LOW-PRESSURE COMPRESSED AIR BREATHING SYSTEMS STUDY. II. MARK V HELMET VENTILATION STUDIES.
Summary technical rept. 1 Apr-1 Aug 70,
BATTELLE MEMORIAL INST COLUMBUS OHIO COLUMBUS LABS
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This report presents experimental results of a testing program for determining mixing effectiveness factors and required ventilation rates for U. S. Navy Mark V diving helmets. Based upon the experimental results and data the following are concluded Previous ventilation calculations based on a mixing effectiveness factor of 1.0 were conservative a data base was obtained to more accurately predict required ventilation rates for hard hat diving The data base for the Mark V should prove to be a valuable tool for comparing the effectiveness of other ventilated helmets. Author
- Life Support Systems