燃料喷嘴表面形态的碎形分析基于3D沙盒方法
Yeni Li1,2, Liang Hou1, Yun Chen1
1Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361102, China.
Micromachines
|May 27, 2023
概括
这项研究使用碎形分析来描述燃料喷嘴表面,发现更高的3D碎形尺寸表明更高的表面粗度和对金属加工缺陷的敏感性.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 表面科学是一门学科.
背景情况:
- 燃料喷嘴表面形态显著影响燃料原子化和喷雾特性.
- 马石不钢燃料喷嘴具有复杂的表面特征,对性能至关重要.
研究的目的:
- 使用碎形分析研究双油电路离心燃料喷嘴的表面特征.
- 为了将表面粗度与三维 (3-D) 碎形维度相关联.
主要方法:
- 使用形状从焦点技术获取3D点云.
- 通过3D沙箱计数方法计算和分析3D碎形维度.
- 在未加热和加热处理燃料喷嘴之间的表面形态的比较.
主要成果:
- 在3D表面碎形维度和表面粗度参数之间观察到正相关性.
- 未加热的处理燃料喷嘴显示出比加热处理喷嘴 (2.3021-2.3327) 更高的3D碎形尺寸 (2.6281-2.8697).
- 三维碎形维度对表面缺陷敏感,有效地表征金属加工表面.
结论:
- 三维沙箱计数分形维度方法对于评估燃料喷嘴表面是有效的.
- 更高的3D碎形尺寸表明表面粗度增加和潜在的缺陷.
- 该方法为金属加工中的表面表征提供了定量方法.
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