Highlights
Medical gowns are essential personal protective equipment (PPE) for healthcare workers and medical professionals.
Due to shortages of PPE during surge capacity situations, such as the current COVID-19 pandemic, the CDC recommends washable cloth isolation gowns be used.
Multiple-use gowns are superior from an environmental perspective, as well as, from a protection and durability standpoint.
Reusable gowns provide greater water resistance, strength, and pilling resistance than disposable gowns.
Industrial laundering does not negatively affect the protection or performance of reusable gowns across the expected service lifespan.
The purpose of this review article is to evaluate ventilation, within protective clothing, for its benefit towards heat loss. Literature from ventilation studies in the sports apparel, outdoor clothing, military, chemical, and firefighter protection industries will be examined for future research opportunities. Challenges to ventilation such as garment placement, protection, wearability, and durability will be discussed in the context of turnout suits. Ventilation designs will be considered for further evaluation in structural firefighter turnout garments. This article serves as the first comprehensive review of ventilation literature for structural firefighter turnout ensembles. Researchers, technologists, and functional apparel designers may all benefit from such a review. The value of ventilation and its potential contribution to current firefighter turnout research will be discussed.
A modular approach for arranging the component layers used in the construction of structural firefighter turnout garments is explored as a strategy for reducing the thermal burden contributed by these protective garments to firefighter heat stress. An instrumented sweating manikin was used to measure the insulation, evaporative resistance and total heat loss through turnout systems configured to represent different layering strategies. The outer shell, moisture barrier and thermal liner layers of the structural turnout base composite were tested individually to determine each layer's thermal insulation and evaporative resistance. Multiple two- and three-layer combinations were analyzed for their application in specific working conditions. This study demonstrates that the moisture barrier layer contributes the most resistance to evaporative heat loss through the turnout system, while dry heat loss is most restricted by the thermal liner component. Removal of a single inner liner layer was equally beneficial for heat loss, regardless of material properties. It shows the potential benefit of turnout design strategy that utilizes a modular or adaptive layering approach to reduce turnout-related heat strain in conditions consistent with fire protection.
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