Critical Velocities in 3 He– 4 He Mixtures
Mutual friction between 3 He and 4 He II plays an important role in the hydrodynamics of 3 He– 4 He mixtures. A close analogy exists with mutual friction between the normal and the superfluid components in pure 4 He II. In pure 4 He II, the flow properties are characterised by the appearance of crit...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 1987-01, Vol.26 (S3-1), p.63 |
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| container_issue | S3-1 |
| container_start_page | 63 |
| container_title | Japanese Journal of Applied Physics |
| container_volume | 26 |
| creator | Zeegers, J. Kuerten, J. G. M. Waele, A. T. A. M. de Gijsman, H. M. |
| description | Mutual friction between
3
He and
4
He II plays an important role in the hydrodynamics of
3
He–
4
He mixtures. A close analogy exists with mutual friction between the normal and the superfluid components in pure
4
He II. In pure
4
He II, the flow properties are characterised by the appearance of critical velocities below which no mutual friction occurs. In this paper we report on the first observation of non-zero critical velocities in
3
He–
4
He mixtures in flow channels consisting of bundles of (about 100) parallel tubes. At the critical velocity the temperature rise at the exit of the channel was on the order of a few millikelvin. Both continuous and hysteretic transitions were observed. The experimental results show that the product of the critical velocities and the diameter is in good approximation constant. |
| doi_str_mv | 10.7567/JJAPS.26S3.63 |
| format | Article |
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3
He and
4
He II plays an important role in the hydrodynamics of
3
He–
4
He mixtures. A close analogy exists with mutual friction between the normal and the superfluid components in pure
4
He II. In pure
4
He II, the flow properties are characterised by the appearance of critical velocities below which no mutual friction occurs. In this paper we report on the first observation of non-zero critical velocities in
3
He–
4
He mixtures in flow channels consisting of bundles of (about 100) parallel tubes. At the critical velocity the temperature rise at the exit of the channel was on the order of a few millikelvin. Both continuous and hysteretic transitions were observed. The experimental results show that the product of the critical velocities and the diameter is in good approximation constant.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.7567/JJAPS.26S3.63</identifier><language>eng</language><ispartof>Japanese Journal of Applied Physics, 1987-01, Vol.26 (S3-1), p.63</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c823-37df6a6d10421e848bd9de250b7d2e6e2f56246d090e8c536782887eb3d76f193</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Zeegers, J.</creatorcontrib><creatorcontrib>Kuerten, J. G. M.</creatorcontrib><creatorcontrib>Waele, A. T. A. M. de</creatorcontrib><creatorcontrib>Gijsman, H. M.</creatorcontrib><title>Critical Velocities in 3 He– 4 He Mixtures</title><title>Japanese Journal of Applied Physics</title><description>Mutual friction between
3
He and
4
He II plays an important role in the hydrodynamics of
3
He–
4
He mixtures. A close analogy exists with mutual friction between the normal and the superfluid components in pure
4
He II. In pure
4
He II, the flow properties are characterised by the appearance of critical velocities below which no mutual friction occurs. In this paper we report on the first observation of non-zero critical velocities in
3
He–
4
He mixtures in flow channels consisting of bundles of (about 100) parallel tubes. At the critical velocity the temperature rise at the exit of the channel was on the order of a few millikelvin. Both continuous and hysteretic transitions were observed. The experimental results show that the product of the critical velocities and the diameter is in good approximation constant.</description><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNotj8FKxDAURYMoWEeX7vMBpiZ5yUu6HIo6DiMKM7gNbfMKlepIMoLu_Af_0C-xo67OvZsDh7FzJUtn0V0ul_OHdalxDSXCASsUGCeMRHvICim1EqbS-pid5Pw0XbRGFeyiTsNu6JqRP9K47aZNmQ8vHPiCvj-_uJnI74b33VuifMqO-mbMdPbPGdtcX23qhVjd39zW85XovAYBLvbYYFTSaEXe-DZWkbSVrYuakHRvURuMspLkOwvovPbeUQvRYa8qmDHxp-3SNudEfXhNw3OTPoKSYV8afkvDvjQgwA_rVUT9</recordid><startdate>19870101</startdate><enddate>19870101</enddate><creator>Zeegers, J.</creator><creator>Kuerten, J. G. M.</creator><creator>Waele, A. T. A. M. de</creator><creator>Gijsman, H. M.</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19870101</creationdate><title>Critical Velocities in 3 He– 4 He Mixtures</title><author>Zeegers, J. ; Kuerten, J. G. M. ; Waele, A. T. A. M. de ; Gijsman, H. M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c823-37df6a6d10421e848bd9de250b7d2e6e2f56246d090e8c536782887eb3d76f193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zeegers, J.</creatorcontrib><creatorcontrib>Kuerten, J. G. M.</creatorcontrib><creatorcontrib>Waele, A. T. A. M. de</creatorcontrib><creatorcontrib>Gijsman, H. M.</creatorcontrib><collection>CrossRef</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zeegers, J.</au><au>Kuerten, J. G. M.</au><au>Waele, A. T. A. M. de</au><au>Gijsman, H. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Critical Velocities in 3 He– 4 He Mixtures</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><date>1987-01-01</date><risdate>1987</risdate><volume>26</volume><issue>S3-1</issue><spage>63</spage><pages>63-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><abstract>Mutual friction between
3
He and
4
He II plays an important role in the hydrodynamics of
3
He–
4
He mixtures. A close analogy exists with mutual friction between the normal and the superfluid components in pure
4
He II. In pure
4
He II, the flow properties are characterised by the appearance of critical velocities below which no mutual friction occurs. In this paper we report on the first observation of non-zero critical velocities in
3
He–
4
He mixtures in flow channels consisting of bundles of (about 100) parallel tubes. At the critical velocity the temperature rise at the exit of the channel was on the order of a few millikelvin. Both continuous and hysteretic transitions were observed. The experimental results show that the product of the critical velocities and the diameter is in good approximation constant.</abstract><doi>10.7567/JJAPS.26S3.63</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-4922 |
| ispartof | Japanese Journal of Applied Physics, 1987-01, Vol.26 (S3-1), p.63 |
| issn | 0021-4922 1347-4065 |
| language | eng |
| recordid | cdi_crossref_primary_10_7567_JJAPS_26S3_63 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| title | Critical Velocities in 3 He– 4 He Mixtures |
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