| Issue |
ITM Web Conf.
Volume 23, 2018
XLVIII Seminar of Applied Mathematics
|
|
|---|---|---|
| Article Number | 00029 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/itmconf/20182300029 | |
| Published online | 07 November 2018 | |
Mathematical modelling of solid desiccant systems
Wrocław University of Science and Technology, Faculty of Environmental Engineering, Department of Air Conditioning, Heating, Gas Engineering and Air Protection, 4/6 Norwida st., 50-373 Wroclaw, Poland
* Corresponding author: anna.pacak@pwr.edu.pl
In this study, the mathematical model equations for solid desiccant system integrated with indirect evaporative coolers with Maisotsenko - Cycle are presented. The authors chose the modified ε–NTU method to describe heat and mass transfer processes in regenerative indirect evaporative cooler and desiccant wheel. The models based on the ε–NTU method show satisfactory agreement with experimental results. That is why this method allows to analyze and develop the performance of solid desiccant systems. In this study, the models allowed to prove that solid desiccant system with an additional heat exchanger before the desiccant wheel (System 1) obtains higher thermal COP values, higher humidity ratio drop and lower supply airflow temperatures in comparison to system with only one heat exchanger after the desiccant wheel (System 2).
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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