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レイノルズ数

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Computer generated animation of fluid in a tube flowing past a cylinder, showing the shedding of a series of vortices in the flow behind it, called a von Kármán vortex street. The streamlines show the direction of the fluid flow, and the color gradient shows the pressure at each point, from blue to green, yellow, and red indicating increasing pressure

流体力学の基礎と応用液体と気体の流れを解き明かす

流体力学ナビエ・ストークス方程式レイノルズ数層流
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A vortex street around a cylinder. This can occur around cylinders and spheres, for any fluid, cylinder size and fluid speed, provided that the flow has a Reynolds number in the range ~40 to ~1000.[1]

流体ダイナミクスにおける渦（エディ）のメカニズムと広範な影響

渦エディレイノルズ数乱流
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The plume from this candle flame transitions from laminar to turbulent.

レイノルズ数流体の流れを支配する慣性と粘性のバランス

レイノルズ数流体力学層流乱流
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Settling pond for iron particles at water works

沈降の物理学と産業応用粒子が液体中で沈むメカニズム

沈降終末速度ストークスの法則レイノルズ数
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無次元量とは何か？科学と工学を支える「単位のない数」の仕組み

無次元量次元解析バッキンガムのπ定理レイノルズ数
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重力流（密度流）のメカニズムと自然界・建築環境への影響

重力流密度流流体力学ブシネスク近似
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Computer generated animation of fluid in a tube flowing past a cylinder, showing the shedding of a series of vortices in the flow behind it, called a von Kármán vortex street. The streamlines show the direction of the fluid flow, and the color gradient shows the pressure at each point, from blue to green, yellow, and red indicating increasing pressure

流体力学の基礎と応用流体の挙動を解き明かす科学

流体力学ナビエ・ストークス方程式レイノルズ数層流
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Sketch of multiphase flow in an oil pipe, where the continuous phase is the liquid (blue) carrying smaller particles. Gas (white) and oil particles (black) are in a disperse phase.

多相流のメカニズムと産業応用流体力学の視点から

多相流流体力学二相流流動様式
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Linear structure of cellulose — the most common component of all organic plant life on Earth. * Note the evidence of hydrogen bonding which increases the viscosity at any temperature and pressure. This is an effect similar to that of polymer crosslinking, but less pronounced.

レオロジーとは？物質の流動と変形を解き明かす科学

レオロジー非ニュートン流体粘弾性粘度
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