Forced Air Warming system: prototype III final report


  1. Leggatt, J.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Mustang Survival Corp, Richmond BC (CAN)
This report details the design and development of a Forced Air Warming (FAW) system for the Defence and Civil Institute of Environmental Medicine (DCIEM). Mustang Survival Corporation partnered with DCIEM in the development of two previous versions of FAW systems. Thus the present version has been appropriately named the FAW III. Previous versions of the FAW concept successfully demonstrated that such a system, if deployed in the field, would have the capability of providing a 30% increase in re-warming efficiency compared to warming bags currently used during Search and Rescue (SAR) operations. Current field treatment systems for hypothermia use a combination of active and passive warming. The primary mode of heat transfer in these systems is conduction; the bag is actively heated. Passive insulation is used to mitigate against heat loss to the environment. The premise of the FAW system is to utilize a higher form of heat transfer, convection, for immediate treatment of subjects suffering from hypothermia. This a achieved by creating a heated microenvironment around the subject's body by blowing heated air through air distribution manifolds. However, several limitations for the field use of the previous two prototypes were identified and a third iteration of the FAW was initiated. TRUNCATED
Forced Air Heating;Forced Air Warming;Field rewarming
Report Number
DCIEM-CR-2001-008 — Contractor Report
Date of publication
15 Oct 2001
Number of Pages
Hardcopy;Document Image stored on Optical Disk

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