Supercharge Your Innovation With Domain-Expert AI Agents!

Jetting device used for generating liquid drops in low-viscosity liquid space environment

A liquid space and droplet generation technology, applied in the direction of liquid injection device, injection device, injection device, etc., can solve the problem that uniform droplets with large particle size cannot be sprayed, and achieve high reliability, avoid output attenuation, and stimulate small energy effect

Active Publication Date: 2017-09-01
XIAN AEROSPACE PROPULSION INST
View PDF7 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a spraying device for the generation of droplets in a low-viscosity liquid space environment, which solves the problem that the existing spraying device cannot directly use Rayleigh mode spraying to generate large particles through a single nozzle hole in a space environment for low-viscosity liquids. uniform droplet

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
  • Jetting device used for generating liquid drops in low-viscosity liquid space environment
  • Jetting device used for generating liquid drops in low-viscosity liquid space environment
  • Jetting device used for generating liquid drops in low-viscosity liquid space environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment one: if figure 1 , the injection device used for the generation of droplets in the low-viscosity liquid space environment includes a front housing 32, a rear housing 31, a piezoelectric ceramic actuator 1, a nozzle 5, a rubber sealing ring 9, a rectifying plate 6, and a positioning rectifying plate 7, Spring 10, top cover 11, adapter 4; piezoelectric ceramic actuator 1 adopts a high-voltage mechanical packaging form of multi-layer piezoelectric ceramic stacking, the middle section of the outer wall of the body is bellows-shaped, and the two ends are straight tube-shaped; positioning rectifier plate 7 is integrated with the rear housing 31, located upstream of the rectifying plate 6, the piezoelectric ceramic actuator passes through the center hole of the positioning rectifying plate 7, the front housing 32 and the rear housing 31 are welded end to end to form the housing 3, and the rectifying plate 6 is clamped at the connection end surface of the front housi...

Embodiment 2

[0037] Embodiment two: if figure 2 As shown, the injection device for the generation of droplets in the low-viscosity liquid space environment includes a front housing 32, a rear housing 31, a piezoelectric ceramic actuator 1, a nozzle 5, a rubber sealing ring 9, a rectifying plate 6, and a positioning rectifying plate 7. Spring 10, adapter 4; piezoelectric ceramic actuator 1 adopts a high-voltage mechanical packaging form of multi-layer piezoelectric ceramic stacking, the middle section of the outer wall of the body is bellows-shaped, and the two ends are straight tube-shaped; positioning rectifier plate 7 and The rear housing 31 is one piece, located upstream of the rectifying plate 6, the piezoelectric ceramic actuator passes through the center hole of the positioning rectifying plate 7, the front housing 32 and the rear housing 31 are welded end to end to form the housing 3, and the rectifying plate 6 is clamped Connected to the connection section of the front housing 32 ...

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 relates to a jetting device used for generating liquid drops in a low-viscosity liquid space environment. The jetting device solves the problem that in the prior art, for low-viscosity liquid, by means of a single spray hole, a Rayleigh mode is directly utilized, and uniform liquid drops with the large size cannot be jetted and generated. The liquid drop jetting device comprises a shell, a piezoelectric ceramic actuator, a rectifier plate, a spray head and a rubber sealing ring. The rectifier plate is provided with multiple rectifying through holes for equalizing liquid. The spray head is provided with multiple spray holes uniformly distributed along the circumference. The center line of each spray hole and the central axis of the spray head are intersected at the same point of the jetting downstream. Under the Rayleigh mode, jet flow surface waves sprayed by the single spray hole are gradually developed into liquid drop arrays with the uniform size, the small liquid arrays generated by all the spray holes collide in the intersecting position of the center line of the spray holes and are blended into liquid drop arrays with the large size, disturbance in the blending process is gradually dissipated under the effect of surface tension, and the generated large drops tend to be stable.

Description

technical field [0001] The invention relates to the field of spraying devices, in particular to a spraying device for generating droplets in a low-viscosity liquid space environment. Background technique [0002] The space environment refers to the environmental conditions in which a spacecraft flies in outer space. [0003] The research on the impact characteristics of large-diameter droplets of low-viscosity liquids in the space environment is of great significance and scientific research value to the damage assessment of my country's spacecraft after being polluted and destroyed by large-diameter liquid space debris. How to generate low-viscosity liquids with specified particle sizes Droplets are the foundation and necessary condition for carrying out the above research, but according to the Rayleigh mode jet broken uniform droplet generation principle, under the conditions of specified liquid density, viscosity coefficient and jet velocity, there is an upper limit for the...

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
Patent Type & Authority Applications(China)
IPC IPC(8): B05B1/14B05B17/06
CPCB05B1/14B05B17/0638
Inventor 徐云飞洪流陈鹏飞杨伟东李斌
Owner XIAN AEROSPACE PROPULSION INST
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com