Personalized local heating neutralizing individual, spatial and temporal thermo-physiological variances in extreme cold environments
Yi Ju, Xinyuan Ju, Hui Zhang, Bin Cao, Bin Liu, Yingxin Zhu

TL;DR
This study demonstrates that personalized heating garments can significantly improve thermal comfort in extreme cold environments by allowing individual adjustments, neutralizing variances in thermal demands, and supporting adaptive thermal comfort paradigms.
Contribution
The paper introduces a customizable heating garment system and provides experimental evidence of its effectiveness in neutralizing individual, spatial, and temporal thermal variances in cold environments.
Findings
Active heating improves thermal satisfaction significantly.
Personalized adjustments neutralize individual thermal variances.
Flexible local heating addresses diverse thermal preferences.
Abstract
In this paper, we investigate the feasibility, robustness and optimization of introducing personal comfort systems (PCS), apparatuses that promises in energy saving and comfort improvement, into a broader range of environments. We report a series of laboratory experiments systematically examining the effect of personalized heating in neutralizing individual, spatial and temporal variations of thermal demands. The experiments were conducted in an artificial climate chamber at -15 degC in order to simulate extreme cold environments. We developed a heating garment with 20 pieces of 20 * 20 cm2 heating cloth (grouped into 9 regions) comprehensively covering human body. Surface temperatures of the garment can be controlled independently, quickly (within 20 seconds), precisely (within 1 degC) and easily (through a tablet) up to 45 degC. Participants were instructed to adjust surface…
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Taxonomy
TopicsThermoregulation and physiological responses · Physiological and biochemical adaptations · Spaceflight effects on biology
