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System and method for measuring thermophysical properties of phase-change material

A technology of phase change materials and thermophysical properties, which is applied in the field of measuring thermophysical properties of phase change materials, can solve problems such as uneven mixing of phase change materials, providing accurate data, and errors in measurement results, and achieves scientific measurement methods, easy maintenance, and The effect of taking up little space

Active Publication Date: 2020-06-16
SHANGHAI MARITIME UNIVERSITY
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Problems solved by technology

[0003] The purpose of the present invention is to provide a system and method for measuring the thermophysical properties of phase change materials to solve the lack of a system or method that can measure all these thermophysical properties in the prior art, and the error of measurement results due to uneven mixing of phase change materials It is too large to provide accurate data for engineering applications, and the problem of high measurement cost

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  • System and method for measuring thermophysical properties of phase-change material
  • System and method for measuring thermophysical properties of phase-change material

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Embodiment Construction

[0047] The following is attached Figure 1~2 and specific embodiments A system and method for measuring thermal physical properties of phase change materials proposed in the present invention will be further described in detail. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and all use imprecise scales, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention. In order to make the objects, features and advantages of the present invention more comprehensible, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implem...

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Abstract

The invention discloses a system and a method for measuring thermophysical properties of a phase change material. The system comprises a phase-change material container filled with the phase-change material to be measured, a water circulation system, a heating control system and a data acquisition control device, wherein the heating control system is used for heating or cooling the phase-change material container through using the water circulation system so as to change the state of the phase-change material, and the data acquisition control device is used for calculating the thermophysical properties of the phase-change material. The system and the method solve the problems that a system or a method capable of completely measuring the thermophysical properties does not exist in the priorart, accurate data cannot be provided for engineering application since the measurement result error is large due to the fact that phase-change materials are mixed unevenly and the measurement cost is high.

Description

technical field [0001] The invention relates to the technical field of phase change materials, in particular to a system and method for measuring thermal physical properties of phase change materials. Background technique [0002] The determination of heat of fusion and heat of solidification of phase change materials in the market generally takes a small number of samples for measurement, and a small number of samples cannot fully represent the thermal properties of the prepared phase change materials. In the sample preparation process, the preparation of a small amount of samples is prone to problems such as uneven mixing and large measurement errors, so higher requirements are put forward for the measurement accuracy. Some instruments can be specially used to measure the heat of fusion of phase change materials, but for crystalline hydrated salts, the heat of solidification of phase change materials cannot be measured, for example, the heat of fusion and solidification of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/20
CPCG01N25/20Y02E60/14
Inventor 刘彪章学来喻彩梅纪珺华维三甘伟毛发
Owner SHANGHAI MARITIME UNIVERSITY
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