Turbulence measurements using a nanoscale thermal anemometry probe
A nanoscale thermal anemometry probe (NSTAP) has been developed to measure velocity fluctuations at ultra-small scales. The sensing element is a free-standing platinum nanoscale wire, 100 nm × 2 μm × 60 μm, suspended between two current-carrying contacts and the sensor is an order of magnitude small...
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| Veröffentlicht in: | Journal of fluid mechanics 2010-11, Vol.663, p.160-179 |
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| creator | BAILEY, SEAN C. C. KUNKEL, GARY J. HULTMARK, MARCUS VALLIKIVI, MARGIT HILL, JEFFREY P. MEYER, KARL A. TSAY, CANDICE ARNOLD, CRAIG B. SMITS, ALEXANDER J. |
| description | A nanoscale thermal anemometry probe (NSTAP) has been developed to measure velocity fluctuations at ultra-small scales. The sensing element is a free-standing platinum nanoscale wire, 100 nm × 2 μm × 60 μm, suspended between two current-carrying contacts and the sensor is an order of magnitude smaller than presently available commercial hot wires. The probe is constructed using standard semiconductor and MEMS manufacturing methods, which enables many probes to be manufactured simultaneously. Measurements were performed in grid-generated turbulence and compared to conventional hot-wire probes with a range of sensor lengths. The results demonstrate that the NSTAP behaves similarly to conventional hot-wire probes but with better spatial resolution and faster temporal response. The results are used to investigate spatial filtering effects, including the impact of spatial filtering on the probability density of velocity and velocity increment statistics. |
| doi_str_mv | 10.1017/S0022112010003447 |
| format | Article |
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C. ; KUNKEL, GARY J. ; HULTMARK, MARCUS ; VALLIKIVI, MARGIT ; HILL, JEFFREY P. ; MEYER, KARL A. ; TSAY, CANDICE ; ARNOLD, CRAIG B. ; SMITS, ALEXANDER J.</creator><creatorcontrib>BAILEY, SEAN C. C. ; KUNKEL, GARY J. ; HULTMARK, MARCUS ; VALLIKIVI, MARGIT ; HILL, JEFFREY P. ; MEYER, KARL A. ; TSAY, CANDICE ; ARNOLD, CRAIG B. ; SMITS, ALEXANDER J.</creatorcontrib><description>A nanoscale thermal anemometry probe (NSTAP) has been developed to measure velocity fluctuations at ultra-small scales. The sensing element is a free-standing platinum nanoscale wire, 100 nm × 2 μm × 60 μm, suspended between two current-carrying contacts and the sensor is an order of magnitude smaller than presently available commercial hot wires. The probe is constructed using standard semiconductor and MEMS manufacturing methods, which enables many probes to be manufactured simultaneously. Measurements were performed in grid-generated turbulence and compared to conventional hot-wire probes with a range of sensor lengths. The results demonstrate that the NSTAP behaves similarly to conventional hot-wire probes but with better spatial resolution and faster temporal response. The results are used to investigate spatial filtering effects, including the impact of spatial filtering on the probability density of velocity and velocity increment statistics.</description><identifier>ISSN: 0022-1120</identifier><identifier>EISSN: 1469-7645</identifier><identifier>DOI: 10.1017/S0022112010003447</identifier><identifier>CODEN: JFLSA7</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Anemometry ; Applied sciences ; Electronics ; Exact sciences and technology ; Fluid dynamics ; Fluid flow ; Fundamental areas of phenomenology (including applications) ; Instrumentation for fluid dynamics ; Isotropic turbulence; homogeneous turbulence ; Measurement techniques ; MEMS/NEMS ; Micro- and nanoelectromechanical devices (mems/nems) ; Nanocomposites ; Nanomaterials ; Nanostructure ; Physics ; Probes ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; Semiconductors ; Spatial filtering ; Thermal energy ; Turbulence ; Turbulent flow ; turbulent flows ; Turbulent flows, convection, and heat transfer</subject><ispartof>Journal of fluid mechanics, 2010-11, Vol.663, p.160-179</ispartof><rights>Copyright © Cambridge University Press 2010</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c563t-5be66ea877c9fa524db609274dade5f6cfc47323ca962bc6a94c4c54c1489d953</citedby><cites>FETCH-LOGICAL-c563t-5be66ea877c9fa524db609274dade5f6cfc47323ca962bc6a94c4c54c1489d953</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S0022112010003447/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,776,780,27901,27902,55603</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23442631$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>BAILEY, SEAN C. C.</creatorcontrib><creatorcontrib>KUNKEL, GARY J.</creatorcontrib><creatorcontrib>HULTMARK, MARCUS</creatorcontrib><creatorcontrib>VALLIKIVI, MARGIT</creatorcontrib><creatorcontrib>HILL, JEFFREY P.</creatorcontrib><creatorcontrib>MEYER, KARL A.</creatorcontrib><creatorcontrib>TSAY, CANDICE</creatorcontrib><creatorcontrib>ARNOLD, CRAIG B.</creatorcontrib><creatorcontrib>SMITS, ALEXANDER J.</creatorcontrib><title>Turbulence measurements using a nanoscale thermal anemometry probe</title><title>Journal of fluid mechanics</title><addtitle>J. Fluid Mech</addtitle><description>A nanoscale thermal anemometry probe (NSTAP) has been developed to measure velocity fluctuations at ultra-small scales. The sensing element is a free-standing platinum nanoscale wire, 100 nm × 2 μm × 60 μm, suspended between two current-carrying contacts and the sensor is an order of magnitude smaller than presently available commercial hot wires. The probe is constructed using standard semiconductor and MEMS manufacturing methods, which enables many probes to be manufactured simultaneously. Measurements were performed in grid-generated turbulence and compared to conventional hot-wire probes with a range of sensor lengths. The results demonstrate that the NSTAP behaves similarly to conventional hot-wire probes but with better spatial resolution and faster temporal response. The results are used to investigate spatial filtering effects, including the impact of spatial filtering on the probability density of velocity and velocity increment statistics.</description><subject>Anemometry</subject><subject>Applied sciences</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Instrumentation for fluid dynamics</subject><subject>Isotropic turbulence; homogeneous turbulence</subject><subject>Measurement techniques</subject><subject>MEMS/NEMS</subject><subject>Micro- and nanoelectromechanical devices (mems/nems)</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Physics</subject><subject>Probes</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Semiconductors</subject><subject>Spatial filtering</subject><subject>Thermal energy</subject><subject>Turbulence</subject><subject>Turbulent flow</subject><subject>turbulent flows</subject><subject>Turbulent flows, convection, and heat transfer</subject><issn>0022-1120</issn><issn>1469-7645</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kEtLHUEQhZsQITfGH-BuEILZjOl3Ty-jSVRQRLyiu6amp0bHzMN0z0Duv7eHezGg6KoW56tTpw4hu4weMMrM9ytKOWeMU0YpFVKaD2TBpLa50VJ9JItZzmf9E_kc4wOlTFBrFuRwOYVyarH3mHUIcQrYYT_GbIpNf5dB1kM_RA8tZuM9hg7aDHrshg7HsMoew1DiF7JVQxtxZzO3yfXvX8ujk_zs4vj06MdZ7pUWY65K1BqhMMbbGhSXVamp5UZWUKGqta-9NIILD1bz0muw0kuvpGeysJVVYpvsr33T1b8TxtF1TfTYtinQMEVXSCsLxhVN5Ld3SaYl5wVTtEjo3gv0YZhCn_5wRnNhZMFZgtga8mGIMWDtHkPTQVg5Rt1cv3tVf9r5ujGGub46QO-b-LzIE8S1mL3zNdfEEf896xD-OG2EUU4fX7rb8xtqf55od5N4sckCXRma6g7_J347zROKQ6Gg</recordid><startdate>20101125</startdate><enddate>20101125</enddate><creator>BAILEY, SEAN C. 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C. ; KUNKEL, GARY J. ; HULTMARK, MARCUS ; VALLIKIVI, MARGIT ; HILL, JEFFREY P. ; MEYER, KARL A. ; TSAY, CANDICE ; ARNOLD, CRAIG B. ; SMITS, ALEXANDER J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c563t-5be66ea877c9fa524db609274dade5f6cfc47323ca962bc6a94c4c54c1489d953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Anemometry</topic><topic>Applied sciences</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Instrumentation for fluid dynamics</topic><topic>Isotropic turbulence; homogeneous turbulence</topic><topic>Measurement techniques</topic><topic>MEMS/NEMS</topic><topic>Micro- and nanoelectromechanical devices (mems/nems)</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Physics</topic><topic>Probes</topic><topic>Semiconductor electronics. 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C.</au><au>KUNKEL, GARY J.</au><au>HULTMARK, MARCUS</au><au>VALLIKIVI, MARGIT</au><au>HILL, JEFFREY P.</au><au>MEYER, KARL A.</au><au>TSAY, CANDICE</au><au>ARNOLD, CRAIG B.</au><au>SMITS, ALEXANDER J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Turbulence measurements using a nanoscale thermal anemometry probe</atitle><jtitle>Journal of fluid mechanics</jtitle><addtitle>J. Fluid Mech</addtitle><date>2010-11-25</date><risdate>2010</risdate><volume>663</volume><spage>160</spage><epage>179</epage><pages>160-179</pages><issn>0022-1120</issn><eissn>1469-7645</eissn><coden>JFLSA7</coden><abstract>A nanoscale thermal anemometry probe (NSTAP) has been developed to measure velocity fluctuations at ultra-small scales. The sensing element is a free-standing platinum nanoscale wire, 100 nm × 2 μm × 60 μm, suspended between two current-carrying contacts and the sensor is an order of magnitude smaller than presently available commercial hot wires. The probe is constructed using standard semiconductor and MEMS manufacturing methods, which enables many probes to be manufactured simultaneously. Measurements were performed in grid-generated turbulence and compared to conventional hot-wire probes with a range of sensor lengths. The results demonstrate that the NSTAP behaves similarly to conventional hot-wire probes but with better spatial resolution and faster temporal response. The results are used to investigate spatial filtering effects, including the impact of spatial filtering on the probability density of velocity and velocity increment statistics.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S0022112010003447</doi><tpages>20</tpages></addata></record> |
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| subjects | Anemometry Applied sciences Electronics Exact sciences and technology Fluid dynamics Fluid flow Fundamental areas of phenomenology (including applications) Instrumentation for fluid dynamics Isotropic turbulence homogeneous turbulence Measurement techniques MEMS/NEMS Micro- and nanoelectromechanical devices (mems/nems) Nanocomposites Nanomaterials Nanostructure Physics Probes Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Semiconductors Spatial filtering Thermal energy Turbulence Turbulent flow turbulent flows Turbulent flows, convection, and heat transfer |
| title | Turbulence measurements using a nanoscale thermal anemometry probe |
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