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2016-06-03 08:47:02 -0500 received badge  Editor (source)
2016-06-03 08:24:49 -0500 asked a question Maintain the position, intensity and duration of the Sun?

I'm searching a way to maintain the solar radiation (direct and diffuse) constant over more than a day in EnergyPlus. I'm opening again a discussion that exist already (Maintain the daylight more than 24h?).

  • To maintain the intensity, it only needs to manipulate the weather data. But there are troubles with the daylight. When the night comes, all the radiations are forced to be at zero.
  • To maintain the duration, as it can be seen in the previous discussion, the building can be located in the North Pole. It works to maintain the daylight constant but not the direct radiation. Indeed, the Direct Radiation depend on the cardinal direction, in this location the sun is turning around the building. As the building is not circular (but rectangular), the amount of radiation received in the building is not constant.

I'm wondering if someone know a solution to implement this kind of experiment.

2016-04-14 05:02:15 -0500 commented answer Maintain the daylight more than 24h?

But there is something not good in this case. Indeed the sun is up for a long while, but the sun turn around my home and the contribution is not the same as if the sun stays in only one part of the building. I would have thought that there would be some option to enable or disable features such as solar radiation.

2016-04-13 02:22:16 -0500 commented question Maintain the daylight more than 24h?

Yes it works really well! Thank you. (If people use weather files, do not forget to change the location in these files also)

2016-04-11 09:41:26 -0500 received badge  Student (source)
2016-04-11 09:39:01 -0500 asked a question Maintain the daylight more than 24h?

Hi,

I'm trying to maintain constant the diffuse/direct/global solar radiation for more than 24h. Actually, I can manipulate the weather data, but when I put a constant value to these variables, the output of EnergyPlus takes into consideration the sunrise and sunset. I tried to find the a variable which could help me to not allow the sunrise or sunset, like Azimuth angle, but I think it is implemented directly in the EnergyPlus code.

Do anyone have an idea how can I implement it?

Thank you