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Related Concept Videos

Gradually Varying Flow01:29

Gradually Varying Flow

505
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...
505
Steady Flow of a Fluid Stream01:27

Steady Flow of a Fluid Stream

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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...
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Rapidly Varying Flow01:24

Rapidly Varying Flow

606
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
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Irrotational Flow01:28

Irrotational Flow

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Irrotational flow is characterized by fluid motion where particles do not rotate around their axes, resulting in zero vorticity. For a flow to be irrotational, the curl of the velocity field must be zero. This imposes specific conditions on velocity gradients. For instance, to maintain zero rotation about the z-axis, the gradient condition:
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Laminar and Turbulent Flow01:07

Laminar and Turbulent Flow

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Fluid dynamics is the study of fluids in motion. Velocity vectors are often used to illustrate fluid motion in applications like meteorology. For example, wind—the fluid motion of air in the atmosphere—can be represented by vectors indicating the speed and direction of the wind at any given point on a map. Another method for representing fluid motion is a streamline. A streamline represents the path of a small volume of fluid as it flows. When the flow pattern changes with time, the...
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Flow Sheet01:17

Flow Sheet

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Flowsheets are valuable tools in nursing documentation. They enable healthcare professionals to efficiently record and monitor various patient assessments and measurements in a consolidated format.
Here's a closer look at the examples of flowsheets commonly used by nurses:
Graphic Sheet Documentation:
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Related Experiment Video

Updated: Mar 13, 2026

Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature
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Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature

Published on: November 26, 2019

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Going with the flow.

Nick Lipley

    Emergency Nurse : the Journal of the RCN Accident and Emergency Nursing Association
    |October 13, 2016
    PubMed
    Summary

    The health service aims to eliminate hospital bed blocking by April. This initiative by the Department of Health will improve patient flow and healthcare efficiency.

    Area of Science:

    • Health Policy
    • Healthcare Management

    Background:

    • Hospital bed blocking, also known as delayed discharge, is a significant issue in healthcare systems.
    • It leads to reduced hospital capacity and impacts patient care.

    Purpose of the Study:

    • To outline the Department of Health's strategy for ending widespread bed blocking.
    • To project the timeline for achieving this goal within the current year.

    Main Methods:

    • Analysis of Department of Health strategic plans.
    • Monitoring of implementation progress for proposed solutions.

    Main Results:

    • Anticipation of the cessation of widespread bed blocking by April.
    • Expected improvements in healthcare service efficiency.

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    Conclusions:

    • The Department of Health's plans are projected to resolve the issue of bed blocking.
    • Successful implementation will enhance the overall performance of the health service.