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NBN ISO 9845-1:2019
Solar energy -- Reference solar spectral irradiance at the ground at different receiving conditions -- Part 1: Direct normal and hemispherical solar irradiance for air mass 1,5
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Summary
This part of ISO 9845 provides an appropriate standard spectral irradiance distribution to be used in determining relative performance of solar thermal, photovoltaic, and other systems, components and materials where the direct and hemispherical irradiance component is desired. Possible shortcomings caused by modelling of the ground component at a constant albedo of 0,2 are explicitly noted.
The tables presented in this part of ISO 9845 define an air mass 1,5 solar spectral irradiance, for use in all solar applications where a standard spectral irradiance is required, for the direct normal radiation - 5,8° field-of-view angle — and hemispherical radiation on an equator-facing, 37° tilted plane for an albedo of 0,2. These tables are intended to represent ideal clear sky conditions.
The tables presented in this part of ISO 9845 define an air mass 1,5 solar spectral irradiance, for use in all solar applications where a standard spectral irradiance is required, for the direct normal radiation - 5,8° field-of-view angle — and hemispherical radiation on an equator-facing, 37° tilted plane for an albedo of 0,2. These tables are intended to represent ideal clear sky conditions.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 04/17/2019 |
| Cancellation Date | 02/03/2023 |
| Page Count | 22 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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