| Issue |
EPJ Web Conf.
Volume 269, 2022
EFM19 – Experimental Fluid Mechanics 2019
|
|
|---|---|---|
| Article Number | 01027 | |
| Number of page(s) | 5 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/202226901027 | |
| Published online | 24 October 2022 | |
https://doi.org/10.1051/epjconf/202226901027
An experimental investigation of the thermal efficiency and pressure drop for counterflow heat exchangers intended for recuperator
1 AGH University of Science and Technology, Kraków, Poland
2 Frapol Sp. z o.o., Kraków, Poland
* Corresponding author: jaszczur@agh.edu.pl
Published online: 24 October 2022
Ventilation systems are responsible for a large part of total energy consumption in operated buildings. The possibility of significant energy savings has been noticed when using mechanical ventilation. In order to decrease energy consumption, devices called recuperators are used and their main element responsible for heat recovery is the heat exchanger. In this work, thermal efficiency and pressure drop at individual heat exchangers designed for recuperators were examined. The results of the analysis and the influence of parameters on the device operation are presented. Finally, the thermal efficiency of the entire unit was evaluated. The results were compared and the phenomena occurring in the device itself affecting the differences in calculated efficiency were described.
© The Authors, published by EDP Sciences, 2022
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