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Related Concept Videos

Typical Model Studies01:30

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
Capillarity in Fluid01:19

Capillarity in Fluid

Capillarity describes the movement of liquid in small spaces without external forces acting on it. The capillarity is driven by surface tension and adhesive interactions between the liquid and surrounding solid surfaces. This effect is often seen in narrow tubes, porous materials, and fine particles.
Surface tension is crucial to capillarity. It results from cohesive forces between liquid molecules at the liquid-air boundary, forming a skin that resists external forces. When the capillary tube...
Fluid Movement Between Compartments01:18

Fluid Movement Between Compartments

The force applied by fluids against a surface, known as hydrostatic pressure, initiates the transfer of fluid among different compartments. Within our blood vessels, the blood's hydrostatic pressure is a result of the heart's pumping action. At the arteriolar end of capillaries, hydrostatic pressure (capillary blood pressure) exceeds the opposing colloid osmotic pressure created primarily by plasma proteins like albumin. This discrepancy in pressure propels plasma and nutrients from the...
Modeling and Similitude01:12

Modeling and Similitude

Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
Applications of Integration to Find Hydrostatic Pressure01:30

Applications of Integration to Find Hydrostatic Pressure

Hydrostatic force is a fluid's total force at rest on a surface. For a horizontal surface submerged at a fixed depth, the pressure is constant and calculated as the product of fluid density, gravitational acceleration, and depth. In the case of a vertical dam wall submerged in water, this force is not evenly distributed due to the increasing pressure with depth. This variation arises from the cumulative weight of the water above each point. Integration is used to account for the continuous...

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Related Experiment Video

Updated: Jul 2, 2026

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

Cellular-scale hydrodynamics.

Manouk Abkarian1, Magalie Faivre, Renita Horton

  • 1Laboratoire des Colloides, Verres et Nanomateriaux, Universite de Montpellier, Montpellier Cedex 5, France.

Biomedical Materials (Bristol, England)
|September 4, 2008
PubMed
Summary
This summary is machine-generated.

Microfluidic devices offer new ways to study cell responses. Researchers used these tools to analyze red blood cell shapes, mechanical properties, and behavior in confined spaces for potential health diagnostics.

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Combining Fluidic Devices with Microscopy and Flow Cytometry to Study Microbial Transport in Porous Media Across Spatial Scales
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Published on: November 25, 2020

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Combining Fluidic Devices with Microscopy and Flow Cytometry to Study Microbial Transport in Porous Media Across Spatial Scales
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Combining Fluidic Devices with Microscopy and Flow Cytometry to Study Microbial Transport in Porous Media Across Spatial Scales

Published on: November 25, 2020

Area of Science:

  • Biophysics
  • Cellular Mechanics
  • Microfluidics

Background:

  • Microfluidic tools enable detailed study of cellular responses.
  • Both suspension-level and single-cell measurements are crucial.
  • Red blood cells are a key model system for these investigations.

Purpose of the Study:

  • To review studies on red blood cell behavior in microfluidic systems.
  • To highlight methods for evaluating cellular mechanical responses.
  • To explore applications in diagnosing cellular changes.

Main Methods:

  • Utilizing microfluidic devices for cell analysis.
  • Investigating cell shapes in confined geometries.
  • Developing and applying a 'differential manometer' for mechanical testing.
  • Analyzing cross-streamline drift of cells through constrictions.

Main Results:

  • Demonstrated systematic study of fluid mechanical effects on cells in microdevices.
  • Showcased the use of microfluidics for characterizing physicochemical responses.
  • Highlighted the potential for diagnosing environmental impacts on cells.

Conclusions:

  • Microfluidic tools provide powerful insights into cellular behavior.
  • Developed methods can characterize cell mechanics and responses.
  • These techniques hold promise for diagnosing cellular-scale changes.