Thermal Insulation Materials for Diver's Underwear Garment.

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Thermal Insulation Materials for Diver's Underwear Garment.

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dc.contributor.author Audet, NF
dc.contributor.author Orner, GM
dc.contributor.author Kupferman, Z
dc.date.accessioned 2007-11-24T02:23:41Z
dc.date.available 2007-11-24T02:23:41Z
dc.date.issued 1980
dc.identifier.citation Annual Winter Meeting of the American Society of Mechanical Engineers (ASME), Ocean Engineering Div., San Francisco, CA, 12-15 Dec 78. en
dc.identifier.govdoc ADA086743
dc.identifier.govdoc NCTRF-139
dc.identifier.govdoc F51523
dc.identifier.uri http://archive.rubicon-foundation.org/5021
dc.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. en
dc.description.abstract The Navy Clothing and Textile Research Facility (NCTRF) conducted studies on commercially available foam and fibrous thermal insulating materials to determine those which would be effective in a diver's dry-suit underwear garment. An effective insulation had to allow the pressurized gaseous environment existing within the diver's dry suit to permeate the insulation, have good compressional resistance at hydrostatic pressures up to 2 psi (13.8 kPa), and provide an intrinsic thermal insulation value of 1.0 to 1.5 clo. Evaluations of candidate materials and comparisons with existing materials used in diver's dry-suit underwear indicated that a fine pore open cell foam and the polypropylene microfiber batt material having densities of approximately 0.12 gr/c cm and 0.05 gr/c cm and thermal insulation resistance of 1.8 and 2.11 clo/cm at 2 psi (13.8 kPa), respectively, would meet the thermal requirements for the underwear garment and would be superior to those presently being used. The foam compressed less than 30% at 2 psi (13.8 kPa). The fibrous material compressed 60% at 2 psi (13.8 kPa) but had such a high specific clo value incompressed (2.27 clo/cm) that thermal resistance at 2 psi (13.8 kPa) was still estimated to be 2.11 clo/cm. en
dc.description.sponsorship US NAVY en
dc.format.extent 7442359 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher NAVY CLOTHING AND TEXTILE RESEARCH FACILITY NATICK MA en
dc.subject DIVERS en
dc.subject DIVING SUITS en
dc.subject thermal protection en
dc.subject THERMAL INSULATION en
dc.subject UNDERWEAR en
dc.subject POLYPROPYLENE en
dc.subject LOW DENSITY en
dc.subject POLYURETHANE RESINS en
dc.subject PROTECTIVE CLOTHING en
dc.subject THERMAL PROPERTIES en
dc.subject FOAM en
dc.subject Thinsulate en
dc.subject SYNTHETIC FIBERS en
dc.subject HYDROSTATIC PRESSURE en
dc.title Thermal Insulation Materials for Diver's Underwear Garment. en
dc.type Article en

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