| Issue |
E3S Web Conf.
Volume 321, 2021
XIII International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT 2021)
|
|
|---|---|---|
| Article Number | 04018 | |
| Number of page(s) | 6 | |
| Section | Heat and Mass Transfert | |
| DOI | https://doi.org/10.1051/e3sconf/202132104018 | |
| Published online | 11 November 2021 | |
Analysis of heat exchanger in an air handling unit – A case study
1
Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology,, 30-059 Kraków, Poland
2
Frapol Sp. z o.o.,, 30-832 Kraków, Poland
* Corresponding author: kzwolinska@agh.edu.pl
Ventilation plays an important role in providing comfortable conditions for users and is also one of the most energy-consuming systems in the building. Due to successive regulations aimed at reducing the energy load of buildings towards zero-energy buildings, energy recovery systems in air handling units have become an indispensable element. The high effectiveness of the entire system guarantees a reduction in energy demand. At very low or very high external temperatures, appropriate comfort conditions are provided by additional heaters or coolers. The subject of the paper is a ventilation system in a hotel located in southern Poland. The building is a faithful reconstruction of the historical saltworks adapted for the needs of the hotel. The air handling unit equipped with a rotary exchanger supplies air to hotel rooms located on two floors. The analysis includes the effectiveness of the air-handling unit operation under various external conditions, as well as the temperature changes during heat exchange. The results show the actual operation of the air-handling unit, which is particularly important in terms of reducing the energy consumption of the hotel.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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