MK 12 Surface Supplied Diving System Helium-Oxygen Emergency Mode Study

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MK 12 Surface Supplied Diving System Helium-Oxygen Emergency Mode Study

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Title: MK 12 Surface Supplied Diving System Helium-Oxygen Emergency Mode Study
Author: Spaur, WH; Thalmann, ED; Maulbeck, RC
Abstract: This experiment tested the duration that respirable gas would be available in the MK 12 helmet when gas supply from the umblical has been stopped. The emergency mode semi-closed recirculator operation was tested in 40 F (4.5 C) water in a wet chamber at depths of 390 and 80 FSW. The duration of reasonable life support was considered to be the time between shut-off of the umbilical supplied mixed-gas and the time when the helmet gas reached 3percent SEV. The results indicate that approximately 8 min of adequate life support are available in the emergency mode.
Description: Citation Status: Active; Citation Classification: Unclassified; Title Classification: Unclassified; Report Classification: Unclassified; Identifier Classification: Unclassified; Abstract Classification: Unclassified; Distribution Limitation(s): 01 - APPROVED FOR PUBLIC RELEASE; Information provided by the Department of Defense and the Defense Technical Information Center (http://www.dtic.mil/) is considered public information and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is requested.
URI: http://archive.rubicon-foundation.org/3286
Date: 1979

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