Plasma synthetic jet combined actuator

A technology for synthesizing jet and plasma, applied in the field of ions, can solve the problems of jet exciter not considering versatility and adaptability, destroying the aerodynamic shape of the application object, irregular structure and shape, etc., to save installation space, simple structure and high performance reliable results

Inactive Publication Date: 2018-11-13
XIAMEN UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the existing spark discharge plasma synthetic jet actuators do not consider the versatility and adaptability in practical applications. Different actuators need to be customized for different application objects, and the irregular structure and shape make it difficult to apply installation on the object, it may also destroy the aerodynamic shape of the applied object

Method used

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  • Plasma synthetic jet combined actuator

Examples

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Embodiment Construction

[0017] figure 1 Shown is a structural diagram of a dual-cavity plasma synthetic jet combined exciter of the present invention, the exciter consists of an exciter base 1-1, a rubber pad 1-2, an exciter cover plate 1-3 and a discharge electrode 1-4 The exciter base 1-1 and the exciter cover plate 1-3 are fixed by bolts, and the rubber pad 1-2 is placed between the two to ensure that the exciter base 1-1 and the exciter cover plate are connected when the exciter is working. 1-3 The airtightness of the connection.

[0018] figure 2 Shown is the exciter base of the present invention (see figure 1 1-1) in the structural diagram, its structure includes the electrode insertion hole 2-1, the countersunk bolt through hole 2-2 and the discharge chamber 2-3. The exciter base 1-1 is made of alumina ceramics, two discharge cavities 2-3 are arranged side by side, and the volume of each cavity is 800mm 3 . The electrode insertion hole 2-1 is used for inserting the discharge electrode in...

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Abstract

A plasma synthetic jet combined actuator relates to a synthetic jet generating device. The device is provided with an actuator base, an actuator cover plate, a rubber pad, a negative electrode and a positive electrode, characterized in that the actuator base, the rubber pad and the actuator cover plate can be assembled into an actuator body composed of a plurality of mutually independent dischargecavities; the actuator cover plate is provided with a jet outlet, and different application objects can be adapted by modifying or replacing the actuator cover plate; and each independent actuator base is provided with two electrode insertion holes. The device has the advantages of simple structure, easy assembly, convenient maintenance, low cost, strong adaptability and the like.

Description

technical field [0001] The invention relates to the field of plasma technology, in particular to a plasma synthetic jet combined exciter. technical background [0002] Plasma flow control technology has been developed for many years and has become one of the most potential flow control technologies. There are three main methods of plasma generation for active flow control technology, namely DBD (dielectric barrier discharge), spark discharge and arc discharge. Previous studies have shown that when the plasma synthetic jet generated by spark discharge is applied to an aircraft, it can delay the flow separation of the suction surface and change the aerodynamic moment of the aircraft. [0003] One of the cores of the spark discharge plasma synthetic jet technology is the design of the plasma synthetic jet actuator. [0004] Most of the existing spark discharge plasma synthetic jet actuators do not consider the versatility and adaptability in practical applications. Different ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/52
CPCH05H1/52
Inventor 刘汝兵林麒陈约适
Owner XIAMEN UNIV
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