| Issue |
E3S Web Conf.
Volume 207, 2020
25th Scientific Conference on Power Engineering and Power Machines (PEPM’2020)
|
|
|---|---|---|
| Article Number | 01002 | |
| Number of page(s) | 8 | |
| Section | Thermal Equipment, Heat and Mass Transfer Processes | |
| DOI | https://doi.org/10.1051/e3sconf/202020701002 | |
| Published online | 18 November 2020 | |
Analysis of energy efficiency of air handling unit with integrated air to air heat exchanger in heating mode
University of Food Technologies, Plovdiv, Bulgaria, Department of Heat Engineering, 26 Maritza Blvd. BG-4002 Plovdiv, Bulgaria
* Corresponding author: slav_vul4ev@abv.bg
Object of the present study is an experimental determination of energy efficiency parameters of air handling unit with integrated air to air heat exchanger: effectiveness of air to air heat exchanger, coefficient of performance and specific fan power of air handling unit. A daily performance of air handling unit is conducted. Effectiveness of supply side of air to air heat exchanger in range of 42.4 % to 52.5 % is received. Coefficient of performance in range of 1.50 to 2.08 and specific fan power of air handling unit in range of 1.39 kW/(m3/s) to 2.08 kW/(m3/s) are received. It was found experimentally that effectiveness of air to air heat exchanger depends on values of mass flow of supply and the exhaust air. High values of mass flow of the exhaust air responds to high effectiveness of supply side of air to air heat exchanger.
© The Authors, published by EDP Sciences, 2020
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