Analise técnica para aumento da produtividade de dessalinizadores solares através de modelagem e simulação
Aware of the global need to ensure access to drinking water and that most of the water on the globe contains salinity levels that make it impossible to consume and use it in the home, we propose, in this work, simulations that allowed us to understand some of the elements related to the functioning...
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| Formato: | Dissertação |
| Idioma: | pt_BR |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/45599 |
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| Resumo: | Aware of the global need to ensure access to drinking water and that most of
the water on the globe contains salinity levels that make it impossible to consume and use it
in the home, we propose, in this work, simulations that allowed us to understand some of
the elements related to the functioning of desalinators, mainly aimed at optimizing the
water production capacity from conventional equipment to modified equipment. For this, a
simulation in EMSO software was used, starting from the mathematical modeling of energy
balances. Conventional type desalinators were studied, using nanofluids, with low pressure
generation and a heat source at the base. Daily productivity results were obtained of 1,567
L / m² for the conventional model, of 1,860 L / m² for the modified model with low
pressure, of 1,742 L / m² for the model with a 50W heat source, of 1,965 L / m² for the
model with a 100W heat source and 2,197 L / m² for the model with a 150W heat source.
The results of nanofluids did not fit the proposed model, since the model used in the
literature is not, according to what we have seen, capable of describing the phenomena. In
addition, the results were compared with experimental data from the Northeast region,
obtaining 2,731 L / m² of daily production. The results made it possible to understand the
characteristics of the different models regarding heat transfer, as well as it was possible to
evaluate the best equipment represented by the model and its cost-benefit ratio. Within
these characteristics, the modified model with a 150W heat source was the best fit. |
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