Video Experimental Relacionado

Updated: Mar 18, 2026

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
09:37

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole

Published on: August 26, 2019

6.2K

Restricciones sísmicas de alta resolución en la dinámica de flujo en la astenosfera oceánica

Pei-Ying Patty Lin, James B Gaherty, Ge Jin

    Nature
    |July 8, 2016
    PubMed
    Resumen

    La anisotropía de la velocidad de las ondas sísmicas revela que la deformación del manto oceánico está dominada por la expansión del fondo marino y el flujo astenosférico, no por el movimiento de las placas. Esto aclara los procesos que dan forma al interior de la Tierra bajo el fondo del océano.

    Más Videos Relacionados

    Evolution of Staircase Structures in Diffusive Convection07:28

    Evolution of Staircase Structures in Diffusive Convection

    Published on: September 5, 2018

    6.9K
    Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp09:58

    Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

    Published on: February 3, 2014

    8.9K

    Videos de Conceptos Relacionados

    Eulerian and Lagrangian Flow Descriptions01:22

    Eulerian and Lagrangian Flow Descriptions

    Fluid flow analysis is critical in many scientific and engineering disciplines, and two principal approaches are used to describe this flow: the Eulerian and Lagrangian methods. These methods offer different perspectives on monitoring and analyzing the motion of fluids, each with distinct advantages depending on the scenario.
    The Eulerian method focuses on fixed points in space where fluid properties, such as velocity, pressure, and temperature, are observed as the fluid moves between these...
    2.1K
    Pressure Variation in a Fluid at Rest01:11

    Pressure Variation in a Fluid at Rest

    In a fluid at rest, the pressure at any point beneath the fluid surface depends solely on the depth, not on the container's shape or size. This principle, known as hydrostatic pressure, arises because, in stationary fluids, there is no acceleration, meaning the forces within the fluid balance out. Only vertical forces, caused by the weight of the fluid above, contribute to pressure changes with depth.
    When measuring pressure at two different levels within the fluid, the difference in...
    967
    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...
    714
    Uniform Depth Channel Flow: Problem Solving01:18

    Uniform Depth Channel Flow: Problem Solving

    To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
    597
    Couette Flow01:22

    Couette Flow

    Couette flow represents the flow of fluid between two parallel plates, with one plate fixed and the other moving with a constant velocity. This configuration allows for a simplified analysis using the Navier-Stokes equations, which govern fluid motion under conditions of viscosity and incompressibility. For Couette flow, the assumptions include a steady, laminar, incompressible flow with a zero-pressure gradient in the flow direction. This flow type is beneficial for understanding shear-driven...
    1.3K
    Rapidly Varying Flow01:24

    Rapidly Varying Flow

    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...
    608