It sounds like you want to modify the solar radiation on the weather file to be always clear, i.e., with Cloud Cover of 0. Algorithmically this is quite straight-forward, just run the ASHRAE Clear Sky Model for all days. Unfortunately, although the ACSM is quite simple, you will need to give it the solar altitude every hour. What you might do is to save the solar radiation values from the design runs as you have described for the 21st of each month, and repeat those for all days of that month. The errors would be minimal.
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Joe Huang
White Box Technologies
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On Apr 22, 2015, at 6:08 PM, "Matheus Tonelli Santos mtonellis@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
Hello.I`m trying to simulate the radiation for the whole year with the clean sky.I`m currently doing this with the design day at the solar model indicator setting the sky clearness to 1. But it`s just for a design day. Is there any way I could set the sky clearness to 1 for the whole year?I`m trying to evaluate the incident solar radiation with no clouds during the whole year. Can somebody help me with that ?Thanks for your time.arquiteto matheus tonelli santos
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