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関連する概念動画

Dynamics of Circular Motion01:30

Dynamics of Circular Motion

An object undergoing circular motion, like a race car, is accelerating because it is changing the direction of its velocity. This centrally directed acceleration is called centripetal acceleration. This acceleration acts along the radius of the curved path (thus is also referred to as radial acceleration).
Any acceleration must be produced by some force. Therefore, any force or combination of forces can cause centripetal acceleration. A few examples include the tension in the rope on a...
Accelerating Fluids01:17

Accelerating Fluids

When a fluid is in constant acceleration, the pressure and buoyant force equations are modified. Suppose a beaker is placed in an elevator accelerating upward with a constant acceleration, a. In the beaker, assume there is a thin cylinder of height h with an infinitesimal cross-sectional area, ΔS.
The motion of the liquid within this infinitesimal cylinder is considered to obtain the pressure difference. Three vertical forces act on this liquid:
Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.

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Updated: Jun 6, 2026

Micro-particle Image Velocimetry for Velocity Profile Measurements of Micro Blood Flows
07:53

Micro-particle Image Velocimetry for Velocity Profile Measurements of Micro Blood Flows

Published on: April 25, 2013

マイクロフリウイド系:マイクロフリウイドで高放射加速する.

J Patrick Shelby1, David S W Lim, Jason S Kuo

  • 1Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, USA.

Nature
|September 5, 2003
PubMed
まとめ
この要約は機械生成です。

研究者らは,高回転速度と半径加速を実現できるマイクロフリウイド型マイクロヴォルテックスを開発した. この技術は,マイクロデバイスにおける極端な遠心力による生物学的および化学的プロセスの研究を可能にします.

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Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets
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Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

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A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
11:14

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

Published on: January 10, 2017

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Last Updated: Jun 6, 2026

Micro-particle Image Velocimetry for Velocity Profile Measurements of Micro Blood Flows
07:53

Micro-particle Image Velocimetry for Velocity Profile Measurements of Micro Blood Flows

Published on: April 25, 2013

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets
08:20

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Published on: February 22, 2016

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
11:14

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

Published on: January 10, 2017

科学分野:

  • バイオテクノロジー バイオテクノロジー
  • 流体力学 流体力学とは
  • マイクロフリウジック

背景:

  • マイクロ流体システムは,生物学的サンプルを迅速に分析することができます.
  • マイクロスケールでの流体ダイナミクスの制御は,高度なアプリケーションにとって極めて重要です.

研究 の 目的:

  • 小説のマイクロフリウイドのマイクロヴォルテックスについて説明します.
  • 高回転速度と半径加速を生成する能力を実証するために.

主な方法:

  • マイクロ流体システム内の単一の再循環フロー (マイクロヴォーテックス) の生成.
  • 流体の回転速度と半径加速の測定.

主要な成果:

  • 最大流体回転速度12m/s{-1}までの最大回転速度を達成しました.
  • 発生した半径加速は106gを超えています.
  • 遠心分離型マイクロデバイスにおけるマイクロボリュームの可能性を実証した.

結論:

  • マイクロボリュームは,マイクロフリウイドのアプリケーションの強力なツールです.
  • 生成される高放射加速は,極端な条件下で生物学的および化学的プロセスを研究するために利用できます.