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鱼状的生物模拟模型作为粒子分离的横移阵列
Erin M Witkop1, Sam Van Wassenbergh2, Paul D Heideman1
1Department of Biology, William and Mary, 540 Landrum Dr, Williamsburg, VA 23185, United States of America.
Bioinspiration & biomimetics
|July 24, 2023
概括
鱼鱼用类似于微流体凸起阵列的原理过食物颗粒. 颗粒大小和流动动力学决定了颗粒是否通过状槽出来,从而告知了过工程.
科学领域:
- 鱼类学 鱼类学 鱼类学
- 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:
- 悬浮养鱼,如鱼,利用状鱼来过水中的小食物颗粒.
- 了解状的粒子分离的精确机制对于生物和工程应用至关重要.
研究的目的:
- 在粒子分离中研究鱼状的功能机制.
- 测试粒子输出由质量流速,分流线和粒子大小来控制的假设.
主要方法:
- 使用3D打印的状状状模型和计算流体动力学 (CFD) 模拟.
- 进行了物理模型的实验,在循环流中验证CFD结果.
- 分析了粒子运动和与状杆表面和流动流线的相互作用.
主要成果:
- 用状子分离颗粒与微流体装置中使用的横向移位原理保持一致.
- 粒子避开了子下游的旋转区域,与子表面相互作用.
- 划分流线和器表面之间的距离预测了可以通过槽的最大颗粒大小.
结论:
- 式机功能展示了类似于确定性横向位移和基于的过原理的原理.
- 该研究为分析鱼类过提供了新的指标,在过工程中具有潜在的应用.
- 结果提供了对交叉流和交叉阶段过机制的见解,灵感来自鱼 gill rakers.
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