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

Responses to Drought and Flooding02:41

Responses to Drought and Flooding

11.3K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.3K
Precipitation Processes01:12

Precipitation Processes

2.0K
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
2.0K
Surface Tension of Fluid01:22

Surface Tension of Fluid

787
Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies...
787
Plane Potential Flows01:23

Plane Potential Flows

551
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...
551
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

169
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
169

You might also read

Related Articles

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

Sort by
Same author

Nanoscale Mechanisms of Piezoelectric Enhancement in MXene-Fluoropolymer Composites.

Nano letters·2026
Same author

Flexible and efficient triboelectric nanogenerators based on PVDF and boron nitride composite yarns and mats.

Nanoscale·2026
Same author

Deposition of Sm-Co Coatings by Chronoamperometric Method.

Materials (Basel, Switzerland)·2026
Same author

Triboelectric Performance of Electrospun PVDF Fibers for Energy Harvesting: A Comparative Study of Boron Nitride (BN) and Reduced Graphene Oxide (rGO) Fillers.

Materials (Basel, Switzerland)·2026
Same author

Hydrophobic Fibers with Hydrophilic Domains for Enhanced Fog Water Harvesting.

Polymers·2026
Same author

A Sustainable Alternative to PVDF for Neural Tissue Engineering via Piezoelectric PHBV and Cellulose Acetate Fibers.

ACS biomaterials science & engineering·2026

Related Experiment Video

Updated: Nov 8, 2025

Preparation of Free-Surface Hyperbolic Water Vortices
04:35

Preparation of Free-Surface Hyperbolic Water Vortices

Published on: July 28, 2023

3.3K

Surface Potential Driven Water Harvesting from Fog.

Daniel P Ura1, Joanna Knapczyk-Korczak1, Piotr K Szewczyk1

  • 1Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, 30-059 Kraków, Poland.

ACS Nano
|April 26, 2021
PubMed
Summary

Improving polycarbonate (PC) fiber production for fog collectors enhances water collection. High humidity and negative voltage during electrospinning create superior fibers for clean water access.

Keywords:
electrical polarityelectrospinningfog collectorspolycarbonatesurface potentialwater harvesting

More Related Videos

Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events
06:26

Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events

Published on: November 7, 2017

17.0K
Proof-of-Concept for Gas-Entrapping Membranes Derived from Water-Loving SiO2/Si/SiO2 Wafers for Green Desalination
09:39

Proof-of-Concept for Gas-Entrapping Membranes Derived from Water-Loving SiO2/Si/SiO2 Wafers for Green Desalination

Published on: March 1, 2020

7.6K

Related Experiment Videos

Last Updated: Nov 8, 2025

Preparation of Free-Surface Hyperbolic Water Vortices
04:35

Preparation of Free-Surface Hyperbolic Water Vortices

Published on: July 28, 2023

3.3K
Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events
06:26

Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events

Published on: November 7, 2017

17.0K
Proof-of-Concept for Gas-Entrapping Membranes Derived from Water-Loving SiO2/Si/SiO2 Wafers for Green Desalination
09:39

Proof-of-Concept for Gas-Entrapping Membranes Derived from Water-Loving SiO2/Si/SiO2 Wafers for Green Desalination

Published on: March 1, 2020

7.6K

Area of Science:

  • Materials Science
  • Environmental Engineering
  • Nanotechnology

Background:

  • Access to clean water is a critical global issue.
  • Fog harvesting offers a sustainable solution for water scarcity.
  • Polycarbonate (PC) fibers are utilized in fog collectors but require efficiency improvements.

Purpose of the Study:

  • To enhance the water collection efficiency of polycarbonate (PC) fibers.
  • To investigate the impact of electrospinning parameters on PC fiber properties.
  • To correlate fiber surface morphology and chemistry with water collection performance.

Main Methods:

  • Electrospinning of PC fibers with controlled voltage polarity and humidity.
  • Experimental measurement of fiber surface morphology and chemistry.
  • Assessment of surface potential and mechanical properties (tensile strength).
  • Quantification of water collection rates from fog.

Main Results:

  • High humidity and negative voltage polarity during electrospinning significantly improved PC fiber water collection rates.
  • These optimized fibers exhibited enhanced surface properties and superior tensile strength.
  • Surface potential and morphology were identified as key factors influencing water collection efficiency.

Conclusions:

  • Optimized electrospinning of PC fibers offers a single-step solution for improved fog collection.
  • Controlled voltage polarity and humidity are crucial for developing high-performance water-collecting fibers.
  • This method enhances water collection capabilities without the need for postprocessing treatments.