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Liquid fuel combustion condition parameter measuring device and method

A liquid fuel and parameter measurement technology, which is applied in combustion methods, safety devices of combustion chambers, combustion chambers, etc., can solve problems such as the difficulty in calculating the gasification rate of liquid fuels, and improve the gasification rate and complete combustion efficiency of liquid fuels. Prevention of flame deflagration and tempering control, uniform temperature distribution

Active Publication Date: 2020-08-07
WUHAN UNIV OF TECH
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Problems solved by technology

Due to the characteristics of liquid fuel combustion, the traditional combustion technology has great difficulty in calculating the vaporization rate of liquid fuel.

Method used

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  • Liquid fuel combustion condition parameter measuring device and method

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034]It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are conventional methods, and the reagents and materials, if not otherwise specified, can be obtained from commercial sources; in the description of the present invention, The terms "landscape", "portrait", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationsh...

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Abstract

The invention discloses a liquid fuel combustion working condition parameter measuring device and method. A porous medium combustor comprises a fuel injection cavity, a porous medium gasification area, a premixing observation chamber, a porous medium anti-backfire area, a porous medium combustion area, a product collection chamber and heat insulation layers which are sequentially arranged from topto bottom, wherein the heat insulation layers are arranged on the two sides. Tracer particles are added into liquid fuel through a tracer particle generator, the change of the tracer particles is monitored through a PIV tester, and a schlieren instrument is used for capturing a transient image when the liquid fuel is gasified; and the high-speed camera is used for shooting a picture of liquid gasification time in the porous medium combustor and a flame surface at complete combustion time. According to the invention, the schlieren instrument and the PIV technology are adopted to capture the mixing state of two gas flow fields of liquid fuel and air in time, record the gasification moment of the liquid fuel and record the complete combustion moment of the liquid fuel by using the high-speedcamera to shoot the flame surface, so that the research on the working condition limit, especially the gasification rate and the complete combustion rate of the liquid fuel is facilitated.

Description

technical field [0001] The invention relates to the technical field of liquid fuel combustion, in particular to a device and method for measuring liquid fuel combustion working condition parameters. Background technique [0002] The current observation on the progress of liquid fuel combustion technology shows that the porous media burner has great development prospects in the application of industrial combustion to enhance liquid heat transfer. Compared with the traditional open flame burner system, the porous media burner has the advantages of high combustion density, complete fuel combustion, low carbon monoxide and nitrogen oxide emissions, compact structure, relatively high and uniform heat flux, and thermal cycle combustion characteristics, etc. . In addition, the porous media burner can enhance the droplet evaporation due to the regenerative combustion characteristics. In the traditional combustion system, due to the low thermal conductivity of the gas and less parti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/12F23M11/04
CPCF23M11/04G01N31/12
Inventor 代华明张冰倩朱惠薇王欣怡
Owner WUHAN UNIV OF TECH
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