Rotating sound field liquid bridge capillary convection experimental device and method thereof
An experimental device and the technology of rotational sound, applied in the interdisciplinary field of fluid physics and material science, can solve problems such as liquid bridge capillary convection that have not yet been developed, and achieve the effect of compact structure, comprehensive data and simple structure
Active Publication Date: 2021-02-05
SHENYANG INST OF ENG
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Problems solved by technology
In the existing related basic experimental research, the traditional liquid bridge generating device can only carry out non-isothermal liquid bridge experiments with magnetic field, vibration, surface coating and shear flow, and no liquid bridge capillary capable of sound field suppression has been developed. The basic experimental platform for convection experiments, so it is urgent to develop a technical solution for the capillary convection experimental device of the rotating sound field liquid bridge
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[0071] see Figure 1-7 , the present embodiment provides a rotating sound field liquid bridge capillary convection experimental device and method, including a support device 1, a liquid bridge generating device 2, a sound field generating device 3, a sound field motion device 4 and an image recognition device 5;
[0072] The support device 1 includes an upper liquid bridge support 6 and a lower liquid bridge support 7;
[0073] The liquid bridge generating device 2 is connected to the support device 1 through the upper liquid bridge support 6 and the lower liquid bridge support 7. The liquid bridge generating device 2 includes an upper liquid bridge support plate 8 and a lower liquid bridge support plate 9, and the upper liquid bridge support plate 8 and the lower liquid bridge support plate A liquid bridge area 10 is formed between the liquid bridge support plates 9;
[0074] The sound field generating device 3 includes a transducer 11 and an arbitrary waveform generator 32;...
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The invention relates to a rotating sound field liquid bridge capillary convection experiment device and a method thereof. The rotating sound field liquid bridge capillary convection experiment devicecomprises a support device, a liquid bridge generation device, a sound field generation device, a sound field movement device and an image recognition device. The support device comprises an upper liquid bridge bracket and a lower liquid bridge bracket which are arranged up and down; the liquid bridge generation device comprises an upper liquid bridge supporting disc and a lower liquid bridge supporting disc which are arranged up and down; the upper liquid bridge supporting disc is arranged on the upper liquid bridge support, and the lower liquid bridge supporting disc is arranged on the lower liquid bridge support; a liquid bridge area is formed between the upper liquid bridge supporting disc and the lower liquid bridge supporting disc; the sound field generation device comprises a transducer and an arbitrary waveform generator; and the device is reasonable in design, compact in structure and convenient to use.
Description
technical field [0001] The invention relates to the interdisciplinary technical field of fluid physics and material science, in particular to a liquid bridge capillary convection experimental device and method in a rotating sound field. Background technique [0002] As we all know, the floating zone method is a growth method for semiconductor crystal materials. Its main principle is that the material rod is heated by the outside, and gradually pulls the liquid bridge full floating zone supported between the two solid material ends, and the quality of the grown crystal Affected by the periodic oscillating capillary convection in the liquid bridge region, micron-scale impurity streaks are generated. The liquid bridge in the semi-floating zone is based on the preparation of single crystals by the floating zone method, and is an ideal physical experimental model established to study the suppression of periodic oscillatory capillary convection during the crystal growth process. ...
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IPC IPC(8): C30B13/30C30B30/00
CPCC30B13/30C30B30/00
Inventor 杨硕高宇马瑞马珊珊傅玉栋王国峰邓乔声隋德洋徐有宁杨新乐
Owner SHENYANG INST OF ENG