 Knowing the amount of air that must be used does not solve the ventilation problem unless there is some way to determine the volume of air actually being used for ventilation. The standard procedure is to open the exhaust valve a given number of turns...  The NOAA Diving Manual: Diving for Science and Technology - Page 14-24by United States. National Oceanic and Atmospheric Administration. Manned Undersea Science and Technology Office - 1975 - 368 pagesFull view - About this book
 | United States. Naval Ship Systems Command. Supervisor of Diving - 1970 - 764 pages
...can be flushed continuously at a steady rate of 4 cubic feet per minute. (b) Setting the valves. — Knowledge of the amount of air that must be used does...volume of air actually being used for ventilation. One such means would be provided if it were known that opening the exhaust valve a certain number of... | |
 | United States. Naval Sea Systems Command. Supervisor of Diving - 1973 - 384 pages
...chamber can be flushed continuously at a steady rate of 4 cubic feet per minute. Setting Valves 8.4.3.4.1 Knowledge of the amount of air that must be used does...procedure is to open the exhaust valve a given number of tums (or fraction of a tum), which provides a certain number of cubic feet of ventilation per minute... | |
 | 1994 - 625 pages
...most masks should be supplied with gas at between 75 and 100 psig above the chamber pressure. Knowing the amount of air that must be used does not solve...open the exhaust valve a given number of turns (or fractions of a turn), which provides a certain number of actual cubic feet of ventilation per minute... | |
 | 1999 - 530 pages
...carbon dioxide level below 1.5 percent surface equivalent (sev). D-5.4.1 Chamber Ventilation Bill. Knowledge of the amount of air that must be used does...given number of turns (or fraction of a turn), which will provide a certain number of cubic feet of ventilation per minute at a specific chamber depth,... | |
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