| Issue |
E3S Web Conf.
Volume 194, 2020
2020 5th International Conference on Advances in Energy and Environment Research (ICAEER 2020)
|
|
|---|---|---|
| Article Number | 01026 | |
| Number of page(s) | 4 | |
| Section | Energy Engineering and Energy Development and Utilization | |
| DOI | https://doi.org/10.1051/e3sconf/202019401026 | |
| Published online | 15 October 2020 | |
Experimental Testing of the Water Distillation System with Regard to Heat and Cooling Generation by Means of Reversible Thermochemical Reactions
1 Cherkasy State Technological University, Department of Energy Technologies, Shevchenko Boulevard, 460, 18006 Cherkasy, Ukraine
2 Cherkasy State Technological University, Department of Electrotechnical Systems, Shevchenko Boulevard, 460, 18006 Cherkasy, Ukraine
* Corresponding author: s.bespalko@chdtu.edu.ua
The paper presents the results of an experimental study on the exothermal heat and endothermal cooling generation under vacuum conditions using a water distillation system of special design. The heat and cooling are generated when KOH and NH4NO3 crystals are dissolved as a result of natural mixing in the water, distilled from NH4NO3 and KOH liquid solutions, respectively. The time evolutions of the temperatures measured in KOH→H2O→NH4NO3 and NH4NO3→H2O→KOH experiments are presented and discussed. It has been shown that under vacuum conditions, the endothermal effect of NH4NO3 dissolution in water is stronger than that observed at atmospheric pressure, while the exothermal effect of KOH dissolution in water is weaker. The experimental results obtained will be used to develop the dual thermochemical heat storage and cooling generating system in order to utilize solar heat in the summer.
© The Authors, published by EDP Sciences, 2020
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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