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Plasma synthetic jet serial discharge device and method based on marx generator

A plasma and synthetic jet technology, applied in the direction of using plasma, thrust reverser, machine/engine, etc., can solve the problems of few synchronous discharge schemes for multi-channel actuators, complex power supply structure, complex discharge structure, etc., and achieve high practicality Application value, realization of interference and control, effect of wide-range flow field control

Active Publication Date: 2018-05-25
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the discharge energy is low, and the power supply structure is complex
In summary, the current plasma synthetic jet discharge is still dominated by a single exciter discharge, and there are few synchronous discharge schemes for multiple exciters, and the discharge structure is complex

Method used

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  • Plasma synthetic jet serial discharge device and method based on marx generator
  • Plasma synthetic jet serial discharge device and method based on marx generator
  • Plasma synthetic jet serial discharge device and method based on marx generator

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Example 1, such as figure 1 As shown, a kind of plasma synthetic jet serial discharge device based on the Marx generator of the embodiment of the present invention includes a DC source 1, a charging resistor 2 (R 1 ), multiple charging diodes (D 1a 、D 2a ,...,D na ), multiple charging capacitors (C 1 、C 2 ,...,C n ), multiple plasma synthetic jet actuators (A 1 、A 2 ,...,A n ), multiple discharge diodes (D 1b 、D 2b ,...,D nb ), multiple discharge resistors (R 2 ,...,R n ) and a load 17, wherein the plasma synthetic jet actuator is a two-electrode plasma synthetic jet actuator, and the load 17 can be other types of discharge loads in the high voltage field. The negative pole of the DC source is grounded, the positive pole of the DC source is connected to one end of the charging resistor, the other end of the charging resistor is connected to the positive poles of multiple charging diodes, the negative poles of the multiple charging diodes are respectively co...

Embodiment 2

[0039] Embodiment 2, the present invention also provides a discharge method based on a Marx generator-based plasma synthetic jet series discharge device, the method comprising:

[0040] Step 1, adjusting the distance between the two electrodes of each plasma synthetic jet actuator, and keeping the electrode distances of n plasma synthetic jet actuators consistent.

[0041] Step 2, increase the output voltage U of the DC source 1, n charging capacitors pass through the charging resistor R 1 (2) Finally, parallel charging is realized. At this time, the capacitance values ​​of the n charging capacitors are the same.

[0042] Step 3, when the voltage on the charging capacitor reaches the breakdown voltage of the plasma synthetic jet actuator, the n plasma synthetic jet actuators break down synchronously, forming a high-current spark discharge, and simultaneously generating n channels of high-speed plasma synthetic jet jet.

[0043] Step 4, n charging capacitors, n plasma synthet...

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Abstract

The invention discloses a plasma synthesis jet flow serial connection discharge device based on a Marx generator. The negative pole of a direct current source is grounded, and the positive pole of the direct current source is connected with one end of a charge resistor; the other end of the charge resistor is connected with the positive poles of multiple charge diodes; the negative poles of the multiple charge diodes are connected with one ends of multiple charge capacitors; the other ends of the multiple charge capacitors are connected with the positive poles of multiple discharge diodes; multiple plasma synthesis jet flow exciters are connected to the negative poles of the charge diodes and the negative poles of the discharge diodes in parallel; a discharge resistor is arranged between two discharge diodes; the negative poles of the discharge diodes are grounded; ground electrodes of the plasma synthesis jet flow exciters are grounded; and two ends of a load are connected to the positive pole of the first discharge diode and the negative pole of the last discharge diode in parallel. The plasma synthesis jet flow serial connection discharge device has the following beneficial effects: when the multiple plasma synthesis jet flow exciters are serially connected to synchronously discharge, multi-way superposition pulses are formed at two ends of the load, so that the multi-angle and wide-range flow control can be realized in high-speed flowing field control field, and the high-voltage discharge experimental study can be performed.

Description

technical field [0001] The present invention relates to the field of aerospace vehicle flow control and the field of high voltage technology, in particular, to a plasma synthetic jet series discharge device and method based on a Marx generator, which generates multiple high voltages while realizing series discharge of multiple exciters pulse. Background technique [0002] As a new type of flow control technology, plasma synthetic jet has great application prospects in supersonic flow control because of its advantages of no moving parts and fast response. The high-speed jets it produces can inhibit flow separation and control the boundary layer to improve the flight performance of the aircraft. [0003] In order to achieve a better flow control effect, it is necessary to generate a long-term and large-scale high-speed synthetic jet. The current research is mainly aimed at improving the appearance structure of the exciter or improving the output parameters of the discharge e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03H1/00
CPCF03H1/0087
Inventor 邵涛韩磊罗振兵孙鹞鸿王林严萍
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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