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Aircraft lift force optimizing system

An aircraft and lift technology, applied in the field of aircraft lift, can solve the problems of reducing the working efficiency of the engine and increasing the energy consumption of the aircraft, and achieve the effects of improving stability and cost-effectiveness, reducing weight, and facilitating lifting

Inactive Publication Date: 2018-05-25
AIR FORCE UNIV PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional circulation control technology requires a complex air source system to generate jet flow, such as bleed air through the engine, which reduces the working efficiency of the engine, such as designing a separate auxiliary power unit, which greatly increases the energy consumption of the aircraft

Method used

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Embodiment Construction

[0036] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0037]In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the p...

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Abstract

The invention discloses an aircraft lift force optimizing system which comprises a blunt trailing edge wing, a set of dielectric barrier discharge plasma exciters and a power supply. The circulation control cost-effectiveness of the system can reach 108 which is far higher than the maximum value 80 of traditional circulation control, energy consumption is low, an optimized key parameter combination can increase the effective inflow velocity to 35 m / s, the generated Coanda effect is more obvious, the circulation and lift force change is more obvious, and the system is suitable for popularization.

Description

technical field [0001] The present invention relates to the technical field of aircraft lift, and more specifically, relates to an aircraft lift optimization system. Background technique [0002] Improving the lift of aircraft is one of the important goals of aircraft design. At present, the development of mechanical lift systems represented by flaps, ailerons and various slats is relatively mature, but the increase in moving parts will increase the weight of the aircraft, complicate the structure, increase the difficulty of maintenance and maintenance costs, especially for the new generation of military aircraft In terms of radar reflection sources such as sharp edge openings and protrusions formed by many control surfaces, the stealth performance of the aircraft is greatly reduced. [0003] The Coanda effect is also known as the wall attachment or the Coanda effect. The fluid (water flow or air flow) tends to deviate from the original flow direction and flow along the su...

Claims

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Application Information

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IPC IPC(8): B64C3/28B64C3/36B64C3/00
Inventor 张艳华李林张登成郑无计舒杰秦昂詹韧罗浩王壮壮
Owner AIR FORCE UNIV PLA
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