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Article: Brownian micro-engines and refrigerators in a spatially periodic temperature field: heat flow and performances

TitleBrownian micro-engines and refrigerators in a spatially periodic temperature field: heat flow and performances
Authors
KeywordsEfficiency
Heat Flow
Thermal Motor
Issue Date2006
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physleta
Citation
Physics Letters, Section A: General, Atomic And Solid State Physics, 2006, v. 352 n. 4-5, p. 286-290 How to Cite?
AbstractWe study the thermodynamic features of a thermal motor driven by temperature differences, which consists of a Brownian particle moving in a sawtooth potential with an external load. The motor can work as a heat engine or a refrigerator under different conditions. The heat flow driven by both potential and kinetic energy is considered. The former is reversible when the engine works quasistatically and the latter is always irreversible. The efficiency of the heat engine (Coefficient Of Performance (COP) of a refrigerator) can never approach Carnot efficiency (COP). © 2005 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/156817
ISSN
2015 Impact Factor: 1.677
2015 SCImago Journal Rankings: 0.755
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAi, BQen_US
dc.contributor.authorWang, Len_US
dc.contributor.authorLiu, LGen_US
dc.date.accessioned2012-08-08T08:44:05Z-
dc.date.available2012-08-08T08:44:05Z-
dc.date.issued2006en_US
dc.identifier.citationPhysics Letters, Section A: General, Atomic And Solid State Physics, 2006, v. 352 n. 4-5, p. 286-290en_US
dc.identifier.issn0375-9601en_US
dc.identifier.urihttp://hdl.handle.net/10722/156817-
dc.description.abstractWe study the thermodynamic features of a thermal motor driven by temperature differences, which consists of a Brownian particle moving in a sawtooth potential with an external load. The motor can work as a heat engine or a refrigerator under different conditions. The heat flow driven by both potential and kinetic energy is considered. The former is reversible when the engine works quasistatically and the latter is always irreversible. The efficiency of the heat engine (Coefficient Of Performance (COP) of a refrigerator) can never approach Carnot efficiency (COP). © 2005 Elsevier B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physletaen_US
dc.relation.ispartofPhysics Letters, Section A: General, Atomic and Solid State Physicsen_US
dc.rightsPhysics Letters Section A: General, Atomic and Solid State Physics. Copyright © Elsevier BV.-
dc.subjectEfficiencyen_US
dc.subjectHeat Flowen_US
dc.subjectThermal Motoren_US
dc.titleBrownian micro-engines and refrigerators in a spatially periodic temperature field: heat flow and performancesen_US
dc.typeArticleen_US
dc.identifier.emailWang, L: lqwang@hkucc.hku.hken_US
dc.identifier.authorityWang, L=rp00184en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.physleta.2005.12.010en_US
dc.identifier.scopuseid_2-s2.0-33644973660en_US
dc.identifier.hkuros123385-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33644973660&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume352en_US
dc.identifier.issue4-5en_US
dc.identifier.spage286en_US
dc.identifier.epage290en_US
dc.identifier.isiWOS:000236421900006-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridAi, BQ=7005327111en_US
dc.identifier.scopusauthoridWang, L=35235288500en_US
dc.identifier.scopusauthoridLiu, LG=26642864200en_US

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