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A convection cooling heat transfer test device

A Technology of Convective Cooling and Thermal Testing

Active Publication Date: 2022-07-19
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a convective cooling heat transfer test device, which overcomes the problems of heat transfer in the heat exchanger of the existing experimental device, external environmental interference, uneven and unstable air flow, etc., and the experimental results are reliable.

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  • A convection cooling heat transfer test device
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Embodiment Construction

[0016] In order to make the objects and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0017] like Figure 1-Figure 2 As shown, the embodiment of the present invention provides a convection cooling heat exchange test device, including a heating system, a measurement system, a cooling system and a support system, the heating system adopts a quartz lamp heater 1, and the measurement system includes a gas proportional valve 2. A gas flow meter 3, a heating controller, a temperature measuring instrument and a test piece 4, the cooling system includes an air source, an air path hose 5, an airflow rectification device 8 and an airflow transition device 6, and the support system includes an air path The fixing device 7 and the...

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Abstract

The invention discloses a convection cooling heat exchange test device. The heating system adopts a quartz lamp heater. The measuring system includes a gas proportional valve, a gas flow meter, a heating controller, a temperature measuring instrument and a test piece. The cooling system includes a gas Source, air path hose, air flow rectification device and air flow transition device, its support system includes air path fixing device and test piece heat insulation device, the test piece and test piece heat insulation device are arranged in the air flow transition device, and the test piece heat insulation device It is arranged on the left and right sides of the lower bottom surface of the test piece, and the quartz lamp heater is installed on the upper top surface of the airflow transition device at the position corresponding to the test piece to realize the heating of the heating surface of the test piece. The proportional valve, gas flow meter, and airflow rectification device enter the interior of the test piece located in the airflow transition device to realize convection cooling of the test piece. The invention has simple components, simple operation, low cost, little external interference and reliable test results.

Description

technical field [0001] The invention relates to the field of test devices, in particular to a convection cooling heat exchange test device. Background technique [0002] Various structural components used in aviation and aerospace must not only meet a certain rigidity and strength bearing function, but also meet a good heat dissipation function. The lattice structure is expected to meet the heat-proof and load-bearing functions of the specific structure of the aerospace vehicle at the same time. As a new type of structure in recent years, the research on the law of flow and heat transfer of lattice structure is very limited. Therefore, it is of great significance to provide a heat exchange device to study the heat exchange performance of different lattice structures. Convective cooling heat transfer is the most widely used heat transfer method. [0003] Currently, there are few simple and effective devices to study convective heat transfer. Some existing experimental dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64F5/60B64G7/00
CPCB64F5/60B64G7/00
Inventor 黄河源侯赤毛伟杨光猛胡鹏举徐一新李冰
Owner NORTHWESTERN POLYTECHNICAL UNIV
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