• The Solar Heliodon: Physical Simulation of Dynamic Daylighting Conditions in Scale Architectural Models for Subjective and Objective Human-Factors Evaluation

The Solar Heliodon: Physical Simulation of Dynamic Daylighting Conditions in Scale Architectural Models for Subjective and Objective Human-Factors Evaluation

ASHRAE , 2020

Publisher: ASHRAE

File Format: PDF

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This paper describes the design, operation, anddemonstration of the Solar Heliodon, a novel mechanicalinstrument developed to enable automated simulation ofinterior daylighting conditions with physicalarchitectural models using the sun as a light source. Anexperiment involving two physical models, one withangularly-selective complex fenestration and the otherwith a holographic window film, is performed toillustrate the applicability of the instrument for enablingsubjective and objective human-factors evaluation ofoptically complex daylighting design concepts. Benefitsand limitations relative to contemporary computationalapproaches to model generation, simulation, andevaluation are discussed.

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