利用 Schlieren 成像系统和高折射率气体观测工厂周围的气体流动

Q3 Social Sciences

Physics Education Pub Date : 2024-05-14 DOI:10.1088/1361-6552/ad42f8

Akihiro Matsutani

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引用次数: 0

摘要

许多植物的果实会随风飘落，花朵也会随风摇曳。如果能将植物周围的气流形象化，就能有趣地说明其背后的科学原理。本研究利用 Schlieren 光学系统和高折射率气体，展示了樱花果实、三叶草花、枫树种子螺旋桨和蒲公英 pappi 等球形和螺旋桨形样品周围的气流。观察到的与样品形状相对应的气体流动具有流体动力学特征，如 Coandă 效应。将植物周围气体流动可视化的实验结果可作为流体学和光学的科学教材。

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Observation of gas flow around plants using Schlieren imaging system and high-refractive-index gas

The fruits of many plant are carried and flowers are also swayed by the wind. If the flow of air around plants can be visualized, the science behind it will be interestingly illustrated. In this study, the gas flow around cherry blossom fruits, clover flowers, maple seed propellers, and dandelion pappi as spherical and propeller-shaped samples is demonstrated using a Schlieren optical system and a high-refractive-index gas. The observed gas flow corresponding to the sample shape was well characterized by fluid dynamics features such as the Coandă effect. The results of experiments in which the flow of gas around plants is visualized are useful as a scientific education material for fluidics and optics.

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来源期刊

Physics Education Social Sciences-Education

CiteScore

1.50

自引率

0.00%

发文量

195

期刊介绍： Physics Education seeks to serve the physics teaching community and we welcome contributions from teachers. We seek to support the teaching of physics to students aged 11 up to introductory undergraduate level. We aim to provide professional development and support for teachers of physics around the world by providing: a forum for practising teachers to make an active contribution to the physics teaching community; knowledge updates in physics, educational research and relevant wider curriculum developments; and strategies for teaching and classroom management that will engage and motivate students.