Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Multiple Pipe Systems01:21

Multiple Pipe Systems

1.2K
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
1.2K
Single Pipe Systems01:24

Single Pipe Systems

428
In pipe flow analysis, problems are typically categorized into three types — Type I, Type II, and Type III — based on the known parameters and the desired outcome. Each type of problem addresses specific engineering requirements using fluid properties, pipe characteristics, and operational conditions.
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
428
General Characteristics of Pipe Flow II01:24

General Characteristics of Pipe Flow II

1.6K
When fluid enters a pipe, it first passes through the entrance region, where the velocity profile adjusts due to viscous effects. In this region, a boundary layer forms along the pipe walls and grows until it fully occupies the pipe's cross-section. Once the boundary layer merges, the flow becomes fully developed, with a steady velocity profile that remains consistent along the pipe's length.
The distance to reach a fully developed flow is called the entrance length and depends on the...
1.6K
Design Example: Flow of Oil Through Circular Pipes01:25

Design Example: Flow of Oil Through Circular Pipes

440
Understanding fluid flow behavior through pipes is critical in fluid mechanics, especially in applications like oil transportation through pipelines. Hagen-Poiseuille's law provides an exact solution derived from the Navier-Stokes equations for steady, incompressible, and laminar flow within a circular pipe. Hagen-Poiseuille's law helps determine the necessary pressure drop across a pipeline section by determining parameters like pipe length, radius, oil viscosity, and the desired volumetric...
440
Laminar Flow01:27

Laminar Flow

2.1K
Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:
2.1K
General Characteristics of Pipe Flow I01:22

General Characteristics of Pipe Flow I

1.7K
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...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Identification of a novel fiber shaft structural motif and overexpression of key transcripts elucidated in human adenovirus D 10.

PLoS pathogens·2026
Same author

Designing Pleasure-Centered, Culturally Relevant PrEP Messaging for Black Gay, Bisexual, Queer, Same-Gender-Loving, and Other Men Who have Sex with Men (SGL/MSM) in New York City.

AIDS and behavior·2026
Same author

Agile legged locomotion in reconfigurable modular robots.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Tensions in empowerment- or community-based HIV prevention interventions: lessons learned from ETOILE, a collaborative France-US self-study project.

Global health promotion·2026
Same author

Implementing patient and public involvement (PPI) in eye research: reflections from developing a research study on Geographic Atrophy treatment acceptability.

Research involvement and engagement·2025
Same author

Shark skin-inspired surface designs for drag reduction in drinking water distribution pipes.

Water research·2025
Same journal

Microplastics as Emerging Cotracers in Groundwater Quality Assessments.

ACS ES&T water·2026
Same journal

Electricity-Induced Simultaneous <i>in Situ</i> Remediation of Arsenic and Polycyclic Aromatic Hydrocarbons in Groundwater at a Former Wood Treatment Site - a Field Pilot Study.

ACS ES&T water·2026
Same journal

Characterization of Ozonation Transformation Products of Flutamide and Azathioprine by UHPLC-Ion Mobility-High-Resolution Mass Spectrometry.

ACS ES&T water·2026
Same journal

Preserving Gadolinium Speciation in Environmental Waters: Establishing Hold Times and Storage Protocols for Reliable Analysis.

ACS ES&T water·2026
Same journal

Role of Nitrate-Driven Radical Formation in Microorganism Inactivation under 222 nm UV Irradiation.

ACS ES&T water·2026
Same journal

Potential Release of Micro- and Nanoplastics from Stormwater Infrastructure.

ACS ES&T water·2026
See all related articles

Related Experiment Video

Updated: Jan 15, 2026

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
07:59

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Published on: January 6, 2023

4.1K

Hierarchical Riblet Structures for Enhanced Drag Reduction and Broader Operational Range in Water Pipelines.

Mirvahid Mohammadpour Chehrghani1,2, Jamal Seyyed Monfared Zanjani1, Doekle Yntema2

  • 1Faculty of Engineering Technology, University of Twente, 7500AE Enschede, The Netherlands.

ACS ES&T Water
|October 16, 2025
PubMed
Summary
This summary is machine-generated.

A new Hierarchical Step-shaped Riblet (HSR) design significantly reduces energy loss in drinking water distribution systems. This innovative surface technology maintains drag reduction even in variable flow conditions, improving pipeline efficiency.

Keywords:
biomimetic surfacesdrinking water distributionenergy efficiencyfrictional lossespipe flowribletsturbulent flow

More Related Videos

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

6.1K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

3.1K

Related Experiment Videos

Last Updated: Jan 15, 2026

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
07:59

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Published on: January 6, 2023

4.1K
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

6.1K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

3.1K

Area of Science:

  • Fluid Dynamics
  • Surface Engineering
  • Energy Efficiency

Background:

  • Skin-friction drag in turbulent pipe flows causes significant energy loss in drinking water distribution systems (DWDS).
  • Passive drag-reducing surfaces like riblets show promise but struggle with variable flow conditions.
  • Existing riblet designs often underperform in real-world, fluctuating water pipeline environments.

Purpose of the Study:

  • To develop and evaluate a novel Hierarchical Step-shaped Riblet (HSR) design for sustained drag reduction in DWDS.
  • To enhance drag reduction performance under variable and fluctuating flow conditions typical of water pipelines.
  • To investigate the impact of multiscale geometric tuning and reduced shear exposure on drag reduction.

Main Methods:

  • Fabrication of conventional riblets (CR), hierarchical riblets (HR), and HSR designs using high-resolution 3D printing.
  • Experimental testing of riblet performance in variable flow conditions simulating DWDS.
  • Evaluation of drag reduction across a Reynolds number range of 4200 to 20,000 using friction factor analysis.

Main Results:

  • The HSR design achieved a peak drag reduction of 11.2%.
  • HSR demonstrated sustained drag reduction across a broader range of flow conditions compared to CR and HR designs.
  • Multiscale geometric tuning and reduced shear exposure in HSR enhanced drag reduction performance.

Conclusions:

  • The HSR design offers a viable solution for reducing energy losses in drinking water distribution pipes.
  • The study highlights the effectiveness of advanced surface geometries in improving pipeline efficiency under dynamic flow conditions.
  • HSR technology shows potential for widespread application in water infrastructure to conserve energy.