The Lagrangian picture of heat transfer in convective turbulence

TL;DR

This paper explores the Lagrangian perspective of heat transfer in turbulent Rayleigh-Benard convection using direct numerical simulation data, providing visual insights into the local heat transfer mechanisms.

Contribution

It introduces a Lagrangian approach to visualize and analyze heat transfer in turbulent convection, which is a novel perspective in this field.

Findings

Lagrangian visualization reveals detailed heat transfer pathways.

Numerical data supports the importance of flow structures in heat transfer.

The approach enhances understanding of turbulent heat transport mechanisms.

Abstract

We present a fluid dynamics video which illustrates the Lagrangian aspects of local heat transfer in turbulent Rayleigh-Benard convection. The data are obtained from a direct numerical simulation.