Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da FURG (RI FURG) |
Texto Completo: | http://repositorio.furg.br/handle/1/5149 |
Resumo: | In the presented work, it is made a numerical study about the main physical principle of a solar chimney (SCPP – Solar Chimney Power Plant) and the influence of some geometric parameters on the available power in the SCPP. The main objectives are to test the applicability of the studied numerical model in future studies of SCPP geometric optimization and to test the action of the collector inlet height (H1) and the chimney outlet diameter (D2) on the available power of the device. For that it is considered an incompressible, turbulent, steady flow with mixed convective heat transfer in a two-dimensional and axisymmetric domain, similar to the one found in a solar chimney. The conservation equations of mass, momentum and energy are numerically solved using the finite volume method, more specifically with the FLUENT software. The classical turbulence modeling (RANS) was used for the turbulence approach with standard model k – ε. The other geometric parameters: collector radius (R) and the inlet and outlet of the turbine section, R1 and R2, are also constant. The verification results indicated a good agreement with those presented in the literature, even using a simplified domain. It was also observed that the H1 parameter is almost insensitive in the solar chimney performance, whereas the D2 variable presented great influence in the available power. The best performance was attained for an intermediate value of D2, D2 = 0.44 m. For this value, the available power was almost 72% and 19% higher from those obtained in the inferior and superior extremes of the studied D2 variable, D2 = 0.22 m and 0.88 m, respectively. It was also observed that there is a very good possibility of optimization of the chimney geometry in future studies. |
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Numerical study of the influence of geometric parameters on the avaliable power in a solar chimneySolar chimneyNumerical studyAvailable PowerGeometric parametersIn the presented work, it is made a numerical study about the main physical principle of a solar chimney (SCPP – Solar Chimney Power Plant) and the influence of some geometric parameters on the available power in the SCPP. The main objectives are to test the applicability of the studied numerical model in future studies of SCPP geometric optimization and to test the action of the collector inlet height (H1) and the chimney outlet diameter (D2) on the available power of the device. For that it is considered an incompressible, turbulent, steady flow with mixed convective heat transfer in a two-dimensional and axisymmetric domain, similar to the one found in a solar chimney. The conservation equations of mass, momentum and energy are numerically solved using the finite volume method, more specifically with the FLUENT software. The classical turbulence modeling (RANS) was used for the turbulence approach with standard model k – ε. The other geometric parameters: collector radius (R) and the inlet and outlet of the turbine section, R1 and R2, are also constant. The verification results indicated a good agreement with those presented in the literature, even using a simplified domain. It was also observed that the H1 parameter is almost insensitive in the solar chimney performance, whereas the D2 variable presented great influence in the available power. The best performance was attained for an intermediate value of D2, D2 = 0.44 m. For this value, the available power was almost 72% and 19% higher from those obtained in the inferior and superior extremes of the studied D2 variable, D2 = 0.22 m and 0.88 m, respectively. It was also observed that there is a very good possibility of optimization of the chimney geometry in future studies.2015-07-20T23:03:55Z2015-07-20T23:03:55Z2015info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfVIEIRA, R. S. et al. Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney. Engenharia Térmica, v. 14, n. 1, p. 103-109, 2015. Disponível em: <http://demec.ufpr.br/reterm/artigos/350-2015.pdf>. Acesso em: 18 jul. 2015.1676-1790http://repositorio.furg.br/handle/1/5149engVieira, Rodrigo SpotornoGarcia, ClaudioAcunha Junior, Ivoni CarlosSouza, Jeferson AvilaRocha, Luis Alberto OliveiraIsoldi, Liércio AndréSantos, Elizaldo Domingues dosinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FURG (RI FURG)instname:Universidade Federal do Rio Grande (FURG)instacron:FURG2017-05-31T20:09:25Zoai:repositorio.furg.br:1/5149Repositório InstitucionalPUBhttps://repositorio.furg.br/oai/request || http://200.19.254.174/oai/requestopendoar:2017-05-31T20:09:25Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG)false |
dc.title.none.fl_str_mv |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
title |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
spellingShingle |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney Vieira, Rodrigo Spotorno Solar chimney Numerical study Available Power Geometric parameters |
title_short |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
title_full |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
title_fullStr |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
title_full_unstemmed |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
title_sort |
Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney |
author |
Vieira, Rodrigo Spotorno |
author_facet |
Vieira, Rodrigo Spotorno Garcia, Claudio Acunha Junior, Ivoni Carlos Souza, Jeferson Avila Rocha, Luis Alberto Oliveira Isoldi, Liércio André Santos, Elizaldo Domingues dos |
author_role |
author |
author2 |
Garcia, Claudio Acunha Junior, Ivoni Carlos Souza, Jeferson Avila Rocha, Luis Alberto Oliveira Isoldi, Liércio André Santos, Elizaldo Domingues dos |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Vieira, Rodrigo Spotorno Garcia, Claudio Acunha Junior, Ivoni Carlos Souza, Jeferson Avila Rocha, Luis Alberto Oliveira Isoldi, Liércio André Santos, Elizaldo Domingues dos |
dc.subject.por.fl_str_mv |
Solar chimney Numerical study Available Power Geometric parameters |
topic |
Solar chimney Numerical study Available Power Geometric parameters |
description |
In the presented work, it is made a numerical study about the main physical principle of a solar chimney (SCPP – Solar Chimney Power Plant) and the influence of some geometric parameters on the available power in the SCPP. The main objectives are to test the applicability of the studied numerical model in future studies of SCPP geometric optimization and to test the action of the collector inlet height (H1) and the chimney outlet diameter (D2) on the available power of the device. For that it is considered an incompressible, turbulent, steady flow with mixed convective heat transfer in a two-dimensional and axisymmetric domain, similar to the one found in a solar chimney. The conservation equations of mass, momentum and energy are numerically solved using the finite volume method, more specifically with the FLUENT software. The classical turbulence modeling (RANS) was used for the turbulence approach with standard model k – ε. The other geometric parameters: collector radius (R) and the inlet and outlet of the turbine section, R1 and R2, are also constant. The verification results indicated a good agreement with those presented in the literature, even using a simplified domain. It was also observed that the H1 parameter is almost insensitive in the solar chimney performance, whereas the D2 variable presented great influence in the available power. The best performance was attained for an intermediate value of D2, D2 = 0.44 m. For this value, the available power was almost 72% and 19% higher from those obtained in the inferior and superior extremes of the studied D2 variable, D2 = 0.22 m and 0.88 m, respectively. It was also observed that there is a very good possibility of optimization of the chimney geometry in future studies. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-07-20T23:03:55Z 2015-07-20T23:03:55Z 2015 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
VIEIRA, R. S. et al. Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney. Engenharia Térmica, v. 14, n. 1, p. 103-109, 2015. Disponível em: <http://demec.ufpr.br/reterm/artigos/350-2015.pdf>. Acesso em: 18 jul. 2015. 1676-1790 http://repositorio.furg.br/handle/1/5149 |
identifier_str_mv |
VIEIRA, R. S. et al. Numerical study of the influence of geometric parameters on the avaliable power in a solar chimney. Engenharia Térmica, v. 14, n. 1, p. 103-109, 2015. Disponível em: <http://demec.ufpr.br/reterm/artigos/350-2015.pdf>. Acesso em: 18 jul. 2015. 1676-1790 |
url |
http://repositorio.furg.br/handle/1/5149 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da FURG (RI FURG) instname:Universidade Federal do Rio Grande (FURG) instacron:FURG |
instname_str |
Universidade Federal do Rio Grande (FURG) |
instacron_str |
FURG |
institution |
FURG |
reponame_str |
Repositório Institucional da FURG (RI FURG) |
collection |
Repositório Institucional da FURG (RI FURG) |
repository.name.fl_str_mv |
Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG) |
repository.mail.fl_str_mv |
|
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1807384395794874368 |