A quantitative experiment on the fountain effect in superfluid helium
cnea.localizacion | Centro Atómico Bariloche | |
cnea.tipodocumento | ARTÍCULO CIENTÍFICO | |
dc.contributor.author | Amigó, M.L. | |
dc.contributor.author | Herrera, T. | |
dc.contributor.author | Neñer, L. | |
dc.contributor.author | Peralta Gavensky, L. | |
dc.contributor.author | Turco, F. | |
dc.contributor.author | Luzuriaga, J. | |
dc.contributor.cneaproductor | Gerencia Física. Departamento Materia Condensada. División Bajas Temperaturas | |
dc.date.accessioned | 2024-05-07T13:36:12Z | |
dc.date.available | 2024-05-07T13:36:12Z | |
dc.date.issued | 2017-08-17 | |
dc.description.abstract | Superfluid helium, a state of matter existing at low temperatures, shows many remarkable properties. One example is the so called fountain effect, where a heater can produce a jet of helium. This converts heat into mechanical motion; a machine with no moving parts, but working only below 2 K. Allen and Jones first demonstrated the effect in 1938, but their work was basically qualitative. We now present data of a quantitative version of the experiment. We have measured the heat supplied, the temperature and the height of the jet produced. We also develop equations, based on the two-fluid model of superfluid helium, that give a satisfactory fit to the data. The experiment has been performed by advanced undergraduate students in our home institution, and illustrates in a vivid way some of the striking properties of the superfluid state. | |
dc.description.institutionalaffiliation | Fil.: Amigó, M.L. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina; Universidad Nacional de Cuyo; Argentina | |
dc.description.institutionalaffiliation | Fil.: Herrera, T. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina; Universidad Nacional de Cuyo; Argentina | |
dc.description.institutionalaffiliation | Fil.: Neñer, L. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina; Universidad Nacional de Cuyo; Argentina | |
dc.description.institutionalaffiliation | Fil.: Peralta Gavensky, L. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina; Universidad Nacional de Cuyo; Argentina | |
dc.description.institutionalaffiliation | Fil.: Turco, F. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina; Universidad Nacional de Cuyo; Argentina | |
dc.description.institutionalaffiliation | Fil.: Luzuriaga, J. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina; Universidad Nacional de Cuyo; Argentina | |
dc.description.recordsetsection | Producción científica | |
dc.description.recordsetseries | Contribución a revistas científicas | |
dc.format.extent | 10 p. | |
dc.identifier.citation | M L Amigó et al 2017 Eur. J. Phys. 38 055103 | |
dc.identifier.doi | http://dx.doi.org/10.1088/1361-6404/aa818c | |
dc.identifier.issn | 1361-6404 | |
dc.identifier.uri | https://nuclea.cnea.gob.ar/handle/20.500.12553/5242 | |
dc.language.ISO639-3 | eng | |
dc.publisher | IOP Publishing | |
dc.relation.ispartof | v. 38, n. 5 | |
dc.relation.ispartofseries | European Journal of Physics | |
dc.rights.accesslevel | info:eu-repo/semantics/openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-sa/4.0/ | |
dc.subject.ford | CIENCIAS NATURALES | |
dc.subject.ford | CIENCIAS FÍSICAS | |
dc.subject.inis | SUPERFLUIDEZ | |
dc.subject.inis | HELIO | |
dc.subject.keyword | Superfluid helium 4 | |
dc.subject.keyword | Undergraduate experiment | |
dc.subject.keyword | Fountain effect | |
dc.subject.keyword | thermodynamics | |
dc.title | A quantitative experiment on the fountain effect in superfluid helium | |
dc.type | ARTÍCULO | |
dc.type.openaire | info:eu-repo/semantics/article | |
dc.type.snrd | info:ar-repo/semantics/artículo | |
dc.type.version | info:eu-repo/semantics/publishedVersion |
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