Ansys Fluent – Heat transfer through pipes

Written by cfd.ninja

March 10, 2020

Bookstore

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes. Engineers also consider the transfer of mass of differing chemical species, either cold or hot, to achieve heat transfer. While these mechanisms have distinct characteristics, they often occur simultaneously in the same system.

Heat conduction, also called diffusion, is the direct microscopic exchange of kinetic energy of particles through the boundary between two systems. When an object is at a different temperature from another body or its surroundings, heat flows so that the body and the surroundings reach the same temperature, at which point they are in thermal equilibrium. Such spontaneous heat transfer always occurs from a region of high temperature to another region of lower temperature, as described in the second law of thermodynamics.

Heat convection occurs when bulk flow of a fluid (gas or liquid) carries heat along with the flow of matter in the fluid. The flow of fluid may be forced by external processes, or sometimes (in gravitational fields) by buoyancy forces caused when thermal energy expands the fluid (for example in a fire plume), thus influencing its own transfer. The latter process is often called “natural convection”. All convective processes also move heat partly by diffusion, as well. Another form of convection is forced convection. In this case the fluid is forced to flow by use of a pump, fan or other mechanical means.

In this tutorial you will learn how to create geometry and its meshing using several tools in DesignModeler and Ansys Meshing, then you will learn how to simulate the model using Ansys Fluent.

Tutorial: Porous Medium using ANSYS CFX.

Related Articles

Ansys Fluent | Y-Shaped Pipe Simulation

Ansys Fluent | Y-Shaped Pipe Simulation

Pipe wyes are used to to allow one pipe to join another pipe at some degree or angle. As the name suggests, the pipe wyes are Y-shaped pipe fitting devices.

Ansys Meshing – Match Control

Ansys Meshing – Match Control

In this tutorial, you will learn how to use the Match Control tool in Ansys Meshing. Match Control allows duplicating the mesh in a body. We have two option Match Control Cyclic and Arbitrary.

Ansys Meshing – Body of Influence

Ansys Meshing – Body of Influence

The Body of Influence option is available in the Type field if you selected a body and Use Adaptive Sizing is set to No. Using this option, you can set one body as a source of another body

Ansys Meshing – Sizing

Ansys Meshing – Sizing

By default, Use Adaptive Sizing is set to Yes, unless Physics Preference is set to CFD or Nonlinear Mechanical (in which case the default is Capture Curvature set to Yes),

Stay Up to Date With The Latest News & Updates

Help us keep growing

CFD.NINJA is financed with its own resources, if you want to support us we will be grateful.

Join Our Newsletter

Subscribe to receive emails with detailed information related to the CFD.

Follow Us

Subscribe to our social networks to receive notifications about our new tutorials

Pin It on Pinterest

Shares

Share This

Share this post with your friends!