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Measuring energy expenditure (EE) in free-living humans is difficult. In this study, we validated a novel instrument that measures free-living EE from direct calorimetry, i.e. the heat produced by the body. The sensor can be worn on the upper arm and measures all four forms of heat flux - conduction, convection, radiation and evaporation. The accuracy of this device was compared to a whole-room indirect...
Based on heat balance theory, this article educes three thermal comfort indexes correspond to three different types of underground space. Thermal comfort test data are introduced to revise and classify the indexes. In addition, it takes questionnaire dissatisfaction rate as the gist of subjective evaluation and thermal comfort index value as the gist of objective evaluation to assess the micro-climate...
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