Solid-liquid phase change material surface heat flow measurement method and system based on dispersive fuzzy reasoning mechanism

A solid-liquid phase transition and fuzzy reasoning technology, applied in the direction of reasoning methods, material thermal development, etc., can solve the problems of inconvenience and large errors, and achieve the effect of reducing the impact, improving the utilization efficiency, and promoting the utilization of new energy.

A solid-liquid phase transition and fuzzy reasoning technology, applied in the direction of reasoning methods, material thermal development, etc., can solve the problems of inconvenience and large errors, and achieve the effect of reducing the impact, improving the utilization efficiency, and promoting the utilization of new energy.

CN114018972APending Publication Date: 2022-02-08ZHUZHOU NAT INNOVATION RAILWAY TECH CO LTD
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  • Solid-liquid phase change material surface heat flow measurement method and system based on dispersive fuzzy reasoning mechanism
  • Solid-liquid phase change material surface heat flow measurement method and system based on dispersive fuzzy reasoning mechanism
  • Solid-liquid phase change material surface heat flow measurement method and system based on dispersive fuzzy reasoning mechanism

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Embodiment Construction

[0063] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0064] Such as figure 1 Shown, a kind of solid-liquid phase change material surface heat flow measurement method based on dispersion fuzzy reasoning mechanism of the present invention comprises:

[0065] Step S1: Establish a coupled heat transfer model of radiation heat conduction inside the solid-liquid phase change material, given the heat flow distribution on the surface of the material initial guess value of ;

[0066] Step S2: Select M temperature measuring points on the surface of the solid-liquid phase change material, and use an infrared thermal imager to record the temperature information of the M measuring points at N measurement times M and N are natural numbers;

[0067] Step S3: Based on the coupled heat transfer model of radiation and heat conduction inside the solid-liquid phase change material, calculate the tempe...

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Abstract

The invention discloses a solid-liquid phase change material surface heat flow measurement method and system based on a dispersion fuzzy reasoning mechanism. The method comprises the steps of: S1, building a solid-liquid phase change material internal radiation heat conduction coupling heat exchange model, and giving an initial guess value of material surface heat flow distribution; S2, selecting M temperature measuring points, and recording temperature information; S3, calculating the temperatures of the M measuring point positions along with the time change; S4, establishing an input signal of surface heat flow measurement according to the measured values and the calculated values of the temperatures of the M measuring points; S5, constructing a fuzzy reasoning unit for measuring the surface heat flow of the solid-liquid phase change material, and obtaining a reasoning result; S6, constructing a dispersive fuzzy reasoning module based on the fuzzy reasoning unit and a comprehensive weighting coefficient; and S7, updating the heat flow distribution according to an output result of the dispersive fuzzy reasoning module, and checking iteration. The system is used for executing the method. The method and system have the advantages of simple principle, easiness in implementation, simplicity and convenience in operation, high measurement precision and the like.

Description

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Application Information

Patent Timeline
08 Feb 2022
Publication
CN114018972A