Dielectrophoresis flow control in microchannels

Lackowski, M.; Krupa, A.; Butrymowicz, Dariusz

doi:10.1016/j.elstat.2013.07.004

Cited by 16 publications

(13 citation statements)

References 14 publications

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“…DEP chip has been implemented for point‐of‐care system for medical diagnostics and quantitative cell analysis . In addition, DEP has been explored in purification of water , fouling reduction in membrane filtration , flow control , electrical characterization of cells , to name a few.…”

Section: Introductionmentioning

confidence: 99%

Dielectrophoretic separation of micron and submicron particles: A review

Dash

Mohanty

2014

Electrophoresis

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This paper provides an overview on separation of micron and submicron sized biological (cells, yeast, virus, bacteria, etc.) and nonbiological particles (latex, polystyrene, CNTs, metals, etc.) by dielectrophoresis (DEP), which finds wide applications in the field of medical and environmental science. Mathematical models to predict the electric field, flow profile, and concentration profiles of the particles under the influence of DEP force have also been covered in this review. In addition, advancements made primarily in the last decade, in the area of electrode design (shape and arrangement), new materials for electrode (carbon, silicon, polymers), and geometry of the microdevice, for efficient DEP separation of particles have been highlighted.

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Section: Introductionmentioning

confidence: 99%

Dielectrophoretic separation of micron and submicron particles: A review

Dash

Mohanty

2014

Electrophoresis

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“…The authors of the paper proposed a novel flow control device based on the dielectrophoresis (DEP) phenomena [1]. In this flow controller, the dielectric liquid between vertical parallel electrodes rises against gravity in response to the DEP and capillarity forces, which is utilized to force the flow.…”

Section: Introductionmentioning

confidence: 99%

Numerical modelling of dielecrophoresis (DEP) effect in microchannel flow controller - comparison of calculation methods

Lackowski

Nowakowska

2016

ELECTROTECHNICAL REVIEW

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Results of calculations using Maxwell stress tensor method for a new DEP based flow control device with the distance between the electrodes equal to 400m and the relative permittivity of the liquid (2-propanol) equal to 19.9 are presented. The analysis of the influence of the electric field and the shape of the meniscus on the forces acting on the liquid surface and the liquid height-of-rise for several voltage values is presented. The results show good agreement with these obtained using simplified method.Streszczenie. Przedstawiono wyniki obliczeń wykorzystujących metodę tensora napięć Maxwella do analizy nowego typu regulatora przepływu wykorzystującego zjawisko dielektroforezy. Obliczenia wykonano dla odległości elektrod 400m i względnej przenikalności elektrycznej płynu 19,9. Przedstawiono analizę wpływu pola elektrycznego i kształtu menisku na siły działające na powierzchni płynu i wysokość płynu w mikrokanale dla kilku wartości napięcia. Wyniki analizy pokazują dobrą zgodność z uzyskanymi metodą uproszczoną. (Modelowanie numeryczne zjawiska dielektroforetycznego w mikrokanałowym kontrolerze przepływu -porównanie metod obliczeń).

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“…It has resulted in several innovative, alternative solutions of boilers [36], circulating pumps [39], heat exchangers [40,41] and micro-turbines [13,42,43] while working on the components at the IMP PAN. When selecting components, a high level of durability and reliability as well as relatively low price were important criteria, in addition to capacity demand and efficiency.…”

Section: Thermodynamic Cycle and Component Selectionmentioning

confidence: 99%

Prototype of the domestic CHP ORC energy system

Kiciński¹,

Żywica²

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. The Institute of Fluid-Flow Machinery (IMP PAN) in Gdansk pursues its own research in fields such as technologies that use renewable energy sources efficiently, including in particular the small-scale combined heat and power (CHP) systems. This article discusses the design concepts for the prototype of small CHP ORC (organic Rankine cycle) energy system, developed under the research project. The source of heat is a boiler designed for biomass combustion. Electricity was generated using specially designed oil-free vapour micro-turbine. The turbo-generator has compact structure and hermetical casing thanks to the use of gas bearings lubricated by working medium. All energy system components are controlled and continuously monitored by a coherent automation and control system. The article also discusses selected experimental results conducted under laboratory conditions. Thermal-flow tests were presented that allow for an assessment of the operation of energy system components. Additionally, energy performance results of the turbo-generator were given including power obtained at various cycle parameters. The achieved results have shown that the developed energy system operated in accordance with design solutions. Electricity derived from the energy system prototype was around 2 kW, with boiler's thermal power of 25 kW. The research has also confirmed that this system can be used in a domestic environment.

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Dielectrophoresis flow control in microchannels

Cited by 16 publications

References 14 publications

Dielectrophoretic separation of micron and submicron particles: A review

Dielectrophoretic separation of micron and submicron particles: A review

Numerical modelling of dielecrophoresis (DEP) effect in microchannel flow controller - comparison of calculation methods

Prototype of the domestic CHP ORC energy system

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