A non-contact driven high-frequency vibration eddy current generator

A vortex generator and high-frequency vibration technology, applied in the direction of vortex generation, drag reduction, etc., can solve the problems of inability to change the disturbance frequency and amplitude of the vortex generator, limiting performance and applicable working conditions, and non-adjustable geometry. Achieve the effect of improving service life, optimizing overall performance and reducing noise

Active Publication Date: 2021-06-11
CHINA ACAD OF AEROSPACE AERODYNAMICS
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vortex generators that have been applied in engineering have a common feature: their geometric shape is not adjustable, and they do not have dynamic characteristics, that is, they cannot change the disturbance frequency and disturbance amplitude of the vortex generator, which limits its performance to a large extent. Performance and applicable working conditions

Method used

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  • A non-contact driven high-frequency vibration eddy current generator
  • A non-contact driven high-frequency vibration eddy current generator
  • A non-contact driven high-frequency vibration eddy current generator

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Embodiment Construction

[0027] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] figure 1 It is a structural schematic diagram of a non-contact driven high-frequency vibration vortex generator provided by an embodiment of the prese...

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Abstract

The invention discloses a non-contact driven high-frequency vibration vortex generator, which comprises: a main channel part, an eddy current assembly, a drive assembly and a balance cavity part; the main channel part is connected with the balance cavity part, and the main channel part and the balance cavity part There is an installation opening between the parts, and the eddy current assembly is arranged at the installation opening, and the driving assembly is arranged in the balance chamber of the balance chamber part, and the eddy current assembly is driven to vibrate at high frequency through the action of a magnetic field, thereby controlling the main flow of the eddy current assembly into the main channel part Part of the channel vibrates at high frequency to achieve flow field control. The lower wall of the sprue part includes an upper layer and a lower layer, the main air flow channel is formed between the upper wall of the sprue part and the upper layer of the lower wall, and the balance chamber is formed between the balance cavity solid wall of the balance cavity part and the lower layer of the lower wall. The invention greatly improves the flow field control performance of the vortex generator.

Description

technical field [0001] The invention relates to a non-contact driven high-frequency vibration eddy current generator, which belongs to the technical field of eddy current generators. Background technique [0002] Flow separation is common in the internal and external flow fields of supersonic / hypersonic vehicles, and flow separation will have a great impact on the flight stability control and structural safety of the aircraft, not only leading to increased drag, decreased lift, and stalled Adverse consequences such as advance can also cause distorted flow field near the engine inlet throat, total pressure recovery decline, engine not starting, etc., and then induce catastrophic accidents. Due to its simple structure and good control effect, the vortex generator is the most common type of flow separation control measures. [0003] A supersonic or hypersonic vehicle flying in the atmosphere will experience a pulsating pressure environment caused by a variety of significant tu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64C23/06
CPCB64C23/06Y02T50/10
Inventor 赵永胜杨辉吴军飞
Owner CHINA ACAD OF AEROSPACE AERODYNAMICS
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