短反射天线的质量减小技术:增材制造和结构孔径
Yewande Mariam Aragbaiye1, Dustin Isleifson1,2
1Department of Electrical & Computer Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada.
Sensors (Basel, Switzerland)
|November 14, 2023
概括
研究人员使用增材制造和穿孔开发了3D打印的短反射 (SBF) 天线,实现了高达80%的显著质量减少,性能影响最小.
科学领域:
- 电磁和天线工程 电磁和天线工程
- 添加剂制造 添加剂制造 添加剂制造
- 材料科学 材料科学 材料科学
背景情况:
- 经典的短反射 (SBF) 天线有很大的质量,限制了它们在重量敏感平台上的应用.
- 对于SBF天线的传统制造方法通常是昂贵和耗时的.
研究的目的:
- 调查减少SBF天线质量的新方法.
- 探索增材制造和结构孔径的使用,以减少质量.
- 评估这些技术对天线性能的影响.
主要方法:
- 开发了3D打印的SBF天线结构,配有导电涂层.
- 在3D打印设计中实施结构孔径.
- 进行参数模拟研究以优化设计和分析性能.
- 制造并测试了天线原型.
主要成果:
- 使用导电涂层的增材制造使天线质量减少了70%,而没有显著的性能降低.
- 结构穿孔进一步将质量减少到原设计的30%和20% (70%和80%的减少).
- 表面粗度和导电性涂料质量被确定为关键的错误来源.
结论:
- 增材制造和结构穿孔是显著减少SBF天线质量的有效技术.
- 开发的方法为轻型天线设计提供了可行的解决方案,而不会影响性能.
- 模拟和实验结果显示出良好的协议,验证了方法.
更多相关视频
06:26Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method
Published on: October 6, 2017
8.4K
09:12Production of Single Tracks of Ti-6Al-4V by Directed Energy Deposition to Determine the Layer Thickness for Multilayer Deposition
Published on: March 13, 2018
9.3K
相关概念视频
Influence of Earth's Curvature and Atmospheric Refraction on Leveling
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...
Minor Losses in Pipes
In pipe systems, minor losses refer to energy losses arising from components such as valves, bends, fittings, expansions, and other features that disrupt the steady flow of fluid. These disturbances cause energy dissipation through turbulence and resistance, which engineers quantify to manage system efficiency effectively.
Valves play a significant role in generating minor losses by obstructing or redirecting the fluid flow. When a valve is closed or partially closed, it restricts the flow...
Valves play a significant role in generating minor losses by obstructing or redirecting the fluid flow. When a valve is closed or partially closed, it restricts the flow...
