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  1. #1
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    Physiological Event Prediction in Evaluations of Underwater Breathing Apparatus

    Physiological Event Prediction in Evaluations of Underwater Breathing ApparatusClarke, JRThis report describes the use of Predict, in-house designed prediction software. NEDU performance goals for underwater breathing apparatus (UBA) based on ventilatory flow rate have served the Navy well for decades. Nevertheless, gas density is a major determinant of respiratory loading at depth, based on both experimental evidence and simple models of fluid mechanics. An understanding of the influence of flow rate and gas density are vital to understanding the performance characteristics of UBA, and the probable tolerance of a diver to those influences. Over a decade ago NEDU developed a constant respiratory impedance model for determining acceptable pressure drops across UBA, and created software to predict the tolerance of divers to UBA under varying dive conditions. The so-called maximum respiratory impedance model was calibrated on Navy manned dive results, and this paper describes the use of that model and the associated Predict software to predict diver tolerance based on unmanned data. It is arguably a more complete approach compared to methods already in Navy use, and is particularly useful in estimating the risk of diving UBA made inadequate by design or accident.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.

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  2. #2
    TDF Member Moleshome's Avatar
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    Are all your posts this riveting?

  3. #3
    Established TDF Member turnerjd's Avatar
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    Quote Originally Posted by Moleshome View Post
    Are all your posts this riveting?
    you're in the RSS feed from the Rubicion Foundation................ That means that posts here are automatic. Whenever there is a new publication in the RRR that is relevant to diving we get told about it. Actually, we get the publication abstract. For those of us interested in hyperbaric physiology it it a goldmine!

    Quote Originally Posted by Wikipedia page on the Rubicon Foundation
    The Rubicon Research Repository (RRR) is the foundation's premier project that started in 2006. The RRR is an online database of environmental physiology reports, including both hyperbaric and hypobaric medicine, as well as other environmental physiology topics.

    The RRR contains workshops and annual meeting proceedings from the American Academy of Underwater Sciences;Divers Alert Network's workshops and Report on decompression illness, diving fatalities, and Project Dive Exploration publications spanning from 1988 to 2007; some of the Diving Science And Technology Corp/ Professional Association of Diving Instructors symposia and technical reports; many of the National Underwater Accident Data Center at the University of Rhode Island diving accident and fatality reports spanning 1970 to 1989; workshops sponsored by the Smithsonian Institution Scientific Diving Program; the South Pacific Underwater Medicine Society Journal spanning 1971 to 2005; as well as many theses about diving and hyperbaric medicine.

    The collection also holds journals, abstracts, and workshops from the Undersea and Hyperbaric Medical Society such as: Undersea Biomedical Research Journal which spans 1974 to 1992; Journal of Hyperbaric Medicine spanning 1986 to 1992; Undersea and Hyperbaric Medicine Journal started in 1993 to current was started to combine the previous journal content into one location; Annual Scientific Meeting Abstracts starting 1974 to current; as well as many of the scientific workshop proceedings.

    Also available are technical reports from organizations that include: Defence R&D Canada; US Office of Naval Research; Royal Australian Navy School of Underwater Medicine; National Aeronautics and Space Administration; US Navy Experimental Diving Unit; US Naval Medical Research Institute; US Naval Submarine Medical Research Laboratory; as well as US Brooks Air Force Base and The Air Force School of Aerospace Medicine.

    See also Rubicon Foundation's suggested reading list.

    Other publications they have made electronic that are not currently included in the RRR are some UHMS's Underwater Medicine and Related Sciences and the Hyperbaric Oxygen Review journal which was published from 1980 to 1985.

    MORE INFORMATION HERE
    Last edited by turnerjd; 29-06-2018 at 02:35 PM.

  4. #4
    TDF Member Moleshome's Avatar
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