The use of bubble canopies to improve vision in fighter aircraft exposes the cockpit to a high radiant heat load. An F-15 aircraft at Edwards AFB was modified to permit cockpit ventilation by external ground carts. Eight volunteers from the Test Pilot School were studied during 1-hour periods in the closed cockpit, in sun and in shade. Sunlight added significantly to overall heat stress. Particularly high skin temperatures were observed on the chest, the forehead and the top of the head under the helmet. The legs remained cool due to the flow of conditioned air, and this may explain why rectal temperature showed no meaningful change. Possible means of eliminating or ameliorating these effects are discussed.
Physiological Effects of Solar Heat Load in a Fighter Cockpit
1976
7 pages
Report
No indication
English
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