Ten participants (7 male and 3 female) sat "side-on" to simulated solar radiation through a plain glass window for 30 minutes and provided, every five minutes, ratings of thermal comfort. Skin temperatures and environmental conditions were also recorded. They wore light trousers and white shirt with their normal underclothes and shoes (0.72 Clo including the seat). Before entering the radiation chamber participants were exposed to a thermal chamber set at 17°C ensuring that they were cooler than neutral. This air temperature was also maintained in the radiation chamber. The intensity of radiation arriving on the subject was 600 Wm~(-2). Results show that the effects of low air temperature combined with solar radiation can be predicted from a Predicted Mean Vote (PMV) model of thermal comfort with a simple modification for intensity of solar radiation.
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