Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre
The application of T-junction has already been extended from the petroleum engineering to the emerging advanced thermodynamic cycles. How a T-junction, as a separator in an emerging thermodynamic cycle, affects the cycle efficiency is discussed in this paper. Firstly, based on the Eulerian method, p...
Published in: | Progress in Oceanography |
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Language: | English |
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Online Access: | http://hdl.handle.net/10508/15442 http://hdl.handle.net/10261/318658 https://doi.org/10.1016/j.pocean.2018.09.013 |
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ftcsic:oai:digital.csic.es:10261/318658 2024-02-11T10:06:34+01:00 Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre Casanova- Masjoan, María Joyce, T.M Pérez-Hernández, María Dolores Vélez-Belchí, Pedro Hernández-Guerra, A 2018 http://hdl.handle.net/10508/15442 http://hdl.handle.net/10261/318658 https://doi.org/10.1016/j.pocean.2018.09.013 en eng Elsevier BV Centro Oceanográfico de Canarias 0079-6611 http://hdl.handle.net/10508/15442 http://hdl.handle.net/10261/318658 doi:10.1016/j.pocean.2018.09.013 24088 open Separator Centro Oceanográfico de Canarias Medio Marino y Protección Ambiental Cycle efficiency Local pressure drop Two-phase flow T-junction research article 2018 ftcsic https://doi.org/10.1016/j.pocean.2018.09.013 2024-01-16T11:45:12Z The application of T-junction has already been extended from the petroleum engineering to the emerging advanced thermodynamic cycles. How a T-junction, as a separator in an emerging thermodynamic cycle, affects the cycle efficiency is discussed in this paper. Firstly, based on the Eulerian method, parametric studies on the local pressure drop coefficients are conducted and two new local pressure drop (LPD) coefficients are predicted in this paper. Then, the effects of pressure drop on a composition adjustable organic Rankine cycle efficiency is analyzed. In the process, a composition adjustable organic Rankine cycle with zeotropic mixtures R245fa/R123 is chosen to calculate the effects of pressure drop on thermodynamic cycle efficiency. The quality of the outlet of the evaporator is assumed as 0.7, and the composition ratio as 0.6/0.4. The results show that the pressure variation of T-junction affects the adjustable organic Rankine cycle efficiency, and reasonable phase separation ratio can improve the thermodynamic cycle efficiency. The pressure drop could cause composition diffusion. In addition, two new local pressure drop coefficients are obtained. And the results demonstrate that K12J declines slowly with the increases of density ratio (ρ2/ρ1) and decreases with the increases of mass fraction of taken off (F). K13J shows an obvious trend with diameter ratio (d3/d1) and F. This work could push the research of T-junction as a separator in the adjustable organic Rankine cycle Sí Article in Journal/Newspaper North Atlantic Digital.CSIC (Spanish National Research Council) Progress in Oceanography 168 296 309 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Separator Centro Oceanográfico de Canarias Medio Marino y Protección Ambiental Cycle efficiency Local pressure drop Two-phase flow T-junction |
spellingShingle |
Separator Centro Oceanográfico de Canarias Medio Marino y Protección Ambiental Cycle efficiency Local pressure drop Two-phase flow T-junction Casanova- Masjoan, María Joyce, T.M Pérez-Hernández, María Dolores Vélez-Belchí, Pedro Hernández-Guerra, A Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre |
topic_facet |
Separator Centro Oceanográfico de Canarias Medio Marino y Protección Ambiental Cycle efficiency Local pressure drop Two-phase flow T-junction |
description |
The application of T-junction has already been extended from the petroleum engineering to the emerging advanced thermodynamic cycles. How a T-junction, as a separator in an emerging thermodynamic cycle, affects the cycle efficiency is discussed in this paper. Firstly, based on the Eulerian method, parametric studies on the local pressure drop coefficients are conducted and two new local pressure drop (LPD) coefficients are predicted in this paper. Then, the effects of pressure drop on a composition adjustable organic Rankine cycle efficiency is analyzed. In the process, a composition adjustable organic Rankine cycle with zeotropic mixtures R245fa/R123 is chosen to calculate the effects of pressure drop on thermodynamic cycle efficiency. The quality of the outlet of the evaporator is assumed as 0.7, and the composition ratio as 0.6/0.4. The results show that the pressure variation of T-junction affects the adjustable organic Rankine cycle efficiency, and reasonable phase separation ratio can improve the thermodynamic cycle efficiency. The pressure drop could cause composition diffusion. In addition, two new local pressure drop coefficients are obtained. And the results demonstrate that K12J declines slowly with the increases of density ratio (ρ2/ρ1) and decreases with the increases of mass fraction of taken off (F). K13J shows an obvious trend with diameter ratio (d3/d1) and F. This work could push the research of T-junction as a separator in the adjustable organic Rankine cycle Sí |
format |
Article in Journal/Newspaper |
author |
Casanova- Masjoan, María Joyce, T.M Pérez-Hernández, María Dolores Vélez-Belchí, Pedro Hernández-Guerra, A |
author_facet |
Casanova- Masjoan, María Joyce, T.M Pérez-Hernández, María Dolores Vélez-Belchí, Pedro Hernández-Guerra, A |
author_sort |
Casanova- Masjoan, María |
title |
Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre |
title_short |
Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre |
title_full |
Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre |
title_fullStr |
Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre |
title_full_unstemmed |
Changes across 66W, the Caribbean Sea and the Western boundaries of the North Atlantic Subtropical Gyre |
title_sort |
changes across 66w, the caribbean sea and the western boundaries of the north atlantic subtropical gyre |
publisher |
Elsevier BV |
publishDate |
2018 |
url |
http://hdl.handle.net/10508/15442 http://hdl.handle.net/10261/318658 https://doi.org/10.1016/j.pocean.2018.09.013 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
Centro Oceanográfico de Canarias 0079-6611 http://hdl.handle.net/10508/15442 http://hdl.handle.net/10261/318658 doi:10.1016/j.pocean.2018.09.013 24088 |
op_rights |
open |
op_doi |
https://doi.org/10.1016/j.pocean.2018.09.013 |
container_title |
Progress in Oceanography |
container_volume |
168 |
container_start_page |
296 |
op_container_end_page |
309 |
_version_ |
1790604367234072576 |