Combustible gas minimum ignition energy analysis method

An analysis method and ignition energy technology, which can be used in the analysis of materials, fuel oil testing, material inspection products, etc.

Active Publication Date: 2021-02-09
XIAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the prior art, scholars are accustomed to using ignition energy as an influencing factor to analyze its impact on other explosion parameters, but lack the most basic analysis method for the minimum ignition energy of combustible gas

Method used

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  • Combustible gas minimum ignition energy analysis method
  • Combustible gas minimum ignition energy analysis method

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Embodiment Construction

[0064] Such as figure 1 Shown, combustible gas minimum ignition energy analysis method of the present invention comprises the following steps:

[0065] Step 1, establishing the minimum ignition energy model of combustible gas based on the flame diffusion boundary layer theory;

[0066] Step 2, analyzing the parameters in the combustible gas minimum ignition energy model;

[0067] Step 3, analyzing the critical flame radius in the combustible gas minimum ignition energy model;

[0068] Step 4, analyzing the critical number of flame layers in the combustible gas minimum ignition energy model;

[0069] Step five, obtaining the calculation model of the minimum ignition energy of combustible gas.

[0070] In this embodiment, the specific process of establishing the combustible gas minimum ignition energy model based on the flame diffusion boundary layer theory described in step 1 includes:

[0071] Step 101. Obtain the heat release E of the particles in the upper layer of the f...

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Abstract

The invention discloses a combustible gas minimum ignition energy analysis method. The method comprises the steps: 1, establishing a combustible gas minimum ignition energy model based on a flame diffusion boundary layer theory; 2, analyzing parameters in the combustible gas minimum ignition energy model; 3, analyzing the critical flame radius in the combustible gas minimum ignition energy model;4, analyzing the number of critical flame layers in the combustible gas minimum ignition energy model; 5, obtaining a calculation model of the minimum ignition energy of the combustible gas. The method is simple in step and reasonable in design, the calculation model of the minimum ignition energy is established on the basis of the flame diffusion boundary layer theory and the fuel property and incombination with the physicochemical basis, the minimum ignition energy of combustible gas can be effectively analyzed, the influence rule of model parameters on the minimum ignition energy of the combustible gas is analyzed, the analysis effect is remarkable, aa foundation is laid for detection of gas explosion performance, and popularization is facilitated.

Description

technical field [0001] The invention belongs to the technical field of gas explosion performance detection, and in particular relates to a method for analyzing the minimum ignition energy of combustible gas. Background technique [0002] The energy of the ignition source is one of the important conditions to determine whether the combustible gas can explode, and it has the same weight as the explosion limit and oxygen content, and the role of the ignition source is the most direct cause of the gas explosion accident. However, the current gas explosion monitoring technology mainly focuses on the explosion limit and oxygen content, and the only one-sided measures related to the ignition source are anti-friction, static electricity control, and open flame prohibition. [0003] In a confined space with sufficient oxygen content, the combustible gas that meets the explosion limit needs to be induced by an ignition source with sufficient energy to explode. Generally, the ignition ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/25G01N25/54G01N33/22G06F111/10G06F113/08G06F119/08
CPCG06F30/25G01N25/54G01N33/225G01N33/227G06F2111/10G06F2113/08G06F2119/08
Inventor 罗振敏李大方苏彬王涛苏洋刘利涛王亚超朱晓春
Owner XIAN UNIV OF SCI & TECH
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