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Equipment for generating non-circular synthetic jets

A technology for generating equipment and synthetic jets, applied in the directions of jetting devices, liquid jetting devices, etc., which can solve problems such as research constraints on non-circular synthetic jets

Active Publication Date: 2019-04-30
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the prior art, there is no effective device for generating non-circular synthetic jets, which restricts the research on non-circular synthetic jets

Method used

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  • Equipment for generating non-circular synthetic jets
  • Equipment for generating non-circular synthetic jets
  • Equipment for generating non-circular synthetic jets

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Embodiment Construction

[0049] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0050] Compared with the traditional circular jet, the non-circular vortex ring's shafting transformation enhances the entrainment characteristics related to the large-scale structure in the jet. At the same time, the flow direction vortex strongly interacts with the vortex ring and affects the vortex. The deformation of the ring impr...

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Abstract

The embodiment of the invention provides generation equipment for a noncircular synthetic jet. The generation equipment comprises an emitting body with a first cavity body, a drive device, a vibration device connected with the drive device, and an emitting part with a second cavity body, wherein the first end of the emitting body is detachably connected with the second end of the emitting part, a noncircular hole is formed in the first end of the emitting part, and the first cavity body communicates with the second cavity body; and the vibration device is arranged in the first cavity body and compresses a fluid in the first cavity body under the action of the drive device, so that the fluid generates the noncircular synthetic jet at the noncircular hole. The generation equipment for the noncircular synthetic jet is capable of generating the noncircular synthetic jet, and capable of generating the noncircular synthetic jets with different shapes and characteristics according to the actual needs to meet different research needs.

Description

Technical field [0001] The embodiment of the present invention relates to fluid machinery technology, in particular to a device for generating a non-circular synthetic jet. Background technique [0002] Jet (refers to a stream of fluid that is ejected from nozzles, orifices, and slits and mixed with the surrounding fluid) can be seen everywhere in people’s daily life and industrial production, such as heat conduction, noise suppression, fuel injection , The diffusion of pollutants, lift increase and thrust vector control and other fields. The study found that the non-circular jet has the phenomenon of shaft transformation, which can enhance the mass mixing and momentum exchange of the fluid. [0003] Synthetic jet technology is an efficient active flow control technology used to control the generation of the above jets. Compared with traditional continuous jets, synthetic jets have stronger transport and blending capabilities in the near field of flow. Based on the characteristic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B17/04
CPCB05B17/04
Inventor 冯立好王雷王晋军潘翀高琪
Owner BEIHANG UNIV