Accession Number : ADA117864

Title :   Effectiveness of Ice (Water) Packets Vests in Reducing Heat Stress.

Descriptive Note : Technical rept.,

Corporate Author : ARMY RESEARCH INST OF ENVIRONMENTAL MEDICINE NATICK MA

Personal Author(s) : Fonseca,George F

PDF Url : ADA117864

Report Date : Mar 1982

Pagination or Media Count : 44

Abstract : The auxiliary cooling provided over the torso area by each of two similar ice (water) packets vests was directly measured on a life-sized sectional manikin. These vests were worn with a combat vehicle crewman (CVC) ensemble plus a complete chemical protective (CW) suit. Cooling rates provided (watts) versus time were determined for a completely wet (maximal sweating) skin condition during heat exposure to three hot environments. The number of ice packets attached to a vest varied from 43 to 91 ice pacekts. When approximately 50% of the torso surface area is covered by ice packets, each additional ice packet added to the vest increases the torso cooling to a greater degree than an ice packet added to a vest with less than 50% torso surface area coverage. Interface temperature between two ice packets and the torso surface and the temperature changes inside one ice packet during and experiment, were also measured. (Author)

Descriptors :   *Heat stress(Physiology), *Protective clothing, *Vests, *Water cooling, *Packets, Human body, Body temperature, Ice, Heat transfer, Crews, Combat vehicles, Aircraft

Subject Categories : Stress Physiology
      Protective Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE