Plume diagnosis device of electric propulsion engine

A technology of diagnosis device and engine, applied in the direction of engine test, measurement device, machine/structural component test, etc., can solve problems such as plume disturbance, and achieve the effect of simple control and easy to master

Inactive Publication Date: 2009-09-23
BEIHANG UNIV
View PDF0 Cites 44 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As far as the contact diagnosis method is concerned, although the electrostatic probe can obtain the electron and ion density information in the electric propulsion plume, if you want to get the distribution of t

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Plume diagnosis device of electric propulsion engine
  • Plume diagnosis device of electric propulsion engine
  • Plume diagnosis device of electric propulsion engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The present invention is an electric propulsion engine plume diagnosis device, such as figure 1 As shown, it specifically includes: a current collection device 1 , an ammeter 10 , and a moving part 11 of the current collection device.

[0029] The current collection device 1 is a key component for diagnosis. The current collection device 1 includes an insulating base 2 and a current collecting ring device 3. The current collecting ring device 3 is fixed on the insulating base 2, and the insulating base 2 acts as a fixed current collecting ring. The role of device 3, the current collector ring device 3 as figure 2 As shown, it includes an insulating pad 301 and a central current collecting piece 302 and nine current collecting rings 303 . The insulating pad 301 is pyramid-shaped, such as image 3 and Figure 4 As shown, there is a groove 304 on the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a plume diagnosis device of an electric propulsion engine, comprising a current collecting device, a current meter and a current collecting device moving part. The current collecting device consists of current collecting rings which are concentric and are different in size; the current meter is used for monitoring the current collected by each current collecting ring; the current collecting device moving part is used for realizing the movement of the current collecting device along the direction of plume axis of the engine so as to obtain current distribution at different axial positions; and the current collecting device obtains charged particle number density of the plume at different radial positions by the current collecting rings with different diameters. The invention adopts a device which is simpler, obtains the divergence angle of the engine plume and distribution condition of charged particles in the plume; and the operation and control in the diagnosis process are relatively simple and are easy to master.

Description

technical field [0001] The invention belongs to the technical field of space electric propulsion engine jet plume diagnosis, belongs to a contact diagnosis method, and relates to an electric propulsion engine plume diagnosis device. Background technique [0002] Electric propulsion engines have the advantages of high specific impulse, high efficiency, long life and small size, and can be applied to most space propulsion tasks such as orbit maintenance, orbit transfer, resistance compensation, attitude control, and interplanetary flight main propulsion. It has broad application prospects. [0003] Since the 1990s, various aerospace powers in the world have developed various electric propulsion engines for space propulsion, such as ion engines, Hall effect thrusters, arc heating thrusters, and colloidal ion engines. The common feature of the above-mentioned engines is that the electrical energy from the spacecraft power supply is converted into the kinetic energy of the prope...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01M15/00
Inventor 汤海滨钟凌伟张莘艾
Owner BEIHANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap