Paper published in Lighting Research and Technology

To properly simulate or evaluate daytime NIF responses, we need spectrally resolved information on daylight.

Our paper, entitled “Forecast accuracy of existing luminance-related spectral sky models and their practical implications for the assessment of the non-image-forming effectiveness of daylight” and published today in Lighting Research and Technology investigates the forecast accuracy of current state-of-the-art, data-driven, spectral sky models and the practical implications of spectral forecast accuracies for the assessment of NIF responses. It also examines if the use of spectral sky models is more appropriate to predict the NIF effectiveness of daylight than the currently assumed CIE standard illuminant D65.

The findings highlight the need for directional information of spectral characteristics of daylight in order to properly display the non-uniformity of the spectral distribution of skylight for clear sky conditions and subsequently to simulate NIF responses of daylight for these conditions accurately.

You can find our paper here: https://doi.org/10.1177/1477153520982265

This research is supported by the Velux Stiftung.

#daylight #SpectralSkyModels #NIFeffectiveness

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