The parameters I got from EPW file are 1 Extraterrestrial Horizontal Radiation (Wh/m²) 2 Extraterrestrial Direct Normal Radiation (Wh/m²) 3 Horizontal Infrared Radiation Intensity (Wh/m²) 4 Global Horizontal Radiation (Wh/m²) 5 Direct Normal Radiation (Wh/m²) 6 Diffuse Horizontal Radiation (Wh/m²) 7 Global Horizontal Illuminance (lux) 8 Direct Normal Illuminance (lux) 9 Diffuse Horizontal Illuminance (lux) 10 Zenith Luminance (Cd/m²) I found out the solar heat gain = SHGCArea of Window Solar radiation. How can I use these parameters (or any other parameters) to find diffused, direct and reflected radiation falling on the window? I am calculating the radiant cooling load and I wish to find out flowing in through the walls. Am I right in saying the solar heat gain will also be equal to the conduction+ convection through the walls and windows? I also want to know what factors will determine the temperature of the outside wall, because on a hot day if I touch any surface, it can feel hotter compared to the air surrounding my body. I want to know how to determine it.
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