Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle

The use of nuclear reactors is a large studied possible solution for thermochemical water splitting cycles. Nevertheless, there are several problems that have to be solved. One of them is to increase the efficiency of the cycles. Hence, in this paper, a thermal energy optimization of a Sulfur–Iodine...

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Main Authors: L.C. Juárez-Martínez, G. Espinosa-Paredes, A. Vázquez-Rodríguez, H. Romero-Paredes
Format: Article
Language:English
Published: Elsevier 2021-06-01
Series:Nuclear Engineering and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1738573320309827
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author L.C. Juárez-Martínez
G. Espinosa-Paredes
A. Vázquez-Rodríguez
H. Romero-Paredes
author_facet L.C. Juárez-Martínez
G. Espinosa-Paredes
A. Vázquez-Rodríguez
H. Romero-Paredes
author_sort L.C. Juárez-Martínez
collection DOAJ
description The use of nuclear reactors is a large studied possible solution for thermochemical water splitting cycles. Nevertheless, there are several problems that have to be solved. One of them is to increase the efficiency of the cycles. Hence, in this paper, a thermal energy optimization of a Sulfur–Iodine nuclear hydrogen production cycle was performed by means a heuristic method with the aim of minimizing the energy targets of the heat exchanger network at different minimum temperature differences. With this method, four different heat exchanger networks are proposed. A reduction of the energy requirements for cooling ranges between 58.9-59.8% and 52.6-53.3% heating, compared to the reference design with no heat exchanger network. With this reduction, the thermal efficiency of the cycle increased in about 10% in average compared to the reference efficiency. This improves the use of thermal energy of the cycle.
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spelling doaj.art-9d1c06148eb1426189a91c9cfafdc3672022-12-21T22:02:42ZengElsevierNuclear Engineering and Technology1738-57332021-06-0153620662073Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycleL.C. Juárez-Martínez0G. Espinosa-Paredes1A. Vázquez-Rodríguez2H. Romero-Paredes3Área de Ingeniería en Recursos Energéticos, Universidad Autónoma Metropolitana Iztapalapa, México City, 09340, MexicoCorresponding author.; Área de Ingeniería en Recursos Energéticos, Universidad Autónoma Metropolitana Iztapalapa, México City, 09340, MexicoÁrea de Ingeniería en Recursos Energéticos, Universidad Autónoma Metropolitana Iztapalapa, México City, 09340, MexicoÁrea de Ingeniería en Recursos Energéticos, Universidad Autónoma Metropolitana Iztapalapa, México City, 09340, MexicoThe use of nuclear reactors is a large studied possible solution for thermochemical water splitting cycles. Nevertheless, there are several problems that have to be solved. One of them is to increase the efficiency of the cycles. Hence, in this paper, a thermal energy optimization of a Sulfur–Iodine nuclear hydrogen production cycle was performed by means a heuristic method with the aim of minimizing the energy targets of the heat exchanger network at different minimum temperature differences. With this method, four different heat exchanger networks are proposed. A reduction of the energy requirements for cooling ranges between 58.9-59.8% and 52.6-53.3% heating, compared to the reference design with no heat exchanger network. With this reduction, the thermal efficiency of the cycle increased in about 10% in average compared to the reference efficiency. This improves the use of thermal energy of the cycle.http://www.sciencedirect.com/science/article/pii/S1738573320309827Nuclear hydrogen productionEnergy integrationHeat exchanger networkSulfur–iodine cycle
spellingShingle L.C. Juárez-Martínez
G. Espinosa-Paredes
A. Vázquez-Rodríguez
H. Romero-Paredes
Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle
Nuclear Engineering and Technology
Nuclear hydrogen production
Energy integration
Heat exchanger network
Sulfur–iodine cycle
title Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle
title_full Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle
title_fullStr Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle
title_full_unstemmed Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle
title_short Energy optimization of a Sulfur–Iodine thermochemical nuclear hydrogen production cycle
title_sort energy optimization of a sulfur iodine thermochemical nuclear hydrogen production cycle
topic Nuclear hydrogen production
Energy integration
Heat exchanger network
Sulfur–iodine cycle
url http://www.sciencedirect.com/science/article/pii/S1738573320309827
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AT gespinosaparedes energyoptimizationofasulfuriodinethermochemicalnuclearhydrogenproductioncycle
AT avazquezrodriguez energyoptimizationofasulfuriodinethermochemicalnuclearhydrogenproductioncycle
AT hromeroparedes energyoptimizationofasulfuriodinethermochemicalnuclearhydrogenproductioncycle