Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Rapidly Varying Flow

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...

Irrotational Flow

Irrotational Flow

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:

Plane Potential Flows

Plane Potential Flows

Plane potential flows simplify fluid motion by assuming the fluid to be irrotational and incompressible. These characteristics allow these flows to be described by a velocity potential function, ϕ, representing the flow speed in a given direction, and a stream function, ψ, that visualizes the flow path, both governed by Laplace's equation. These parameters help in estimating flow patterns, velocity distributions, and pressure fields around various hydraulic structures.
Uniform Flow
Uniform flow...

General Characteristics of Pipe Flow I

General Characteristics of Pipe Flow I

Pipe flow refers to the movement of fluids within fully enclosed conduits, typically cylindrical in shape, such as water pipes or hydraulic hoses. These conduits are designed to withstand high-pressure gradients that drive fluid movement, contrasting with open-channel flows, where gravity is the primary driving force. Rectangular conduits, like air conditioning and heating ducts, generally operate at lower pressures and are less suited for high-pressure applications.
The classification of fluid...

Steady, Laminar Flow in Circular Tubes

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,...

Steady Flow of a Fluid Stream

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Integrating ERT and SP Techniques for Characterizing Aquifers and Surface-Groundwater Interactions.

Ground water·2024

See all related articles

Search research articles

Related Experiment Video

Updated: May 16, 2026

The Diffusion of Passive Tracers in Laminar Shear Flow

The Diffusion of Passive Tracers in Laminar Shear Flow

Published on: May 1, 2018

Generalized radial flow in synthetic flow systems.

Dale O Bowman¹, Randall M Roberts, Robert M Holt

¹HydroResolutions, LLC, 1536 Ricasoli Dr. SE, Rio Rancho, NM 87124. The University of Mississippi, 118 Carrier Hall, University, MS 38677.

|December 4, 2012

Summary

Non-integer flow dimensions in pumping tests, often seen in fractured aquifers, can be explained by non-fractal geological structures, not just complex geometry. This research simulates flow in such fields to interpret aquifer heterogeneity.

More Related Videos

In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling

In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling

Published on: November 3, 2015

Pneumococcus Infection of Primary Human Endothelial Cells in Constant Flow

Pneumococcus Infection of Primary Human Endothelial Cells in Constant Flow

Published on: October 31, 2019

Related Experiment Videos

Last Updated: May 16, 2026

The Diffusion of Passive Tracers in Laminar Shear Flow

The Diffusion of Passive Tracers in Laminar Shear Flow

Published on: May 1, 2018

In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling

In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling

Published on: November 3, 2015

Pneumococcus Infection of Primary Human Endothelial Cells in Constant Flow

Pneumococcus Infection of Primary Human Endothelial Cells in Constant Flow

Published on: October 31, 2019

Area of Science:

Hydrogeology
Geophysics
Aquifer Mechanics

Background:

Traditional pumping test analysis methods fail in heterogeneous and fractured-rock aquifers, yielding inaccurate hydraulic property estimations.
The generalized radial flow model introduces a flow dimension parameter to characterize aquifer heterogeneity and geometry.
The interpretation of non-integer flow dimensions remains a significant research challenge in hydrogeology.

Purpose of the Study:

To investigate and interpret non-radial flow phenomena in fractured aquifers, specifically focusing on high-permeability conduits.
To develop and simulate flow within idealized non-radial flow conduits and non-fractal random fields.
To demonstrate that non-integer flow dimensions can be attributed to non-fractal aquifer geometries.

Main Methods:

Development and simulation of fluid flow within idealized non-radial flow conduits.
Simulation of pumping tests in non-fractal random fields exhibiting persistent sub-radial flow responses.
Application of the generalized radial flow model to analyze simulated pumping test data.

Main Results:

Non-integer flow dimensions were successfully simulated and linked to non-fractal geometries within aquifers.
The study provides a physical basis for interpreting sub-radial flow responses observed in pumping tests.
Simulations successfully mimicked well-test responses characteristic of the Culebra Dolomite.

Conclusions:

Non-fractal geometries in aquifers are a viable explanation for non-integer flow dimensions observed during pumping tests.
The findings offer improved methods for analyzing hydraulic properties in complex fractured-rock systems.
This research enhances the understanding of aquifer heterogeneity and its impact on well performance.