Abstract
Heat stress has been considered as a common risk to impair work performance, which may lead to heat illnesses, work incidents, or even fatality. Over the past few decades, various types of personal cooling systems (PCSs) have been developed to mitigate heat strain, e.g., cooling vests with ice packs or phase change material (PCM) packs or frozen gel strips, garments with liquid cooling systems and garments with forced air ventilation. In this study, a novel personal cooling system (PCS) incorporated with both PCMs and ventilation fans was developed and its cooling efficiency was evaluated on a sweating manikin.
Highlights
Heat stress has been considered as a common risk to impair work performance, which may lead to heat illnesses, work incidents, or even fatality
The phase change material (PCM) led to a higher manikin heat loss at the initial testing stage and it gradually decreases to a steady state
No heat loss difference was found between PCM+Fan-off and Fan-off
Summary
Heat stress has been considered as a common risk to impair work performance, which may lead to heat illnesses, work incidents, or even fatality. A novel personal cooling system (PCS) incorporated with both PCMs and ventilation fans was developed and its cooling efficiency was evaluated on a sweating manikin
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