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Related Concept Videos

Evolution of Staircase Structures in Diffusive Convection07:28

Evolution of Staircase Structures in Diffusive Convection

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Diffusive convection (DC) widely occurs in natural processes and engineering applications, characterized by a series of staircases with homogeneous convecting layers and stratified interfaces. An experimental procedure is described to simulate the evolution process of the DC staircase structure, including the generation, development and disappearance, in a rectangular...
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We describe a novel method to perform DNA replication via the polymerase chain reaction (PCR). Thermal convection is harnessed to continuously shuttle reagents between denaturing, annealing, and extension conditions by maintaining opposing surfaces of the reactor at constant temperature. This inherently simple design promises to make rapid PCR more...
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Convection-Enhanced Delivery of Antibodies into a Mouse Brain02:58

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This video demonstrates a convection-enhanced delivery (CED) technique for antibody delivery into the mouse brain. The skull of an anesthetized mouse is exposed, and a burr hole is created at the target area for antibody delivery. A step catheter containing antibodies is inserted at the target site, and via an infusion pump, a pressure gradient is created to deliver antibodies at a controlled...
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Delivery of Antibodies into the Murine Brain via Convection-enhanced Delivery08:22

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Convection-enhanced delivery (CED) is a method enabling effective delivery of therapeutics into the brain by direct perfusion of large tissue volumes. The procedure requires the use of catheters and an optimized injection procedure. This protocol describes a methodology for CED of an antibody into a mouse...
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Using a Tray Dryer to Investigate Convective and Conductive Heat Transfer07:41

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Source: Michael G. Benton and Kerry M. Dooley, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA
Dryers are utilized in numerous industrial processes. The function of a dryer is to use heat transfer processes to dry solids. A variety of dryer types exist. Adiabatic dryers use convection and direct contact with gases to dry solids, whereas non-adiabatic dryers use methods other than heated gas contact to dry1, including conduction, radiation, and radio frequency...
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Related Experiment Video

Updated: Jan 20, 2026

Evolution of Staircase Structures in Diffusive Convection
07:28

Evolution of Staircase Structures in Diffusive Convection

Published on: September 5, 2018

6.9K

No decrease of tropical convection in individual deep convective systems with global warming.

Maximilien Bolot1, Rémy Roca2, Thomas Fiolleau2

  • 1LMD/IPSL, CNRS, ENS-PSL, Ecole Polytechnique, Sorbonne Université, Paris, France.

NPJ Climate and Atmospheric Science
|January 19, 2026
PubMed
Summary

Tropical convection does not decrease with global warming; instead, individual storms transport more mass. A reduction in the total number of storms, not their intensity, explains the overall decrease in tropical convection.

Keywords:
Climate sciencesMathematics and computing

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Related Experiment Videos

Last Updated: Jan 20, 2026

Evolution of Staircase Structures in Diffusive Convection
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Published on: September 5, 2018

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Rapid PCR Thermocycling using Microscale Thermal Convection
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Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite
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Area of Science:

  • Atmospheric science
  • Climate science
  • Meteorology

Background:

  • Scientific consensus suggests tropical convection decreases with global warming.
  • This decrease is linked to reduced convective mass flux and fewer high clouds, impacting climate sensitivity.

Purpose of the Study:

  • To investigate the response of individual tropical storms to global warming.
  • To re-evaluate the mechanisms behind the projected decrease in tropical convection.

Main Methods:

  • Utilized kilometer-scale simulations in radiative-convective equilibrium.
  • Employed a convective tracking algorithm to analyze storm behavior.

Main Results:

  • Individual storms show an increase in mass transport per storm, not a decrease.
  • Storms achieve this by expanding their convective cores.
  • The overall decrease in tropical convection is attributed to a reduced number of storms.

Conclusions:

  • The mean pressure velocity within storm cores remains remarkably invariant.
  • This invariance suggests an emergent property of convection that warrants further research.
  • Findings challenge the existing understanding of tropical convection's response to climate change.