The structure of turbulence in a rapid tidal flow
The structure of turbulence in a rapid tidal flow is characterized through new observations of fundamental statistical properties at a site in the UK which has a simple geometry and sedate surface wave action. The mean flow at the Sound of Islay exceeded 2.5 m s−1 and the turbulent boundary layer oc...
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| Veröffentlicht in: | Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences Mathematical, physical, and engineering sciences, 2017-08, Vol.473 (2204), p.20170295-20170295 |
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| container_end_page | 20170295 |
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| container_issue | 2204 |
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| container_title | Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences |
| container_volume | 473 |
| creator | Milne, I. A. Sharma, R. N. Flay, R. G. J. |
| description | The structure of turbulence in a rapid tidal flow is characterized through new observations of fundamental statistical properties at a site in the UK which has a simple geometry and sedate surface wave action. The mean flow at the Sound of Islay exceeded 2.5 m s−1 and the turbulent boundary layer occupied the majority of the water column, with an approximately logarithmic mean velocity profile identifiable close to the seabed. The anisotropic ratios, spectral scales and higher-order statistics of the turbulence generally agree well with values reported for two-dimensional open channels in the laboratory and other tidal channels, therefore providing further support for the application of universal models. The results of the study can assist in developing numerical models of turbulence in rapid tidal flows such as those proposed for tidal energy generation. |
| doi_str_mv | 10.1098/rspa.2017.0295 |
| format | Article |
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A.</creatorcontrib><creatorcontrib>Sharma, R. N.</creatorcontrib><creatorcontrib>Flay, R. G. J.</creatorcontrib><title>The structure of turbulence in a rapid tidal flow</title><title>Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences</title><addtitle>Proc. R. Soc. A</addtitle><addtitle>Proc Math Phys Eng Sci</addtitle><description>The structure of turbulence in a rapid tidal flow is characterized through new observations of fundamental statistical properties at a site in the UK which has a simple geometry and sedate surface wave action. The mean flow at the Sound of Islay exceeded 2.5 m s−1 and the turbulent boundary layer occupied the majority of the water column, with an approximately logarithmic mean velocity profile identifiable close to the seabed. The anisotropic ratios, spectral scales and higher-order statistics of the turbulence generally agree well with values reported for two-dimensional open channels in the laboratory and other tidal channels, therefore providing further support for the application of universal models. The results of the study can assist in developing numerical models of turbulence in rapid tidal flows such as those proposed for tidal energy generation.</description><subject>Boundary layer</subject><subject>Boundary Layer Flow</subject><subject>Columns (structural)</subject><subject>Computational fluid dynamics</subject><subject>Mathematical models</subject><subject>Open channels</subject><subject>Tidal Energy</subject><subject>Tidal flow</subject><subject>Tidal power</subject><subject>Turbulence</subject><subject>Turbulent boundary layer</subject><subject>Turbulent flow</subject><subject>Velocity distribution</subject><issn>1364-5021</issn><issn>1471-2946</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kc1PFTEUxRsi4Uu3LM0kbtzMo7393pgQImhCgsG3b0qnA8V507GdwTz_ejo-RNDI6ja5v55z7z0IHRK8IFiro5QHuwBM5AKD5ltojzBJatBMvCpvKljNMZBdtJ_zLcZYcyV30C4oJRUXdA-R5Y2v8pgmN07JV7GtSr2aOt87X4W-slWyQ2iqMTS2q9ou_niNtlvbZf_moR6g5enH5cmn-vzi7PPJ8XntuICxViAos5SDFcRhrTVmyjkGysqGAnYaJFG89cICSOEIVVRTztvGes88owfow0Z2mK5WvnG-H5PtzJDCyqa1iTaY550-3JjreGc4V0DULPD-QSDF75PPo1mF7HzX2d7HKRuiqRDAgMuCvvsLvY1T6st2hSpSUkhQhVpsKJdizsm3j8MQbOYwzByGmcMwcxjlw9unKzziv69fgG8bIMV1MYsu-HH9x_vy65fjOyZpAMDMYEUJ5iAAzM8wbLxK04ScJ29-Ic_9_x2HvuT2nyXuAaDWuEI</recordid><startdate>20170801</startdate><enddate>20170801</enddate><creator>Milne, I. 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A</stitle><addtitle>Proc Math Phys Eng Sci</addtitle><date>2017-08-01</date><risdate>2017</risdate><volume>473</volume><issue>2204</issue><spage>20170295</spage><epage>20170295</epage><pages>20170295-20170295</pages><issn>1364-5021</issn><eissn>1471-2946</eissn><abstract>The structure of turbulence in a rapid tidal flow is characterized through new observations of fundamental statistical properties at a site in the UK which has a simple geometry and sedate surface wave action. The mean flow at the Sound of Islay exceeded 2.5 m s−1 and the turbulent boundary layer occupied the majority of the water column, with an approximately logarithmic mean velocity profile identifiable close to the seabed. The anisotropic ratios, spectral scales and higher-order statistics of the turbulence generally agree well with values reported for two-dimensional open channels in the laboratory and other tidal channels, therefore providing further support for the application of universal models. 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| ispartof | Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences, 2017-08, Vol.473 (2204), p.20170295-20170295 |
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| language | eng |
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| source | Jstor Complete Legacy; Alma/SFX Local Collection; JSTOR Mathematics & Business |
| subjects | Boundary layer Boundary Layer Flow Columns (structural) Computational fluid dynamics Mathematical models Open channels Tidal Energy Tidal flow Tidal power Turbulence Turbulent boundary layer Turbulent flow Velocity distribution |
| title | The structure of turbulence in a rapid tidal flow |
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