Performance testing method and device of porous media burner
The technology of a porous medium and a detection method is applied in the performance detection of a porous medium burner and the performance detection device of a porous medium burner, which can solve the problems of low detection accuracy and achieve the effect of improving the detection accuracy.
Active Publication Date: 2017-02-15
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology
At present, the detection method of porous media burner is generally applicable to the combustion problem of gas or gas-solid two-phase flow. It is not very suitable for the new combustion problem of premixed combustion in foam ceramics, and there is a problem of low detection accuracy.
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[0021] In order to further illustrate the technical means adopted by the present invention and the achieved effects, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.
[0022] see figure 1 , is a schematic flow chart of the performance detection method of the porous media burner of the present invention.
[0023] The performance detection method of the porous media burner of the present invention comprises the following steps:
[0024] S101 Establish a discrete mathematical model of the premixed combustion process on the internal nodes of the porous media burner through the finite volume integral method;
[0025] S102 establishes a discrete mathematical model of the premixed combustion process at the boundary nodes of the porous media burner by controlling the volumetric energy balance method;
[0026] S103 simulate the premixed combustion process in the por...
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The invention discloses a performance detecting method for a porous medium burner. The method includes using limited volume integration to build premixed combustion discrete mathematic models on the internal nodes of the porous medium burner; building premixed combustion discrete mathematic models on the boundary nodes of the porous medium burner by controlling volume energy balance; simulating the premixed combustion process in the to-be-detected porous medium burner according to the discrete mathematic models; comparing the simulation results with the preset performance indexes to detect the combustion performance of the to-be-detected porous medium burner. The invention further discloses a performance detecting device for the porous medium burner. By the method and the device, detection precision of the premixed combustion performance of the porous medium burner is increased greatly.
Description
technical field [0001] The invention relates to the technical field of porous media burners, in particular to a performance detection method of a porous media burner and a performance detection device of a porous media burner. Background technique [0002] The premixed combustion in the porous media burner is a complex heat transfer process including chemical reaction and three heat transfer modes of heat conduction, convection and heat radiation. Therefore, when testing and verifying the performance of porous media burners, the testing of premixed combustion performance is a very important aspect. At present, the detection method of porous media burner is generally applicable to the combustion problem of gas or gas-solid two-phase flow. It is not very suitable for the new combustion problem of premixed combustion in foam ceramics, and there is a problem of low detection accuracy. . Contents of the invention [0003] Based on this, the present invention provides a perfor...
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IPC IPC(8): G01M99/00
Inventor 李德波
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID