A Method for Analyzing the Minimum Ignition Energy of Combustible Gas

An analysis method and ignition energy technology, applied in the direction of analysis materials, fuel oil testing, instruments, etc., can solve the problem of lack of analysis methods for the minimum ignition energy of combustible gas, and achieve the effect of easy promotion, remarkable analysis effect and simple steps

Active Publication Date: 2022-01-28
XIAN UNIV OF SCI & TECH
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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

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  • A Method for Analyzing the Minimum Ignition Energy of Combustible Gas
  • A Method for Analyzing the Minimum Ignition Energy of Combustible Gas
  • A Method for Analyzing the Minimum Ignition Energy of Combustible Gas

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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 method for analyzing the minimum ignition energy of combustible gas, which comprises steps 1, establishing a combustible gas minimum ignition energy model based on flame diffusion boundary layer theory; The critical flame radius in the gas minimum ignition energy model; 4. Analyze the critical flame layer number in the combustible gas minimum ignition energy model; 5. Obtain the calculation model of the combustible gas minimum ignition energy. The method of the invention has simple steps and reasonable design. Based on the flame diffusion boundary layer theory and the properties of the fuel itself, a calculation model for the minimum ignition energy is established in combination with physical and chemical foundations, which can effectively analyze the minimum ignition energy of the combustible gas, and analyze the effect of the model parameters on the minimum ignition energy of the combustible gas. The influence law of ignition energy, the analysis effect is remarkable, lays the foundation for the detection of gas combustion and explosion performance, and is easy to popularize.

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 ...

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Application Information

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Patent Type & Authority Patents(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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