Microchannel Pressure Measurements Using Molecular Sensors
Fluid mechanics on the microscale is an important subject for researchers who are interested in studying microdevices since physical phenomena change from macroscale to microscale. Channel flow is a fundamental topic for fluid mechanics. By using a molecular sensor known as pressure-sensitive paint...
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| Veröffentlicht in: | Journal of microelectromechanical systems 2007-08, Vol.16 (4), p.777-785 |
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| container_title | Journal of microelectromechanical systems |
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| creator | Chihyung Huang Gregory, J.W. Sullivan, J.P. |
| description | Fluid mechanics on the microscale is an important subject for researchers who are interested in studying microdevices since physical phenomena change from macroscale to microscale. Channel flow is a fundamental topic for fluid mechanics. By using a molecular sensor known as pressure-sensitive paint (PSP), detailed pressure data can be obtained inside the microchannel and at the channel entrance. The achievable spatial resolution of the acquired pressure map can be as high as 5 mum. PSP measurements are obtained for various pressure ratios from 1.76 to 20, with Knudsen number (K n) varying from 0.003 to 0.4. Compressibility and rarefaction effects can be seen in the pressure data inside the microchannel and at the channel entrance. |
| doi_str_mv | 10.1109/JMEMS.2007.892914 |
| format | Article |
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Channel flow is a fundamental topic for fluid mechanics. By using a molecular sensor known as pressure-sensitive paint (PSP), detailed pressure data can be obtained inside the microchannel and at the channel entrance. The achievable spatial resolution of the acquired pressure map can be as high as 5 mum. PSP measurements are obtained for various pressure ratios from 1.76 to 20, with Knudsen number (K n) varying from 0.003 to 0.4. 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Channel flow is a fundamental topic for fluid mechanics. By using a molecular sensor known as pressure-sensitive paint (PSP), detailed pressure data can be obtained inside the microchannel and at the channel entrance. The achievable spatial resolution of the acquired pressure map can be as high as 5 mum. PSP measurements are obtained for various pressure ratios from 1.76 to 20, with Knudsen number (K n) varying from 0.003 to 0.4. 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Machine design</subject><subject>Microchannel</subject><subject>Microchannels</subject><subject>Microelectromechanical devices</subject><subject>Micromechanical devices</subject><subject>microsensors</subject><subject>Paints</subject><subject>Physics</subject><subject>Precision engineering, watch making</subject><subject>Pressure measurement</subject><subject>pressure-sensitive paint (PSP)</subject><subject>Sensor phenomena and characterization</subject><subject>Sensors</subject><issn>1057-7157</issn><issn>1941-0158</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0U1P3DAQBuCoKhJb4AegXqJKBS5ZPP6IPb0hxKeIQALO0ax30maVTai9OfDv8bKolTjAyZb8zGg8b5btg5gCCDy-rs6q-6kUwk4dSgT9JZsAaigEGPc13YWxhQVjt7NvMS6EAK1dOcl-Va0Pg_9Dfc9dfhc4xjFwXjGtzyX3q5g_xrb_nVdDx37sKOT33MchxN1sq6Eu8t7buZM9np89nF4WN7cXV6cnN4XX6FaFF3OtyTBqrZWBmSIugZwRRAymVDMHKo3tCJ0inBsDUrrGA9kGkmC1kx1u-j6F4e_IcVUv2-i566jnYYw1ClVKLEv8VDospbRWiiQPPpRqPSy-wqMPIQgpUQDYMtEf7-hiGEOfVlNj-pPSAmVCsEFp6zEGbuqn0C4pPKdO9TrJ-jXJep1kvUky1fx8a0zRU9cE6n0b_xc6tBKNS-77xrXM_O9ZS5e27NQLUZykTg</recordid><startdate>20070801</startdate><enddate>20070801</enddate><creator>Chihyung Huang</creator><creator>Gregory, J.W.</creator><creator>Sullivan, J.P.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Machine design</topic><topic>Microchannel</topic><topic>Microchannels</topic><topic>Microelectromechanical devices</topic><topic>Micromechanical devices</topic><topic>microsensors</topic><topic>Paints</topic><topic>Physics</topic><topic>Precision engineering, watch making</topic><topic>Pressure measurement</topic><topic>pressure-sensitive paint (PSP)</topic><topic>Sensor phenomena and characterization</topic><topic>Sensors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chihyung Huang</creatorcontrib><creatorcontrib>Gregory, J.W.</creatorcontrib><creatorcontrib>Sullivan, J.P.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>Journal of microelectromechanical systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Chihyung Huang</au><au>Gregory, J.W.</au><au>Sullivan, J.P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microchannel Pressure Measurements Using Molecular Sensors</atitle><jtitle>Journal of microelectromechanical systems</jtitle><stitle>JMEMS</stitle><date>2007-08-01</date><risdate>2007</risdate><volume>16</volume><issue>4</issue><spage>777</spage><epage>785</epage><pages>777-785</pages><issn>1057-7157</issn><eissn>1941-0158</eissn><coden>JMIYET</coden><abstract>Fluid mechanics on the microscale is an important subject for researchers who are interested in studying microdevices since physical phenomena change from macroscale to microscale. 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| source | IEEE Electronic Library (IEL) |
| subjects | Aerospace engineering Applied fluid mechanics Applied sciences Channels Compressibility Costs Entrances Exact sciences and technology Extraterrestrial measurements Fluid dynamics Fluid flow Fluid flow measurement Fluid mechanics Fluidics Fundamental areas of phenomenology (including applications) General theory Instrumentation for fluid dynamics Mechanical engineering. Machine design Microchannel Microchannels Microelectromechanical devices Micromechanical devices microsensors Paints Physics Precision engineering, watch making Pressure measurement pressure-sensitive paint (PSP) Sensor phenomena and characterization Sensors |
| title | Microchannel Pressure Measurements Using Molecular Sensors |
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