Thermal responses and physiological strain in men wearing impermeable and semipermeable protective clothing in the cold

Article Abstract:

Men can use both impermeable and semipermeable nuclear, biological and chemical (NBC) protective clothing in cold conditions at a moderate work load for long periods in the absence of whole body heat debt or heat load. A rapid cooling of fingers and hands occur during rest periods, causing discomfort and a fall in performance. The semipermeable NBC suit, compared to impermeable suit, provides better protection against cold by enabling higher body heat storage and quicker rewarming of the peripheral body parts during work.

Analysis, Stress (Physiology), Cold weather clothing, Shielding (Heat), Heat shielding

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Manual performance in cold conditions while wearing NBC clothing

Article Abstract:

A study was conducted on manual performance while wearing a whole body nuclear, biological and chemical garment at -10 degrees C. Findings indicated that exposure to -10 degrees C for 40 minutes decreased finger skin temperatures to nearly 10 degrees C. The cooling of the fingers decreased manual performance, particularly in relation to finger dexterity. These results suggested that physical exercise could significantly increase finger temperature and restore the manual performance in cold conditions.

Physiological aspects, Clothing and dress, Clothing, Manual work, Temperature

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Micro-environment changes inside impermeable protective clothing during a continous work exposure

Article Abstract:

Heat increases quickly in micro-climate inside non-permeable protective clothing. A study of 15 workers in protective clothing used remote sensors to measure the temperature inside the protective clothing rose from a temperature of 30.1C to 34.6C in just one hour. Temperatures in the work room need to be adjusted to prevent heat stress.

United States, Health aspects, Statistical Data Included, Prevention, Protective clothing, Environmental engineering, Heat exhaustion

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