Flow characterization of valveless micropump using driving equivalent moment: theory and experiments
A valveless micropump, actuated by a PZT disk bonded to a glass plate, can generate positive flow. In order to estimate flow characteristics of micropumps, it is necessary to theoretically analyze the radial expansion (more specifically, the equivalent moment) of the PZT disk according to the voltag...
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| Veröffentlicht in: | Microfluidics and nanofluidics 2008-12, Vol.5 (6), p.795-807 |
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| container_title | Microfluidics and nanofluidics |
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| creator | Hwang, Il-Han Lee, Sung-Kil Shin, Sang-Mo Lee, Yong-Gu Lee, Jong-Hyun |
| description | A valveless micropump, actuated by a PZT disk bonded to a glass plate, can generate positive flow. In order to estimate flow characteristics of micropumps, it is necessary to theoretically analyze the radial expansion (more specifically, the equivalent moment) of the PZT disk according to the voltage input. Using the equivalent moment, deflection equations are derived for the tri-layer disk (PZT, epoxy bonder and glass plate) and are confirmed to match well with experiments. The flow rate of the valveless micropump is also theoretically and experimentally investigated in terms of input voltage and oscillation frequency. The flow increased at a rate of 0.1 μL/min/V, and the maximum flow rate was obtained at the driving frequency of around 225 Hz. |
| doi_str_mv | 10.1007/s10404-008-0275-7 |
| format | Article |
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In order to estimate flow characteristics of micropumps, it is necessary to theoretically analyze the radial expansion (more specifically, the equivalent moment) of the PZT disk according to the voltage input. Using the equivalent moment, deflection equations are derived for the tri-layer disk (PZT, epoxy bonder and glass plate) and are confirmed to match well with experiments. The flow rate of the valveless micropump is also theoretically and experimentally investigated in terms of input voltage and oscillation frequency. The flow increased at a rate of 0.1 μL/min/V, and the maximum flow rate was obtained at the driving frequency of around 225 Hz.</description><identifier>ISSN: 1613-4982</identifier><identifier>EISSN: 1613-4990</identifier><identifier>DOI: 10.1007/s10404-008-0275-7</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Analytical Chemistry ; Applied fluid mechanics ; Applied sciences ; Biomedical Engineering and Bioengineering ; Electronics ; Engineering ; Engineering Fluid Dynamics ; Exact sciences and technology ; Flow characteristics ; Flow rates ; Fluid dynamics ; Fluidics ; Fundamental areas of phenomenology (including applications) ; Maximum flow ; Micro- and nanoelectromechanical devices (mems/nems) ; Nanotechnology and Microengineering ; Physics ; Research Paper ; Semiconductor electronics. Microelectronics. Optoelectronics. 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Solid state devices</topic><topic>Theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hwang, Il-Han</creatorcontrib><creatorcontrib>Lee, Sung-Kil</creatorcontrib><creatorcontrib>Shin, Sang-Mo</creatorcontrib><creatorcontrib>Lee, Yong-Gu</creatorcontrib><creatorcontrib>Lee, Jong-Hyun</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Engineering Database</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>DELNET Engineering & Technology Collection</collection><jtitle>Microfluidics and nanofluidics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hwang, Il-Han</au><au>Lee, Sung-Kil</au><au>Shin, Sang-Mo</au><au>Lee, Yong-Gu</au><au>Lee, Jong-Hyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flow characterization of valveless micropump using driving equivalent moment: theory and experiments</atitle><jtitle>Microfluidics and nanofluidics</jtitle><stitle>Microfluid Nanofluid</stitle><date>2008-12-01</date><risdate>2008</risdate><volume>5</volume><issue>6</issue><spage>795</spage><epage>807</epage><pages>795-807</pages><issn>1613-4982</issn><eissn>1613-4990</eissn><abstract>A valveless micropump, actuated by a PZT disk bonded to a glass plate, can generate positive flow. In order to estimate flow characteristics of micropumps, it is necessary to theoretically analyze the radial expansion (more specifically, the equivalent moment) of the PZT disk according to the voltage input. Using the equivalent moment, deflection equations are derived for the tri-layer disk (PZT, epoxy bonder and glass plate) and are confirmed to match well with experiments. The flow rate of the valveless micropump is also theoretically and experimentally investigated in terms of input voltage and oscillation frequency. The flow increased at a rate of 0.1 μL/min/V, and the maximum flow rate was obtained at the driving frequency of around 225 Hz.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s10404-008-0275-7</doi><tpages>13</tpages></addata></record> |
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| subjects | Analytical Chemistry Applied fluid mechanics Applied sciences Biomedical Engineering and Bioengineering Electronics Engineering Engineering Fluid Dynamics Exact sciences and technology Flow characteristics Flow rates Fluid dynamics Fluidics Fundamental areas of phenomenology (including applications) Maximum flow Micro- and nanoelectromechanical devices (mems/nems) Nanotechnology and Microengineering Physics Research Paper Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Theory |
| title | Flow characterization of valveless micropump using driving equivalent moment: theory and experiments |
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