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Manufacturing method of porous media burner

A technology of porous media and manufacturing method, which is applied to combustion methods, burners, gas fuel burners, etc., can solve the problems of reducing the accuracy of numerical simulation, unable to achieve stable convergence in the solution process, affecting the combustion performance of porous media burners, etc. The effect of excellent combustion performance, guaranteed reliability and stability, and high numerical calculation accuracy

Active Publication Date: 2016-06-08
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology

The accuracy of numerical calculation of this method is only first order, which reduces the accuracy of numerical simulation, which in turn affects the combustion performance of the manufactured porous media burner
Moreover, when using this method for numerical simulation, the solution process often cannot achieve stable convergence

Method used

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  • Manufacturing method of porous media burner
  • Manufacturing method of porous media burner
  • Manufacturing method of porous media burner

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Embodiment Construction

[0012] 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.

[0013] see figure 1 , is a schematic flow chart of the manufacturing method of the porous media burner of the present invention. The manufacturing method of the porous media burner of the present invention comprises the following steps:

[0014] S101 Establishing the discrete control equation of premixed combustion inside the porous media burner; the convection term of the established discrete control equation adopts the first-order upwind difference scheme, and the diffusion term adopts the central difference scheme.

[0015] In the finite difference of computational fluid dynamics and computational heat transfer, the research on the difference scheme of the convection-diffusion term has been...

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Abstract

The invention discloses a manufacturing method of a porous medium burner, comprising: a discrete control equation of premixed combustion established inside the porous medium burner; a premixed combustion established on the boundary nodes of the porous medium burner by using the control volume energy balance method Discrete control equation; perform numerical simulation on the premixed combustion of the porous media burner under each candidate design parameter; screen each candidate design parameter according to preset screening conditions; manufacture the porous media burner according to the screened design parameters . The invention adopts the control volume energy balance method to establish the premixed combustion discrete control equation on the boundary node of the porous medium burner, which ensures the reliability and stability of the mathematical model and has higher numerical calculation accuracy. According to the results obtained by the simulated calculation of the model established in the present invention, each candidate design parameter of the porous media burner can be effectively screened, so as to manufacture the porous media burner with excellent combustion performance.

Description

technical field [0001] The invention relates to the technical field of porous media materials, in particular to a manufacturing method of a porous media burner. Background technique [0002] When designing and manufacturing a porous media burner, it is necessary to find the design parameters that can make the burner achieve the best performance. To achieve this purpose, in industrial practice, a large number of numerical simulations are often carried out before the porous media burner is manufactured. The method of screening design parameters through numerical simulation can save test cost, shorten design cycle and improve manufacturing efficiency. In order to carry out the numerical simulation of the porous media burner smoothly, it is necessary to establish the discrete control equation of the premixed combustion of the porous media burner. At present, the general practice is to use the virtual point method to establish the discrete control equations on the boundary node...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/12G06F17/50
Inventor 李德波
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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