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Title: A pressure drop investigation of immiscible liquid-liquid micro flows
Authors: Taheny, O
Davies, M
Dalton, T
2nd Micro and Nano Flows Conference (MNF2009)
Keywords: Capillary micro-reactor;Thin film;Pressure drop;Fluidic resistance;μTAS
Issue Date: 2009
Publisher: Brunel University
Citation: 2nd Micro and Nano Flows Conference, Brunel University, West London, UK, 01-02 September 2009
Abstract: Over the past decade there has been a considerable increase in the research on lab-on-a-chip applications that focuses on designing analytical chemical and biological devices. One such application is the possibility of integrating the functional steps of DNA analysis into a micro-total-analysis system (μTAS). Encapsulation of PCR samples within an inert carrier fluid allows the samples to be transported as micro-reactors. Plug based micro reactors suspended in an inert carrier fluid have a lot of promise in microfluidic analytical devices, offering a reduction in resident-time, reagents and labour with an increase in through-put, accuracy and quality. The development of a thin wetting film between the wall of the capillary and the micro reactor increase the interfacial area of the plug and can also intensify the internal circulation occurring within the plug. Only recently has work being preformed on the fluid mechanics that characterise this scale. An experimental study is carried out to study the effect capillary diameter, carrier viscosity and flow rate has on the pressure drop under bi-phasic flow conditions.
Description: This paper was presented at the 2nd Micro and Nano Flows Conference (MNF2009), which was held at Brunel University, West London, UK. The conference was organised by Brunel University and supported by the Institution of Mechanical Engineers, IPEM, the Italian Union of Thermofluid dynamics, the Process Intensification Network, HEXAG - the Heat Exchange Action Group and the Institute of Mathematics and its Applications.
ISBN: 978-1-902316-72-7
Appears in Collections:Brunel Institute for Bioengineering (BIB)
The Brunel Collection

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