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[EnergyPlus_Support] dry bulb temperature of energyplus--weather conversion


I am doing the interaction of a CFD model and EnergyPlus.
By both softwares, I want to find out how the heat rejection affect the 
outside temperature and its feedback including the extra electric 
consumption of air conditioners.
The heat rejection of air conditioners calculated by the EnergyPlus will 
be an input to a CFD model.
By the simulation of a CFD model,  the distribution of outside 
temperature and humidity can be clarified.
The increase temperature will then be a new input to EnergyPlus to 
calculate the extra electric consumption of air conditioners.
The temperature of each point simulated by the CFD model will be 
different, so I wonder which temperature is better for me to use when 
running the EnergyPlus program.
The two choices now I am thinkg of are
1) the average temperature that is just next to the wall and
2) the average ambient temperature
Well, it,  of course, depends on how the EnergyPlus calculates the dry 
bulb temperature, humidity and so on.
Do you have any suggestions? 1) or 2) which is bettter?

The parameters I will change are temperature, humidity, wind speed and 
wind direction.
It is relatively easy to change the DesignDay, but how to convert the 
weather file becomes a question to me.
I mean where should I start after converting the wather file to csv format?
Is there any document talking about that?
I see lots of information with date listing there, but don't know what 
to do?
Thank you very much.


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