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

Design Example: Calculating Safe Diameter for Wind-Exposed Disc01:17

Design Example: Calculating Safe Diameter for Wind-Exposed Disc

269
Assessing safety in wind-exposed installations is crucial to preventing potential failures. This example explores the calculation and design adjustments needed to mount a circular disc on a building facade, where wind forces are a primary concern. A 4-meter diameter disc was initially designed as an aesthetic feature facing winds at a velocity of 25 meters per second, with an air density of 1.25 kilograms per cubic meter. Given these conditions, the drag force on the disc was determined using...
269
Mechanisms of Heat Transfer II01:20

Mechanisms of Heat Transfer II

4.0K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
4.0K
Mechanisms of Heat Transfer I01:14

Mechanisms of Heat Transfer I

5.4K
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
5.4K
Mechanisms of Heat Transfer01:14

Mechanisms of Heat Transfer

1.2K
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
1.2K
Conduction, Convection and Radiation: Problem Solving01:20

Conduction, Convection and Radiation: Problem Solving

2.0K
There are three methods by which heat transfer can take place: conduction, convection, and radiation. Each method has unique and interesting characteristics, but all three have two things in common: they transfer heat solely because of a temperature difference; and the greater the temperature difference, the faster the heat transfer.
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
2.0K
Mechanism of heat transfer01:19

Mechanism of heat transfer

1.7K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Screening Biomarkers Related to Circadian Rhythm of Gastric Cancer Through Bioinformatics.

Applied biochemistry and biotechnology·2026
Same author

Doping with Multiscale Hybrid Particles Enhances the Thermal Conductivity and Insulation Properties of Epoxy Resin Composites.

Materials (Basel, Switzerland)·2026
Same author

Dynamic optic nerve sheath diameter monitoring for intracranial pressure assessment in TBI patients.

Frontiers in neurology·2026
Same author

Microstructure transformation in biaxially oriented poly(lactic acid) films governed by pre-crystallization.

International journal of biological macromolecules·2026
Same author

Deep transfer learning radiomics combined with explainable machine learning for predicting malignancy risk in parotid gland tumors based on ultrasound.

European journal of radiology·2026
Same author

Diagnostic Value of End-Tidal Carbon Dioxide Combined With Lactate for Early Detection of Sepsis in Prehospital Patients: A Prospective Cohort Study.

Medical science monitor : international medical journal of experimental and clinical research·2026
Same journal

Research on a Regional Availability Evaluation Model for Road-Area High-Entropy Energy Based on Synergy Factors.

Entropy (Basel, Switzerland)·2026
Same journal

Atmospheric Turbulence Channel Modeling and Performance Analysis of a CO-ZP-OFDM Coherent Optical Communication System for UAV Air-to-Ground Scenarios.

Entropy (Basel, Switzerland)·2026
Same journal

Information Geometry and Asymptotic Theory for SMML Estimators.

Entropy (Basel, Switzerland)·2026
Same journal

Correlation Entropy and Power-Law Kinetics.

Entropy (Basel, Switzerland)·2026
Same journal

Research on the Contagion of Systemic Financial Risk Under the Impact of Climate Risks-From the Perspective of Complex Networks and Machine Learning.

Entropy (Basel, Switzerland)·2026
Same journal

The Statistical-Mechanical Meaning of the Wave Function of Quantum Mechanics.

Entropy (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Nov 27, 2025

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
10:03

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel

Published on: October 5, 2018

8.5K

Constructal Optimization for Cooling a Non-Uniform Heat Generating Radial-Pattern Disc by Conduction.

Jiang You1,2,3, Huijun Feng1,2,3, Lingen Chen1,2,3

  • 1Institute of Thermal Science and Power Engineering, Naval University of Engineering, Wuhan 430033, China.

Entropy (Basel, Switzerland)
|December 3, 2020
PubMed
Summary
This summary is machine-generated.

This study optimizes heat conduction in discs with non-uniform heat generation using high conductivity channels (HCCs). Increasing the number of HCCs significantly reduces maximum temperature differences, enhancing thermal performance in electronic devices.

Keywords:
constructal theorygeneralized thermodynamic optimizationminimum maximum temperature differencenon-uniform heat generationradial-pattern discvariable cross-section

More Related Videos

Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches
10:58

Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches

Published on: July 22, 2025

442
Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
04:35

Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment

Published on: July 5, 2024

2.2K

Related Experiment Videos

Last Updated: Nov 27, 2025

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
10:03

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel

Published on: October 5, 2018

8.5K
Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches
10:58

Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches

Published on: July 22, 2025

442
Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
04:35

Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment

Published on: July 5, 2024

2.2K

Area of Science:

  • Heat transfer
  • Thermal management
  • Constructal theory

Background:

  • Radial-pattern discs with non-uniform heat generation (NUHG) present thermal challenges.
  • High conductivity channels (HCCs) are proposed to improve heat dissipation.
  • Optimizing HCC geometry is crucial for effective thermal management.

Purpose of the Study:

  • To establish a heat conduction model for radial-pattern discs with NUHG.
  • To perform constructal optimization of discs with constant and variable cross-sectional HCCs.
  • To minimize the maximum temperature difference (MTD) and enhance heat conduction performance (HCP).

Main Methods:

  • Analytical method and finite element method were employed for optimization.
  • Constructal optimization was applied to discs with varying HCC configurations.
  • The influence of NUHG coefficient, HCC number, and width coefficient was investigated.

Main Results:

  • Optimal construct deviations between analytical and finite element methods were minimal.
  • Increasing HCCs from 10 to 25 reduced MTD by 48.8% for a NUHG coefficient of 10.
  • Variable cross-sectional HCCs decreased MTD by 15.0% when the width coefficient changed from 1 to 4.

Conclusions:

  • Properly increasing the number of HCCs significantly improves disc heat conduction performance.
  • Variable cross-sectional HCC geometry offers superior heat transfer performance in constructal design.
  • Findings contribute to designing practical electronic devices with enhanced thermal management.