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Method, system and equipment for determining heating power of heater for heat absorption structure and medium

A heating power and determination method technology, applied in the field of heater heating, can solve problems such as test failure, radiation heat loss, heater heating power cannot meet the surface temperature rise, etc.

Pending Publication Date: 2022-08-09
CHINA AIRPLANT STRENGTH RES INST
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Problems solved by technology

[0003] In the structural thermal strength test, the heating power of the heater is mostly determined according to the heat absorption rate of the surface temperature rise of the heat-absorbing structure. However, in practice, the surface of the heat-absorbing structure will conduct convective heat exchange with the surrounding air and radiate heat to the surrounding space. , so that there are convective heat loss and radiation heat loss, the convective heat loss and radiation heat loss on the surface of the endothermic structure will be ignored, and the heating power of the heater will be determined only according to the surface temperature rise and heat absorption rate of the endothermic structure. There is a heater The heating power cannot meet the demand of the surface temperature rise of the heat-absorbing structure, resulting in the failure of the test

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  • Method, system and equipment for determining heating power of heater for heat absorption structure and medium
  • Method, system and equipment for determining heating power of heater for heat absorption structure and medium
  • Method, system and equipment for determining heating power of heater for heat absorption structure and medium

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[0101] In order to make the technical solution of the present application and its advantages more clear, the technical solution of the present application will be further described in detail and completely with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the present application. The examples are only used to explain the present application, but not to limit the present application. It should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, and other related parts may refer to the general design. If there is no conflict, the embodiments in the present application and the techniques in the embodiments Features can be combined with each other to obtain new embodiments.

[0102] Also, unless otherwise defined, the technical or scientific terms used in the description of this application shall have the ordinary meaning as...

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Abstract

The invention belongs to the technical field of heater heating, and particularly relates to a method for determining the heating power of a heater for a heat absorption structure. Calculating the surface convective heat loss rate of the heat absorption structure; calculating the surface radiation heat loss rate of the heat absorption structure; integrating the surface temperature rise heat absorption rate, the surface convection heat loss rate and the surface radiation heat loss rate of the heat absorption structure to obtain the surface heat flux density of the heat absorption structure; and calculating the heating power of the heater based on the surface heat flux density of the heat absorption structure. In addition, the invention relates to a heater heating power determining system for a heat absorption structure, equipment and a medium thereof.

Description

technical field [0001] The present application belongs to the technical field of heater heating, and in particular relates to a method, system, equipment, and medium for determining the heating power of a heater used in an endothermic structure. Background technique [0002] Quartz lamps have small thermal inertia, are easy to control, and are very suitable for the transient characteristics of pneumatic heating. They are small in size and high in power. They can be assembled into heaters of different sizes and shapes. In a large area, 1.2MW / m2 can be obtained. The heat flux density is widely used in the thermal strength test of large full-scale structures and small structures, and it also has good adaptability to the thermal strength test of small plate structures with complex shapes and structures. [0003] In the structural heat strength test, the heating power of the heater is mostly determined according to the surface temperature rise and heat absorption rate of the heat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/20G01K17/00
CPCG01N25/20G01K17/00
Inventor 李军鹏王振亚刘宁夫李世平张仡
Owner CHINA AIRPLANT STRENGTH RES INST
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