Accelerated Decompression Using Oxygen for Submarine Rescue - Summary Report and Operational Guidance

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Accelerated Decompression Using Oxygen for Submarine Rescue - Summary Report and Operational Guidance

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Title: Accelerated Decompression Using Oxygen for Submarine Rescue - Summary Report and Operational Guidance
Author: Latson, GW; Flynn, ET; Gerth, WA; Thalmann, ED
Abstract: In certain situations, a disabled submarine could become internally pressurized due to flooding, leakage of compressed gas supplies, or use of auxiliary breathing systems. This could result in the survivors being saturated with nitrogen at elevated pressures. Efficient submarine rescue requires that pressurized crew members be decompressed more rapidly than current procedures on air allow. NEDU has investigated the ability of oxygen to accelerate decompression following saturation with nitrogen-oxygen. Initial attempts resulted in an unexpectedly high incidence of severe decompression sickness. Subsequent decompression schedules including a period of isobaric oxygen breathing (pre-breathing) with a shorter total ascent time were significantly better than staged decompression of comparable length. Pre- breathing oxygen, or nitrogen-oxygen mixtures, is an effective decompression strategy. This report summarizes the experiments and presents decompression procedures for emergency use in submarine rescue.
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/3582
Date: 2000

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