相关实验视频

Updated: May 22, 2025

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

在低音速流量条件下3D打印的形聚乳酸板的气弹性行为

Mirko Dinulović¹, Mato Perić², Dragi Stamenković³

¹Faculty of Mechanical Engineering, University of Belgrade, Kraljice Marije 16, 11000 Belgrade, Serbia.

Materials (Basel, Switzerland)

|March 13, 2025

概括

研究人员研究了3D打印的无人驾驶飞机系统 (UAS) 聚乳酸 (PLA) 板的空气弹性稳定性. 飞速度的分析预测与风洞测试结果密切匹配,验证了动态气弹性分析方法.

科学领域:

航空航天工程航空航天工程
材料科学材料科学材料科学
流体动力学流体动力学

背景情况:

用于无人机和无人机系统 (UAS) 的3D打印组件的静态性能得到了充分研究.
这些组件的动态行为,特别是飞,对这些组件的理解仍然较少.
沉积建模 (FDM) 是一种常见的3D打印技术,用于从聚乳酸 (PLA) 等材料生产组件.

研究的目的:

为了研究通过FDM制造的形PLA板的气弹性稳定性.
为了分析这些板块在低马赫数气流下的动行为.
将分析预测与实验数据进行比较,以验证动态气弹性分析方法.

主要方法:

将二进制飞模型应用于薄的PLA板.
分析预测的飞速度.
使用风洞测试进行实验验证.

主要成果:

在分析预测的飞速度和实验数据之间观察到强烈一致.
建议的动态气弹性分析方法被证实为有效的.
该研究提供了一种可靠的方法来评估3D打印空气动力学表面的飞.

结论:

动态气弹性分析方法对于预测FDM打印的PLA板块的动是有效的.
这项研究有助于安全和高效的UAS空气动力学表面的设计.
进一步的研究可以利用这种方法来开发先进的UAS组件.

关键词:

通过3D打印打印3D打印.这就是为什么PLA PLA PLA.闪的闪的闪闪的闪闪的闪板块的稳定性板块的稳定性亚声波流是次声波流的一种.风洞中的风力道

更多相关视频

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

Published on: February 3, 2014

Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications

Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications

Published on: January 5, 2024

相关概念视频

Steady, Laminar Flow Between Parallel Plates

Steady, Laminar Flow Between Parallel Plates

Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.

Fluid Pressure over Flat Plate of Variable Width

Fluid Pressure over Flat Plate of Variable Width

When a flat plate is submerged in a fluid, the fluid exerts pressure on the plate. This pressure can lead to many different phenomena, including drag and buoyancy. To understand the behavior of the fluid over a flat plate of variable width, it is essential to analyze the distribution of the pressure exerted.
The pressure distribution on the plate can be calculated by determining the force that acts on a differential area strip of the plate. Thus, the magnitude of the force is equal to the...

Fluid Pressure over Curved Plate of Constant Width

Fluid Pressure over Curved Plate of Constant Width

When a curved plate of constant width is submerged in a liquid, the pressure acting normal to the plate varies continuously both in magnitude and direction. Calculating the magnitude and location of the resultant force at a point is often challenging for such cases. One of the methods to determine the resultant force and its location involves separately calculating the horizontal and vertical components of the resultant force. This complex calculation can be simplified by representing the...