Dynamic focusing and heating system for particle suspension and heating method thereof

A dynamic focusing and heating system technology, applied in chemical instruments and methods, heating or cooling equipment, fluid dynamics tests, etc., can solve the problems of difficult laser penetration, insufficient energy transmission to specific areas, etc., to achieve application wide range of effects

Active Publication Date: 2016-11-09
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For the heating method of suspended materials, the existing heating methods mainly focus on methods such as laser heating and electromagnetic heating, but these methods have obvious shortcomings
The laser heating method can only be used for transparent mater...

Method used

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  • Dynamic focusing and heating system for particle suspension and heating method thereof
  • Dynamic focusing and heating system for particle suspension and heating method thereof
  • Dynamic focusing and heating system for particle suspension and heating method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1-3 As shown, the particle suspension dynamic focusing heating system of this embodiment includes a computer control module, a position feedback module, a temperature feedback module, an ultrasonic standing wave suspension module and an ultrasonic dynamic focusing heating module.

[0032] The computer control module includes an input unit, a data storage unit, a data processing unit, an output unit, a controller and a display. The input unit and the data storage unit are connected by an interface. The input unit completes the input of signals and stores them in the data storage unit. The data storage unit It is connected with the controller, data processing unit, output unit, and display through interfaces. The controller controls the data storage unit to complete the signal transmission to the output unit, display, and data processing unit. The data storage unit and the data processing unit complete the two-way transmission of signals. The storage unit ...

Embodiment 2

[0042] Such as Figure 4 As shown, the particle suspension dynamic focusing heating system of this embodiment is different from Embodiment 1 in that: the radiation end 12 of the transducer is a plane, and the reflection end 52 is a concave spherical surface, and the distance between the radiation end surface 12 and the reflection end surface 52 increases. Large; the distribution of the piezoelectric array elements of the multi-channel signal ultrasonic transducer array 62 is a 32×32 planar rectangular distribution, and a single array element is a rectangle with a size of 3×3mm, the distance between the array elements is 2mm, the power of a single array element is 2W, and the frequency is 1.5MHz For other structures, refer to Embodiment 1.

[0043] Based on the heating method of the particle suspension dynamic focusing heating system of the present embodiment, the two heating particles 32 are room temperature solid tin-bismuth alloys with a spherical diameter of 3 mm and a melt...

Embodiment 3

[0048] Such as Figure 5 As shown, the particle suspension dynamic focusing heating system of this embodiment is different from Embodiment 1 in that: the power of the ultrasonic generator is 2000W, the frequency is 45KHz, the radiation end 13 and the reflection end 53 of the transducer are both planes; The piezoelectric array elements of the signal ultrasonic transducer array 63 are distributed in a 64×64 planar rectangle, a single array element is a rectangle with a size of 3×3mm, the distance between the array elements is 2mm, the power of a single array element is 3W, and the frequency is 5MHz. Other structures refer to the implementation example one.

[0049] Based on the heating method of the particle suspension dynamic focusing heating system of this embodiment, the heating particle 32 is a normal temperature solid tin-bismuth alloy with a spherical diameter of 8 mm and a melting point of 58 degrees. The specific steps are as follows:

[0050] (1) The computer control m...

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Abstract

The invention belongs to the field of material processing technology, and discloses a dynamic focusing and heating system for particle suspension. The system comprises the following components: a computer control module, a temperature feedback module, a position feedback module, an ultrasonic standing wave suspension module, an ultrasonic dynamic focusing and heating module, a communication connecting position feedback module of the computer control module, a temperature feedback module, an ultrasonic standing wave suspension module, and an ultrasonic dynamic focusing and heating module; the ultrasonic standing wave suspension module comprises an ultrasonic generator, an ultrasonic energy transducer, and a reflection terminal, wherein the ultrasonic generator is electrically connected to the ultrasonic energy transducer, and a radiation terminal and the reflection terminal of the ultrasonic energy transducer form a resonant cavity; the ultrasonic dynamic focusing and heating module comprises a multichannel signal ultrasonic generator and an ultrasonic transducer array, wherein the multichannel signal ultrasonic generator is electrically connected to the ultrasonic transducer array; the invention also discloses a heating method of the heating system. The heating system does not pollute the particles, and the particles do not have conductive and magnetic conductive requirements, solid and liquid state restriction, and transparency requirements; and the heating method is simple.

Description

technical field [0001] The invention belongs to the technical field of material processing, and in particular relates to a particle suspension dynamic focusing heating system based on composite ultrasonic technology and a heating method thereof. Background technique [0002] With the continuous deepening of the research on condensed matter, people's requirements for experimental conditions are becoming more and more stringent. The space environment is such a special environment. It is an ideal experimental condition for the study of phenomena. Aerospace technology has developed rapidly in the past few decades, but the space resources that people have obtained so far are still very limited, so ground methods for simulating various effects in the space environment have emerged as the times require. Acoustic levitation technology can be used to simulate the containerless state in the space environment, and the containerless melting of materials on the ground can prevent the cr...

Claims

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Application Information

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IPC IPC(8): B01L7/00G01M10/00G01N1/44
CPCB01L7/00G01M10/00G01N1/44
Inventor 樊冰庄龙张俐楠王洪成翟壮郭亚杰郑伟郭佳伟吴立群
Owner HANGZHOU DIANZI UNIV
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