  I am curious to know how the conductivity for layers are calculated.  Say I want to use R-13 insulation, what would be the corresponding conductivity?  Does R-13 already exist in the library?  When I try converting from English units (R-13 = 13 ft^2 F h / BTU) to SI units and inverting to obtain the U value I am left with an extra meter in the denomonator (ie. kJ/(h k m^2)).  Does TRNBUILD use some standard length to eliminate a meter unit?

Thanks,

Marshall

Graduate Student
Dept. of Mechanical Engineering
Virginia Commonwealth University

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