Sizing of coils Air handling unit
Program to calculate the potential of the water or electric coils of an air handling unit
In the context of air conditioning, ventilation and air conditioning systems, the coils of treatment units play a crucial role in optimizing energy efficiency and maintaining ideal environmental conditions. The correct design and sizing of these coils is essential to ensure correct heat exchange and humidity management, directly influencing the comfort of building occupants and the overall efficiency of the systems.
This program, created and made available free of charge by Itieffe, was created with the aim of providing engineers, designers and professionals in the sector with an advanced and intuitive tool for the precise determination of the specific batteries necessary to ensure optimal operation of the water treatment units. 'air. Through the use of sophisticated algorithms and updated thermodynamic data, the program aims to simplify and improve the design process, taking into consideration parameters such as internal and external local climatic conditions and the amount of air to be treated, managing to trace the necessary thermal load to be supplied to the battery.
Whether residential, commercial or industrial projects, sizing accuracy directly impacts the overall energy performance of systems, component life and long-term operating expenses. This program aims to become an indispensable tool for optimizing decision-making during the design and installation of air conditioning and ventilation systems, thus contributing to the reduction of environmental impact and energy costs.
Taking advantage of the potential of advanced processing, the program aims to offer reliable and personalized results, adaptable to the specific needs of each project. In an era where energy efficiency and sustainability are at the heart of global challenges, this program presents itself as an indispensable tool for all those involved in the process of designing and installing state-of-the-art air handling systems.
Sizing of air handling unit batteries
Units of measurement that can be inserted both in the International and Anglo-Saxon systems
How to calculate the power of the water or electric batteries of an air treatment unit
With this program it will be easy to plan the capacity of the batteries of an Air Treatment Unit (AHU) or perform a simple check if the same has the batteries suitable for the system that you are analyzing.
The following transformations have been taken into consideration: generic, winter, summer and complete.
Obviously the cold coil will be exclusively water while the pre-heating and post-heating ones could also be electric
Keep in mind that after the air comes out from the final post heating coil, it is possible to insert other local post heating coils controlled in the area for a precise regulation of the room temperature. You could use fan coils (fan coil) or electric batteries or water from ducting.
When we make the choice of the type of system between: "with air recirculation" and "all-air", we take into consideration that all-air systems are suitable only for some types of environments including: animal housing and in some cases, controlled contamination environments (P3 - P4 - Clean and sterile rooms).
All-air systems have a considerable management cost compared to those with air recirculation.
Last clarification concerns the winter humidification to be provided air not illustrated in this document as it is sent back to the program: Humidification - Calculation
Sizing of air handling unit batteries
Below are the diagrams obtainable with the free program: Conditioning blocks
Instructions
Let's analyze the program
1 - The first thing to do is choosing what type of transformation you intend to do. The following transformations can be indicated: GENERIC, WINTER, SUMMER, COMPLETE.
2 - We choose the type of system between: "with air recirculation" and "full air". In the first case, the boxes indicating the temperature and humidity relative to the Mixture will be filled automatically.
3 - We set the inlet and outlet temperatures in degrees Celsius or Fahrenheit and the respective relative humidity (%).
4 - In "All calculations in" enter which unit of measurement we intend to use by choosing between: BTU, kcal / h, kJ, kW, Ton.
5 - Enter how much outside air the UTA will have to treat.
6 - In the case of an air recirculation system, enter the quantity that will be treated.
7 - finally, in the highlighted boxes and that is where the values are editable, we insert all the values that we would like to obtain.
8 - Finally, let's analyze the values obtained.
From here we can read the potential that each individual battery must provide to obtain the set thermohygrometric values.
Easy right?
good job
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Other free programs of the same kind offered by itieffe ▼
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- Psychrometric charts
- Air conditioning tables
- Air quality
- Conditioning diagrams & drawings
Sizing of air handling unit batteries
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