基于数值模拟的表面结构的抗侵蚀机制研究
Zhenjiang Wei1, Chengchun Zhang2, Xiaomin Liu1,3
1Department of Mechanical and Electronic Engineering, Heze University, Heze 274015, China.
Biomimetics (Basel, Switzerland)
|January 27, 2026
概括
一种新型的肋状表面在液体-固体两相流动下显著减少了29%的侵蚀. 这种生物灵感设计降低了粒子撞击速度,为易受侵蚀的设备提供了解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 流体动力学 流体动力学
- 生物模拟学是一种生物模拟学.
背景情况:
- 液体固体双相流的侵蚀在各种工业应用中构成了重大挑战.
- 开发具有增强耐侵蚀性的表面对于延长设备寿命和降低维护成本至关重要.
研究的目的:
- 引入和评估一种新的生物表面设计,以提高对侵蚀的抵抗力.
- 在侵蚀性流量条件下,与光滑表面相比,研究肋状表面结构的有效性.
主要方法:
- 使用数值模拟来建模和分析侵蚀过程.
- 该研究的重点是颗粒与光滑和肋状外表面的相互作用.
主要成果:
- 与光滑的外相比,当流量垂直于肋骨时,肋骨外的总侵蚀率降低了29.08%.
- 对于直径为0.5毫米的颗粒,颗粒对肋状外的撞击速度减少了15.91%.
- 在肋槽内,一个低速度的流场被确定为粒子减速的机制.
结论:
- 与光滑表面相比,肋状表面结构显示出优越的侵蚀性.
- 这些发现表明,生物启发的肋状设计可以有效地减轻液体-固体双相流程中的侵蚀.
- 这项研究为设计更耐用的易受颗粒侵蚀的设备提供了宝贵的见解.
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