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Experimental study of thermo-environmental properties of single and double-chambered bioethanol burners

2025Journal article Open access
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Química
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosEngenharia e Tecnologia::Engenharia do Ambiente
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg04:Educação de Qualidade
dc.contributor.authorRyšavý, Jiří
dc.contributor.authorVicente, Estela Alexandra Domingos
dc.contributor.authorMolchanov, Oleksandr
dc.contributor.authorCipoli, Yago Alonso
dc.contributor.authorKrpec, Kamil
dc.contributor.authorAlves, Célia A.
dc.contributor.authorFeliciano, Manuel
dc.contributor.authorDargham, Imane
dc.contributor.authorKuo, Jenn-Kun
dc.contributor.authorWang, Cheng-Chi
dc.date.accessioned2025-11-10T18:17:41Z
dc.date.available2025-11-10T18:17:41Z
dc.date.issued2025
dc.description.abstractBioethanol burners are becoming increasingly popular across Europe, often valued primarily for their aesthetic appeal; however, their potential role in household energy systems and their influence on the indoor environment have been largely overlooked. This study aimed to evaluate the effects of burner design, burner opening area regulation, fuel quality, and initial fuel dose on key operational and environmental performance metrics, including heat output, pollutant emission rates, and impact on indoor environment, for single- and doublechambered bioethanol burners. The results showed that single-chambered burners achieved 11-31 % higher average heat output and 8-27 % higher maximum heat output despite having a lower burner opening area. Regarding emissions, single-chambered burners exhibited lower CO emission factors (5-51 % reduction) but higher NOx emission factors (13-23 % increase) compared to double-chambered burners. Indoors, a similar trend was observed, with single-chambered burners contributing to lower CO levels but higher NOx concentrations. These findings provide new insights into how burner geometry directly affects combustion efficiency and pollutant formation mechanisms, including thermal NOx and incomplete combustion processes. This study is one of the few to combine controlled hood testing with real-room experiments, offering a comprehensive assessment of the indoor air quality implications of ethanol burner operation. The results of this study highlight the necessity for further research and development to mitigate potential health risks while maximising the efficiency of bioethanol burners as a viable household heating solution.eng
dc.description.sponsorshipThis work was financed by the project LIFE-IP SK Air Quality Improvement (LIFE18 IPE/SK/000010), supported by funding from the LIFE Programme of the European Union. Part of the work was financed by national funds in Portugal through FCT – Fundação para a Ciência e a Tecnologia I.P., under the project/grant UID/50006 + LA/P/0094/2020. In addition, FCT is acknowledged for the research contract under Scientific Employment Stimulus to Estela D. Vicente (DOI: 10.54499/2022.00399.CEECIND/CP1720/CT0012) Yago A. Cipoli (SFRH/BD/04992/2021) also acknowledges FCT for the PhD scholarship.
dc.identifier.citationRyšavý, Jiří; Vicente, Estela Alexandra Domingos; Molchanov, Oleksandr; Cipoli, Yago Alonso; Krpec, Kamil; Alves, Célia A.; Feliciano, Manuel; Dargham, Imane; Kuo, Jenn-Kun; Wang, Cheng-Chi (2025). Experimental study of thermo-environmental properties of single and double-chambered bioethanol burners. Applications in Energy and Combustion Science. ISSN 2666-352X. 23, p. 1-15
dc.identifier.doi10.1016/j.jaecs.2025.100359
dc.identifier.issn2666-352X
dc.identifier.urihttp://hdl.handle.net/10198/35024
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationCentre for Environmental and Marine Studies
dc.relation.ispartofApplications in Energy and Combustion Science
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectBurner
dc.subjectBioethanol
dc.subjectCombustion
dc.subjectEmissions
dc.subjectIndoor air quality
dc.titleExperimental study of thermo-environmental properties of single and double-chambered bioethanol burnerseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FQUI%2F50006%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0094%2F2020/PT
oaire.citation.endPage15
oaire.citation.startPage1
oaire.citation.titleApplications in Energy and Combustion Science
oaire.citation.volume23
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameFeliciano
person.givenNameManuel
person.identifier.ciencia-id2D11-7230-702B
person.identifier.orcid0000-0002-3147-4511
person.identifier.scopus-author-id6603358480
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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relation.isAuthorOfPublication.latestForDiscoveryccb9c69d-2820-493b-ab44-77b0538814fa
relation.isProjectOfPublication0639b466-3bb2-49f2-aac8-d5ec88f23787
relation.isProjectOfPublication077ec6ad-5789-4bb9-8ebb-564a55c71ead
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