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Hello dear group, we are trying to calculate the solar radiation that comes directly from the sun (beam, diffuse and from the ground) in a plane with a specific inclination (Beta). As an input, we have all the weather data available from this place. We also have a reflective surface, like a mirror, that redirects the radiation and increases the solar gain in the first plane. We developed a "one thermal zone" + "shading group" sketch in E+ 8.4 but when we asked for output variables we only obtain values in those related to the inclined plane and only zeros in the radiation that theoretically comes from the reflective surface. Did anybody found a way to obtain how much radiation from the sun and the sky fall on a surface after bouncing a reflective surface? Thanks in advance, Regards!

Hello dear group, we are trying to calculate the solar radiation that comes directly from the sun (beam, diffuse and from the ground) in a plane with a specific inclination (Beta). As an input, we have all the weather data available from this place. We also have a reflective surface, like a mirror, that redirects the radiation and increases the solar gain in the first plane. We developed a "one thermal zone" + "shading group" sketch in E+ 8.4 but when we asked for output variables we only obtain values in those related to the inclined plane and only zeros in the radiation that theoretically comes from the reflective surface. Did anybody found a way to obtain how much radiation from the sun and the sky fall on a surface after bouncing a reflective surface? Thanks in advance, Regards!