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Realization method for simulating combustion flame of aviation kerosene by using combustion flame of propane

An aviation kerosene and combustion flame technology is applied in the field of propane combustion flame simulating aviation kerosene combustion flame, which can solve the problems of large pollution and uncontrollability, and achieve the effect of a wide range of sources.

Inactive Publication Date: 2017-08-15
中国船舶重工集团公司第七〇三研究所
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Problems solved by technology

[0003] The use of aviation kerosene as fuel in fire simulation training and rescue facilities has the disadvantages of heavy pollution and uncontrollability

Method used

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  • Realization method for simulating combustion flame of aviation kerosene by using combustion flame of propane
  • Realization method for simulating combustion flame of aviation kerosene by using combustion flame of propane
  • Realization method for simulating combustion flame of aviation kerosene by using combustion flame of propane

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Embodiment Construction

[0021] A method for simulating aviation kerosene combustion flames with propane combustion flames, the steps of the method are as follows:

[0022] Step 1: Analyze the characteristics of the burner of aviation kerosene. The fuel used is aviation kerosene. The oil pool adopts a square oil pool (rectangular pool or round), and the thickness, initial temperature and ignition method of the fuel are fixed (alcohol ignition). Research Combustion characteristics of oil pool fires of different sizes under different transverse winds and different placement factors, including: heat release rate analysis; combustion rate analysis, flame height analysis, etc. The specific variation law of the placement factor and the size of the oil pool;

[0023] Step 2: According to the heat release rate of aviation kerosene, the heat release rate value of aviation kerosene under the oil pool fire shape is obtained. The heat release rate (HRR) is an important parameter for evaluating the fire scale when...

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Abstract

The invention discloses a realization method for simulating combustion flame of aviation kerosene by using combustion flame of propane, and relates to the technical field of fire safety. By analyzing a combustion characteristic of the aviation kerosene, a corresponding combustion mathematic model is built; and a model algorithm for simulating combustion of the aviation kerosene by utilizing combustion of propane is realized mainly from three aspects of heat release rate equivalence, combustion rate equivalence and flame height equivalence. The heat release rate equivalence shows that heat released in a combustion process is same, and can be represented as the harm degree of fire in the combustion process. The combustion rate equivalence shows that the fuel combustion consumption is same. The flame height equivalence shows that fire intensity of combustion is similar. The propane flow required for simulating the flame height of the aviation kerosene under a certain area is calculated according to the method; and the flame height generated by using a system for simulating a combustion state of the aviation kerosene has relatively high similarity with that of the aviation kerosene.

Description

Technical field: [0001] The invention relates to the technical field of fire safety, in particular to a method for simulating aviation kerosene combustion flames with propane combustion flames. Background technique: [0002] Aviation kerosene leakage is easy to cause fire, and it mostly occurs in the air intake and outlet of aircraft engines, wing fuel tanks, landing gear, etc. The combustion of aviation kerosene has the characteristics of fast burning speed, ferocious fire, and strong radiant heat. The fire is extremely harmful, often causing heavy economic losses and heavy casualties. Aviation kerosene fire rescue is regarded as an important function in various types of aircraft fire rescue simulation training facilities. [0003] The use of aviation kerosene as fuel in fire simulation training and rescue facilities has the disadvantages of heavy pollution and uncontrollability. Propane has the characteristics of low pollution, controllable combustion and wide sources. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G09B25/00
CPCG09B25/00G06F30/20
Inventor 宋子刚董辉李志奎李延彬齐跃孙振晓韩锋王卓刚
Owner 中国船舶重工集团公司第七〇三研究所
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