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Computational Fluid Dynamics (CFD) Analysis of Radiant Heating and Cooling

Radiant systems primarily employ hydronic cooling and heating with the reduced requirement of the supply air. Therefore, such systems can potentially be more energy efficient than traditional all-air HVAC systems. Though the radiant heat transfer occurs primarily between the surfaces, the convective heat transfer occurs between the adjacent air and the radiant surfaces. Therefore, ventilation air plays a vital role in determining the thermal comfort of occupants.

Although radiant heat transfer is supposed to provide more than 50 percent of the sensible heating or cooling, adequate air movement adjacent to the radiant surfaces is essential for transferring the heat to and from the surfaces to the occupied spaces. Also, the temperature difference between the adjacent air and the radiant surfaces can affect the cooling capacity of the radiant surfaces.

Our proprietary CFD analysis procedures help our clients in optimizing the design of the radiant systems by developing strategic locations of radiant panels. Our analyses predict airflow patterns; temperature distribution; the extent of a radiant component in total heat transfer; and importantly, the thermal comfort of the occupants.

AnSights into Radiant Heating and Cooling

Air temperature distribution with low ventilation airflow rate
Air temperature distribution with high ventilation airflow rate
Distribution of thermal comfort of occupants as per ASHRAE Standard 55
Zones of high radiant temperature in a space

We provide insights into

  • Three-dimensional airflow patterns.
  • Optimization of location and capacities of radiant panels.
  • Prediction of radiant temperature.
  • Thermal comfort of occupants (ASHRAE Standard 55).
  • Effect of sensible heat loads on the performance of radiant systems.
  • Optimization of location and type of supply and exhaust diffusers for air ventilation.

Looking for CFD services for Radiant Heating And Cooling?

We have several years of experience in providing optimized solutions for a wide variety of engineering problems involving fluid flow, heat transfer, mass transfer, and other similar engineering processes. If you are looking for an expert who can provide you the right solution with the expert CFD knowledge, feel free to contact us.

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