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From the total spectral emissivities determined for clear skies in a preceding paper their directional values are obtained. The Bliss formulation still used for this doing is justified. The results point out the inefficiency of a large band around the horizon for cooling purposes. As an application, a natural focusing system to obtain dew is explained.
Various aspects of comfort are analysed through a set of questions asked of 90 urban pedestrians. Answers show the contribution that clothes, time adaptation and other non thermal effects make in lowering the skin wetness and the perception of warmth. A shift exists between theory (established with subjects in climatic chambers) and statements. Searching for a comfortable feeling in this city, the...
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