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Visual large vessel boiling experiment device

An experimental device and large container technology, applied in the field of visual large container boiling experimental device, can solve the problems of ineffective control of the temperature difference in the heating process, no air bubbles, and difficulty in observing the jet phenomenon, etc., to achieve convenient experimental adjustment, easy observation, The effect of a good experimental location

Active Publication Date: 2016-10-12
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above application focuses on the study of the mechanism of narrow channel boiling heat transfer, but does not give information on how to control the heating method to observe the generation of bubbles. It is difficult to observe various jet phenomena and cannot effectively control the temperature difference during the heating process. Further research is needed. Improve

Method used

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  • Visual large vessel boiling experiment device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Combine figure 1 , The experimental device for a visualized large container of this embodiment is mainly composed of a bracket, a heating wire fixing and adjusting mechanism, a water bath heating mechanism, a high-speed camera 10 and a scanning electron microscope 11, etc. The heating wire fixing and adjusting mechanism includes a heating wire adjusting mechanism and a heating wire The fixing mechanism, the heating wire adjusting mechanism is connected with the bracket, and is used for horizontally or vertically adjusting the heating wire fixing adjusting mechanism. The water bath heating mechanism is located below the heating wire fixing and adjusting mechanism, and the boiling heating wire 17 on the heating wire fixing mechanism is heated in the water bath heating mechanism.

[0049] The support in this embodiment is mainly composed of an experimental platform base 1 and an experimental platform pillar 3. The three experimental platform pillars 3 are evenly spaced in the ...

Embodiment 2

[0057] The basic structure of a visualized large container experimental device of this embodiment is the same as that of Embodiment 1, and the difference is that: the heating wire adjustment mechanism in this embodiment is mainly composed of the top ring 5 of the test bench, the lifting support rod fixing frame 6 and Composed of lifting struts 7. Among them, the top ring 5 of the test bench is fixed on the top of the column 3 of the test bench, and is horizontally fixed. The inner wall of the top ring 5 of the test bench is provided with an annular groove, and the lifting support rod fixing frame 6 is arranged radially along the top ring 5 of the test bench at the upper end of the support. The two ends of the support rod fixing frame 6 are located in the annular groove, the lifting support rod fixing frame 6 can rotate around the central axis of the top ring 5 of the test bench, and the lifting support rod fixing frame 6 can also be arranged radially above the top ring 5 of the ...

Embodiment 3

[0061] set image 3 The basic structure of a visualized large container experimental device of this embodiment is the same as that of embodiment 2, except that the heating wire fixing mechanism in the heating wire fixing and adjusting mechanism is mainly composed of a heating wire fixing frame 8 and a brace 15 Composition, the upper end of the heating wire fixing frame 8 is fixedly connected with the lifting support rod 7, two support rods 15 are arranged at the lower end of the heating wire fixing frame 8, the heating wire fixing frame 8 and the two support rods 15 form a Y-shaped structure, a Y-shaped structure The upper opening is used to fix the boiling pool heating wire 17, and the opening angle of the Y-shaped structure can be adjusted, which is suitable for fixing boiling pool heating wires of different diameters and lengths, and it is convenient to adjust the boiling pool heating wire to a horizontal state.

[0062] The other end of the support rod 15 is provided with a fi...

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Abstract

The invention discloses a visual large vessel boiling experiment device and belongs to the field of energy heat exchange. The visual large vessel boiling experiment device is mainly composed of a support, a heating wire fixing and adjusting mechanism, a water bath heating mechanism, a high-speed camera, a scanning electron microscope and the like. The heating wire fixing and adjusting mechanism is arranged on the support, the water bath heating mechanism is located below the heating wire fixing and adjusting mechanism, a simulation arm support is arranged on the support, the scanning electron microscope is arranged on the simulation arm support, and the high-speed camera and the scanning electron microscope are used for collecting experiment data. The visual large vessel boiling experiment device is suitable for any working medium, the bubble generating process on heating wires and various jet flow phenomena can be directly observed, the relation between the diameter of bubbles on the heating wires and the heat flux can be obtained, and thus a theoretical study basis is provided for studying the boiling heat exchange issue.

Description

Technical field [0001] The invention relates to the technical field of energy heat exchange, and more specifically, to a visualized large container boiling experiment device. Background technique [0002] Boiling heat transfer heat is transferred from the wall to the liquid to make the liquid boil and vaporize in the convection heat transfer process. Boiling heat transfer is closely related to the generation and separation of bubbles. The conditions for bubble formation are: ①The liquid must be overheated; ②There must be a vaporization core. These conditions are determined by the force balance and thermal balance between the bubble and the surrounding liquid. Boiling, as an efficient heat exchange method with phase change, is widely used in various heat exchange equipment, such as the water wall of the boiler furnace, the cooler of microelectronics, etc. Due to the complex characteristics of bubble behavior, its research has not been fully studied. , Which largely limits its ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/18
CPCG01N25/18
Inventor 楚化强丁先汪冬冬魏瑶方瑞雪顾明言朱帅
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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