Abstract
Heat stress can result in uncompensated heat storage (termed heat strain and indicated by core temperature, TC), heat illness, impaired performance and fatigue, and represents a significant threat to the effectiveness of aircrew undertaking hot-weather operations. To determine the potential risk to aircrew, two physiological aircrew simulation trials (1 & 2) were undertaken to assess the environmental heat stress resulting in a mean TC of 38 °C (occupational limit [e.g. 1]), and the level of parallel heat strain variables.
Highlights
Heat stress can result in uncompensated heat storage, heat illness, impaired performance and fatigue, and represents a significant threat to the effectiveness of aircrew undertaking hot-weather operations
To determine the potential risk to aircrew, two physiological aircrew simulation trials (1 & 2) were undertaken to assess the environmental heat stress resulting in a mean Thermal Comfort (TC) of 38 °C, and the level of parallel heat strain variables
Physiological, and subjective indicators of heat strain were obtained in both trials
Summary
Heat stress and strain limits applicable to military helicopter aircrew Introduction Heat stress can result in uncompensated heat storage (termed heat strain and indicated by core temperature, TC), heat illness, impaired performance and fatigue, and represents a significant threat to the effectiveness of aircrew undertaking hot-weather operations. To determine the potential risk to aircrew, two physiological aircrew simulation trials (1 & 2) were undertaken to assess the environmental heat stress resulting in a mean TC of 38 °C (occupational limit [e.g. 1]), and the level of parallel heat strain variables.
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