CFD simulation of wall radiator with natural convection heat transfer

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In this project, a wall-mounted radiator was simulated in a room, and the HVAC system was studied. Purchasing this product lets you access CAD and mesh files and simulated files. With the purchase of this product, a training video will be sent to you about the Fluent simulation steps and a full explanation of the options.

$20.00

Description

In this project, a wall-mounted radiator was simulated in a room, and the HVAC system was studied. Wall-mounted radiators are one of the essential parts of the heating system in homes and buildings. These radiators are usually installed in rooms near walls and provide the home heating system with hot water from a boiler or other heating equipment. Wall-mounted radiators require less space than traditional radiators due to their design. Therefore, the wall-mounted radiator is of particular importance as one of the main components of the home and building heating system. The quality and efficiency of wall-mounted radiators are essential in providing suitable and cost-effective heating for homes and buildings. Therefore, CFD simulations are significant in evaluating the performance of these radiators. Using CFD analysis, we can find suitable locations for installing the radiator to achieve higher efficiency.

                 wall-mounted radiator

In this project, water movement inside the radiator is not simulated to simplify the process. A thermal source with 10000 watts per cubic meter simulates the radiator heat generation.

Method:

This project is simulated in 3D, and the software space claim is used to generate its geometry. The Ansys Meshing software does the meshing of this geometry, and after meshing in Ansys Meshing software, the make a polyhedral feature is used in Fluent, and the tetrahedral elements are converted to polyhedral elements. The number of elements used for this project is 1596952.

Since natural convection heat transfer occurs, gravity must be activated, and density is not constant, so we must use the ideal gas equation. The turbulence model used in this simulation is the K-epsilon Realizable model.

Result:

After simulation, we can see velocity, temperature, and pressure contours. We see that the air temperature has risen near the wall-mounted radiator. By looking at the velocity contour, we also see that the air moves upwards to near the radiator and is replaced by cooler air. Repeat this cycle over time, and the entire room air becomes warm.

 

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