Departmental Bulletin Paper 最大拡散半径等を求めるノモグラムの自動算出
Automatic CAlculation of Nomogram for Determing the Maximum Spread Radius, etc


58 ( 1・2 )  , pp.35 - 44 , 20150327 , 海上保安大学校
In response to accidents at sea of Hazardous and Noxious Substances(HNS),it is indispensable to evaluate releases of hazardous chemical vapors towards downwind. At present,there is the monogram, developed by the Maritime Disaster Prevention Center(MDPC), which evaluates the maximum spread radius and the reaching period based on the volume,density,vapor pressure and viscosity of the substance. Since the MDPC monogram is calculated through the logarithm graph,it is supposed to be difficult for the persons concerned including the Japan Coast Guard officers. This paper proposes Excel spreadsheets which automatically calculate the monogram.

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