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On the emergence of large and complex memory effects in nonequilibrium fluids

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dc.affiliation.institutoUC3M. Instituto Universitario sobre Modelización y Simulación en Fluidodinámica, Nanociencia y Matemática Industrial Gregorio Millán Barbanyes
dc.contributor.authorLasanta Becerra, Antonio
dc.contributor.authorVega Reyes, Francisco
dc.contributor.authorPrados, A.
dc.contributor.authorSantos, A.
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.contributor.funderAgencia Estatal de Investigación (España)es
dc.date.accessioned2023-08-24T08:38:38Z
dc.date.available2023-08-24T08:38:38Z
dc.date.issued2019-03-01
dc.description.abstractControl of cooling and heating processes is essential in many industrial and biological processes. In fact, the time evolution of an observable quantitymay differ according to the previous history of the system. For example, a systemthat is being subject to cooling and then, at a given time t(w) for which the instantaneous temperature is T (t(w)) = T-st, is suddenly put in contactwith a temperature source at T-st may continue cooling down temporarily or, on the contrary, undergo a temperature rebound. According to current knowledge, there can be only one 'spurious' and small peak/low. However, our results prove that, under certain conditions, more than one extremum may appear. Specifically, we have observed regionswith two extrema and a critical point with three extrema. We have also detected cases where extraordinarily large extrema are observed, as large as the order of magnitude of the stationary value of the variable of interest. We showthis by studying the thermal evolution of a low density set ofmacroscopic particles that do not preserve kinetic energy upon collision, i.e. a granular gas. We describe themechanismthat signals in this system the emergence of these complex and large memory effects, and explain why similar observations can be expected in a variety of systems.en
dc.description.sponsorshiphis work has been supported by the Spanish Agencia Estatal de Investigación Grants (partially financed by the ERDF) No. MTM2017-84446-C2-2-R, MTM2014-56948-C2-2-P (AL), and No. FIS2016-76359-P (FVR and AS), and also by Universidad de Sevilla's VI Plan Propio de Investigación Grant PP2018/494 (AP). Use of computing facilities from Extremadura Research Centre for Advanced Technologies (CETA-CIEMAT), funded by the ERDF is also acknowledged.en
dc.identifier.bibliographicCitationLasanta, A., Reyes, F. V., Prados, A., & Santos, A. (2019). On the emergence of large and complex memory effects in nonequilibrium fluids. New Journal of Physics, 21 (3), p. 033042.es
dc.identifier.doihttps://doi.org/10.1088/1367-2630/ab0a7b
dc.identifier.issn1367-2630
dc.identifier.publicationtitleNEW JOURNAL OF PHYSICSes
dc.identifier.publicationvolume21es
dc.identifier.urihttps://hdl.handle.net/10016/38084
dc.identifier.uxxiAR/0000023456
dc.language.isoenges
dc.publisherIOPes
dc.relation.projectIDGobierno de España. MTM2014-56948-C2-2-Pes
dc.relation.projectIDGobierno de España. MTM2017-84446-C2-2-Res
dc.relation.projectIDGobierno de España. FIS2016-76359-Pes
dc.rights©2019 The Author(s).en
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accesses
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaMaterialeses
dc.subject.otherComplex fluidsen
dc.subject.otherMemory effectsen
dc.subject.otherGranular matteren
dc.subject.otherThermal behavioren
dc.subject.otherGranular mediaen
dc.titleOn the emergence of large and complex memory effects in nonequilibrium fluidsen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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