Proposta metodológica para medir o encandeamento em ambientes internos utilizando quatro gamas de abertura ocula
DOI:
https://doi.org/10.22320/07190700.2024.14.01.01Palavras-chave:
ofuscament, conforto visual, indicadores ocularesResumo
O desenvolvimento de modelos de ofuscamento contribui para uma melhor avaliação do conforto visual dos ocupantes de ambientes internos. Os indicadores oculares podem ser uma ferramenta adequada para avaliar o ofuscamento de forma dinâmica em climas ensolarados para evitar o desconforto visual. Neste trabalho, o grau de abertura ocular é medido e proposto para ser medido em quatro faixas (oclusão, semi-oclusão, semi-abertura e abertura) por meio de um rastreador ocular. O objetivo deste trabalho foi avaliar como o grau de abertura ocular está relacionado aos níveis de iluminância vertical (Ev) abaixo de 2484 lx (valor em que aparece a sensação de brilho incômodo), bem como determinar se a percepção subjetiva de brilho das pessoas corresponde às faixas de brilho propostas por Wienold (2019). Esses parâmetros foram medidos em três condições de percepção de ofuscamento (perceptível, incômodo e intolerável). Os resultados mostraram que a medição da abertura ocular em quatro faixas tem o potencial de quantificar de forma objetiva e dinâmica a sensação de ofuscamento em todos os cenários avaliados e, em termos de sua relação com os valores de Ev de referência, os valores percebidos como perceptíveis e incômodos foram inferiores aos valores de referência, enquanto os valores percebidos como intoleráveis foram coincidentes.
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Direitos de Autor (c) 2024 Julieta Yamin-Garretón, Darío Jaime, Maureen de Gastines, Emanuel Schumacher, Andrea Pattini
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