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Related Concept Videos

Gradually Varying Flow01:29

Gradually Varying Flow

Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
Steady, Laminar Flow in Circular Tubes01:23

Steady, Laminar Flow in Circular Tubes

Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...
Chambers of the Heart01:16

Chambers of the Heart

The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
Deoxygenated blood from the body is received in the right...
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
Steady Flow of a Fluid Stream01:27

Steady Flow of a Fluid Stream

Consider a control volume, such as a pipe with solid boundaries, through which fluid flows and changes direction due to the impulse exerted by the resulting force from the pipe walls. In steady flow, the mass of fluid entering the control volume at a given time, t, with velocity v1, is equal to the mass leaving after infinitesimal time dt, with velocity v2.
During this process, the momentum of the fluid within the control volume remains constant over the time interval dt. By applying the...
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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Related Experiment Video

Updated: Jul 3, 2026

Parallel-plate Flow Chamber and Continuous Flow Circuit to Evaluate Endothelial Progenitor Cells under Laminar Flow Shear Stress
12:43

Parallel-plate Flow Chamber and Continuous Flow Circuit to Evaluate Endothelial Progenitor Cells under Laminar Flow Shear Stress

Published on: January 17, 2012

Following the flow in chambers.

Partho P Sengupta1, Robert Burke, Bijoy K Khandheria

  • 1Mayo Clinic, Scottsdale, AZ 85259, USA. sengupta.partho@mayo.edu

Heart Failure Clinics
|July 5, 2008
PubMed
Summary
This summary is machine-generated.

This study reviews advanced imaging techniques for visualizing cardiac blood flow dynamics. Understanding these blood flow patterns is crucial for diagnosing and treating heart conditions.

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Last Updated: Jul 3, 2026

Parallel-plate Flow Chamber and Continuous Flow Circuit to Evaluate Endothelial Progenitor Cells under Laminar Flow Shear Stress
12:43

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Area of Science:

  • Cardiovascular Research
  • Medical Imaging
  • Fluid Dynamics

Background:

  • Accurate visualization of intracardiac blood flow is essential for understanding cardiac function.
  • Previous methods have limitations in capturing the complex dynamics within heart chambers.

Purpose of the Study:

  • To summarize current advancements in imaging the sequence of blood flow within cardiac chambers.
  • To compare findings from experimental models and computational fluid dynamics with in vivo imaging techniques.

Main Methods:

  • Phase contrast Magnetic Resonance Imaging (MRI)
  • High-resolution Doppler imaging
  • Echo particle imaging velocimetry
  • Computational fluid dynamics modeling

Main Results:

  • In vivo imaging techniques correlate with experimental and computational fluid dynamics models.
  • Cardiac and valve geometry significantly influence asymmetric blood flow propagation.
  • The cardiac mechanical sequence plays a role in stabilizing blood flow streams.

Conclusions:

  • Mapping intracardiac flow patterns offers valuable insights into cardiovascular health and disease.
  • Further research applying these advanced imaging techniques is warranted for clinical applications.