Re: [EnergyPlus_Support] very confused

["Michael J. Witte" <mjwitte@xxxxxxxx>]

1.  The iterative heat balance solution solves both at the same time.

2.  I do not understand the question.  The only temperatures you provide are in 
a DesignDay object or by selecting a weather file.

3.  The interior convection coefficients are not sensitive to airflows inside 
the zone which are produced by natural ventilation.  If you specify user-
defined convection coefficients (using the ConvectionCoefficients object) then 
these coefficient will apply to the surfaces you specify at all times during 
the simulation.

Mike


On 5 Jan 2008 at 13:37, neslihanturkmenoglu wrote:

> hi again
> if I am using cross ventilation UCSD airflow model, at the same time I 
> am doing solar radiation simulation, in which order does the program 
> work to get interior surface temperatures. Which part gets information 
> from other in sequence?
> 
> 2-Which temperatures I have to give as input before simulation run?
> 
> 3-For interior surface convection coefficients which expression -mixed 
> convection heat transfer coefficient formula explained on page 348
> (Engineering reference)for UCSD cross ventilation model or the 
> expression described on page 49(engineering reference)-ceiling diffuser 
> algorithm- does the program use? ?
> and if I want to give my own surface convection coefficients, in which 
> parts will they be included to the program?
> 
> 
> 
> thank you very much
> 
> 
> 
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> 
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> 
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> 
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> 
> 
> 
> 
> 


========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx





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