Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines
Improving the thermal efficiency of internal combustion engines is essential to reduce the operating costs and complaints with the increasing environmental requirements. Thermoelectric generators came up as an opportunity to reuse part of the heat loss with the exhausts. This paper evaluates the per...
- Autores:
-
Ramírez Restrepo, Rafael Antonio
Sagastume, Alexis
Cabello Eras, Juan José
Hernández, B
Duarte Forero, Jorge
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2021
- Institución:
- Corporación Universidad de la Costa
- Repositorio:
- REDICUC - Repositorio CUC
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.cuc.edu.co:11323/9012
- Acceso en línea:
- https://hdl.handle.net/11323/9012
https://repositorio.cuc.edu.co/
- Palabra clave:
- Energy efficiency
Internal combustion engine
Thermoelectric generator
Thermoelectric module
- Rights
- openAccess
- License
- CC0 1.0 Universal
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| dc.title.spa.fl_str_mv |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| title |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| spellingShingle |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines Energy efficiency Internal combustion engine Thermoelectric generator Thermoelectric module |
| title_short |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| title_full |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| title_fullStr |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| title_full_unstemmed |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| title_sort |
Experimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines |
| dc.creator.fl_str_mv |
Ramírez Restrepo, Rafael Antonio Sagastume, Alexis Cabello Eras, Juan José Hernández, B Duarte Forero, Jorge |
| dc.contributor.author.spa.fl_str_mv |
Ramírez Restrepo, Rafael Antonio Sagastume, Alexis Cabello Eras, Juan José Hernández, B Duarte Forero, Jorge |
| dc.subject.spa.fl_str_mv |
Energy efficiency Internal combustion engine Thermoelectric generator Thermoelectric module |
| topic |
Energy efficiency Internal combustion engine Thermoelectric generator Thermoelectric module |
| description |
Improving the thermal efficiency of internal combustion engines is essential to reduce the operating costs and complaints with the increasing environmental requirements. Thermoelectric generators came up as an opportunity to reuse part of the heat loss with the exhausts. This paper evaluates the performance of a thermoelectric generator to improve the efficiency of a stationary diesel engine under different rotational speeds and torques. The data was obtained through CFD simulations and validated with experiments. The proposed solution uses a cooling system to control the temperature of the thermoelectric modules. The results show that the torque and the rotational speed of the engine are the most significant performance parameters of the thermoelectric generator, while the influence of the cooling water temperature has a minor but still significant influence. Additionally, the results show a change from 1.3% to 6.2% in the thermoelectric generator efficiency, while the exergy efficiency varies between 1.8% and 7.9%. The exergy balance indicates that most of the exergy is loss because of the irreversibilities in the thermoelectric generator and of the exergy loss with the exhausts. The exergy loss can be reduced by optimizing the design of the heat exchanger. Since the thermoelectric generator improved the engine efficiency by a marginal 0.2%-0.8%. Therefore, it is important to further research how to improve the design of heat exchangers for thermoelectric generators to increase their energy conversion efficiency and their impact on the energy efficiency of internal combustion engines. |
| publishDate |
2021 |
| dc.date.issued.none.fl_str_mv |
2021 |
| dc.date.accessioned.none.fl_str_mv |
2022-01-28T21:11:58Z |
| dc.date.available.none.fl_str_mv |
2022-01-28T21:11:58Z |
| dc.type.spa.fl_str_mv |
Artículo de revista |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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http://purl.org/coar/resource_type/c_6501 |
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Text |
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info:eu-repo/semantics/article |
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http://purl.org/redcol/resource_type/ART |
| dc.type.version.spa.fl_str_mv |
info:eu-repo/semantics/acceptedVersion |
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http://purl.org/coar/resource_type/c_6501 |
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acceptedVersion |
| dc.identifier.issn.spa.fl_str_mv |
2405-8440 |
| dc.identifier.uri.spa.fl_str_mv |
https://hdl.handle.net/11323/9012 |
| dc.identifier.doi.spa.fl_str_mv |
DOI: 10.1016/j.heliyon.2021.e08273 |
| dc.identifier.instname.spa.fl_str_mv |
Corporación Universidad de la Costa |
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REDICUC - Repositorio CUC |
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https://repositorio.cuc.edu.co/ |
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2405-8440 DOI: 10.1016/j.heliyon.2021.e08273 Corporación Universidad de la Costa REDICUC - Repositorio CUC |
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https://hdl.handle.net/11323/9012 https://repositorio.cuc.edu.co/ |
| dc.language.iso.none.fl_str_mv |
eng |
| language |
eng |
| dc.relation.references.spa.fl_str_mv |
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[47] M.A. Rosen, Clarifying thermodynamic efficiencies and losses via exergy, Exergy, An Int. J. 2 (2002) 3–5. [48] M. Ghazikhani, M. Hatami, D.D. Ganji, M. Gorji-Bandpy, A. Behravan, G. Shahi, Exergy recovery from the exhaust cooling in a DI diesel engine for BSFC reduction purposes, Energy. 65 (2014) 44–51. https://doi.org/10.1016/j.energy.2013.12.004. [49] S. Sarıkoç, İ. Örs, S. Ünalan, An experimental study on energy-exergy analysis and sustainability index in a diesel engine with direct injection diesel-biodiesel-butanol fuel blends, Fuel. 268 (2020) 117321. https://doi.org/10.1016/j.fuel.2020.117321. [50] G. Min, D.M. Rowe, Conversion Efficiency of Thermoelectric Combustion Systems, IEEE Trans. Energy Convers. 22 (2007) 528–534. https://doi.org/10.1109/TEC.2006.877375. [51] X. Niu, J. Yu, S. Wang, Experimental study on low-temperature waste heat thermoelectric generator, J. Power Sources. 188 (2009) 621–626. https://doi.org/10.1016/j.jpowsour.2008.12.067. [52] W.-H. Chen, P.-H. 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(2021). https://es.globalpetrolprices.com/diesel_prices/ (accessed July 31, 2021). [57] D.R. Karana, R.R. Sahoo, Thermal, environmental and economic analysis of a new thermoelectric cogeneration system coupled with a diesel electricity generator, Sustain. Energy Technol. Assessments. 40 (2020) 100742. https://doi.org/10.1016/j.seta.2020.100742. |
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Ramírez Restrepo, Rafael AntonioSagastume, AlexisCabello Eras, Juan JoséHernández, BDuarte Forero, Jorge2022-01-28T21:11:58Z2022-01-28T21:11:58Z20212405-8440https://hdl.handle.net/11323/9012DOI: 10.1016/j.heliyon.2021.e08273Corporación Universidad de la CostaREDICUC - Repositorio CUChttps://repositorio.cuc.edu.co/Improving the thermal efficiency of internal combustion engines is essential to reduce the operating costs and complaints with the increasing environmental requirements. Thermoelectric generators came up as an opportunity to reuse part of the heat loss with the exhausts. This paper evaluates the performance of a thermoelectric generator to improve the efficiency of a stationary diesel engine under different rotational speeds and torques. The data was obtained through CFD simulations and validated with experiments. The proposed solution uses a cooling system to control the temperature of the thermoelectric modules. The results show that the torque and the rotational speed of the engine are the most significant performance parameters of the thermoelectric generator, while the influence of the cooling water temperature has a minor but still significant influence. Additionally, the results show a change from 1.3% to 6.2% in the thermoelectric generator efficiency, while the exergy efficiency varies between 1.8% and 7.9%. The exergy balance indicates that most of the exergy is loss because of the irreversibilities in the thermoelectric generator and of the exergy loss with the exhausts. The exergy loss can be reduced by optimizing the design of the heat exchanger. Since the thermoelectric generator improved the engine efficiency by a marginal 0.2%-0.8%. Therefore, it is important to further research how to improve the design of heat exchangers for thermoelectric generators to increase their energy conversion efficiency and their impact on the energy efficiency of internal combustion engines.Ramírez Restrepo, Rafael Antonio-will be generated-orcid-0000-0001-6947-4122-600Sagastume, Alexis-will be generated-orcid-0000-0003-0188-7101-600Cabello Eras, Juan José-will be generated-orcid-0000-0003-0949-0862-600Hernández, BDuarte Forero, Jorge-will be generated-orcid-0000-0001-7345-9590-600application/pdfengCorporación Universidad de la CostaCC0 1.0 Universalhttp://creativecommons.org/publicdomain/zero/1.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Heliyonhttps://pubmed.ncbi.nlm.nih.gov/34765787/Energy efficiencyInternal combustion engineThermoelectric generatorThermoelectric moduleExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel enginesArtículo de revistahttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARTinfo:eu-repo/semantics/acceptedVersion[1] Y. 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Assessments. 40 (2020) 100742. https://doi.org/10.1016/j.seta.2020.100742.PublicationORIGINALExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines.pdfExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines.pdfapplication/pdf5521492https://repositorio.cuc.edu.co/bitstreams/e71e37cb-f69b-467a-a997-5468840d7ff1/downloade019501c87ffbe603dc8070c85233faaMD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8701https://repositorio.cuc.edu.co/bitstreams/1c42018e-8d26-42eb-b43e-c630fc137f00/download42fd4ad1e89814f5e4a476b409eb708cMD52LICENSElicense.txtlicense.txttext/plain; charset=utf-83196https://repositorio.cuc.edu.co/bitstreams/27306520-25ce-403d-b41b-0329011cf87d/downloade30e9215131d99561d40d6b0abbe9badMD53THUMBNAILExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines.pdf.jpgExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines.pdf.jpgimage/jpeg64096https://repositorio.cuc.edu.co/bitstreams/de2018ea-a237-400d-9234-2c7135734f00/downloadd4491bc0f36ec88f0ce4a1e0d83da049MD54TEXTExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines.pdf.txtExperimental study of the potential for thermal energy recovery with thermoelectric devices in low displacement diesel engines.pdf.txttext/plain52855https://repositorio.cuc.edu.co/bitstreams/22a897c4-b188-45fa-b61f-3e3548e38f38/download523aaaf176727a26bfae18b6745277ffMD5511323/9012oai:repositorio.cuc.edu.co:11323/90122024-09-17 10:51:57.833http://creativecommons.org/publicdomain/zero/1.0/CC0 1.0 Universalopen.accesshttps://repositorio.cuc.edu.coRepositorio de la Universidad de la Costa 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