A Monte Carlo method-based dangerous goods storage yard explosion power determination method

A technology of Monte Carlo method and determination method, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of accurate determination of explosion power and poor adaptability in storage yards of difficult and dangerous goods, and achieve good adaptability, The effect of high accuracy

Active Publication Date: 2019-05-10
ARMY ENG UNIV OF PLA +1
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Problems solved by technology

Since the types and stockpiles of dangerous goods in the yard are difficult to describe with a single or fixed index, the existing methods are difficult to accurately determine the explosion power of randomly stacked dangerous goods yards, and have poor adaptability

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  • A Monte Carlo method-based dangerous goods storage yard explosion power determination method
  • A Monte Carlo method-based dangerous goods storage yard explosion power determination method
  • A Monte Carlo method-based dangerous goods storage yard explosion power determination method

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred calculation cases.

[0021] Such as figure 1 As shown, the present invention is based on the method for determining the explosive power of the dangerous goods yard of the Monte Carlo method, and the method may further comprise the steps:

[0022] (10) Statistical classification of explosives: classify the explosives stored in the yard according to their types;

[0023] By making statistics on the dangerous goods (explosives) stored in the dangerous goods container yard, the explosives to be stored in the yard in the future are divided into m categories, and the density ρ corresponding to each type of dangerous goods is calculated separately i and TNT equivalent conversion coefficient γ i . For the same class of explosives, γ i , ρ i can be regarded as constants, so a new conversion coefficient physical quantity α can be introduced i = γ i ρ ...

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Abstract

The invention discloses a method for determining the explosive power of a hazardous article storage yard based on a Monte Carlo method. The method comprises the following steps: (10) explosive statistical classification: classifying explosives piled up in the storage yard according to types; (20) determining the number of times of random simulation: determining the number n of times of random simulation through an error calculation formula of a Monte Carlo method; (30) carrying out random simulation: carrying out n groups of random simulation and calculating equivalent TNT equivalent values corresponding to each group of random simulation values; (40) determining a probability density distribution function: determining the distribution function of the probability density through the distribution of equivalent TNT equivalent values; and (50) calculating an equivalent TNT equivalent design value: calculating the equivalent TNT equivalent design value of the storage yard on the basis of the given effective protection probability. The method for determining the explosion power of the hazardous article storage yard is good in adaptability and high in accuracy.

Description

technical field [0001] The invention belongs to the technical field of safety planning and protection design of dangerous goods storage yards, in particular to a method for determining explosion power of dangerous goods storage yards based on Monte Carlo method with good adaptability and high accuracy. Background technique [0002] The dangerous goods container yard is an important infrastructure for maintaining industrial production and urban operation. Since most dangerous goods have obvious flammable and explosive characteristics, explosion safety planning and protection design must be carried out in dangerous goods yards. After the "8.12" explosion accident in Tianjin Port dangerous goods warehouse, the site selection and safety protection design of dangerous goods container yards have attracted more and more attention from all walks of life. However, my country has not yet established a comprehensive system for dangerous goods container yards. The normative system, espe...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 陈力陈大鹏方秦邢健陈武争
Owner ARMY ENG UNIV OF PLA
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