Journal of Japan Society for Safety Engineering
Online ISSN : 2424-0656
Print ISSN : 0570-4480
ISSN-L : 0570-4480
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Volume 26, Issue 1
JOURNAL OF JAPAN SOCIETY FOR SAFETY ENGINEERING_1987_1
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PROPOSAL FOR SAFETY
REVIEW
  • Analysis　of　Chemical　Reaction　Systems by　Maximum　Entropy　Formalism　（Ⅰ）
    Effective　Constraints　for　H2-02 and　CH4 Air　Systems
    [in Japanese]
    1987 Volume 26 Issue 1 Pages 14-19
    Published: February 15, 1987
    Released on J-STAGE: November 30, 2017
    DOIhttps://doi.org/10.18943/safety.26.1_14
    JOURNAL FREE ACCESS
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    The　time－dependent　behaviour　of　molecular　concentrations　and　pressure　have　been　used　as　the constraints　for　the　maximum　entropy　formalism（MEF）in　gas　explosion　systems　consistillg　of　H2－02 and CH4－air　mixtures.　The　predicted time－dependent　thermodynamic　properties　and　concentrations　of　var－ious　species　by　MEF　are　compared　with　those　calculated　by　numerical　integration　of　chemical　rate equations．When　a　single　constraint　of　a　major　component　is given，the　prediction　of　MEF　for　the H2－023ystems　are　very　excellent，but　two　or　more　constraints　are　required　for　prediction　of　minor species，　Also，　a　single　constraint is　insufficient　for　CH4-air　systems．　Present　study　suggests　that MEF　is　very　useful　for　analyzing　combustion　and　explosion　systems．

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  • Studies　on　the　Detemination　of　Beryllium　in　the　Atmospheric　Air by　Flameless　Atomic　Absorption　Spectrometry
    [in Japanese], [in Japanese]
    1987 Volume 26 Issue 1 Pages 20-24
    Published: February 15, 1987
    Released on J-STAGE: November 30, 2017
    DOIhttps://doi.org/10.18943/safety.26.1_20
    JOURNAL FREE ACCESS
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    [in Japanese]
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  • Quenching　Behavior　of　Paralle1－Plate　Type　Flame　Arrester
    [in Japanese]
    1987 Volume 26 Issue 1 Pages 25-30
    Published: February 15, 1987
    Released on J-STAGE: November 30, 2017
    DOIhttps://doi.org/10.18943/safety.26.1_25
    JOURNAL FREE ACCESS
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    Quenching　behavior　of　parlle1－Plate　type　Hame　arrester　which　is　a　most　essential type　of　arfester has　been　studied　to　clarify　the　design　criteria　of　H＆me　arrester　theoretica11y　and　experimentally」 In　case　of　higher　flame　velocity　it　was　recognized　the　blowing　off phenomenon，and　the　Hame with　lower　velocity　it　was　quenched　by　heat　loss、　Both　quenching　phenomena　showed　the　criticaI name　velocity．　The　effects　of　the　Iength　of　arrester　and　the　spacing　distance　of　each　plate　on　the critical flame velocity were clarified． The　Hame　quenching　caused　by　heat　loss　was　investigated　by　two　silnple　lnodels　and　effective relatiollship　for quellching　behavior　was　proposed.

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TECHNICAL REPORT
ACCIDENT ANALYSIS
SALOON
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