Strong enhancement of straeming current power by application of two phase flow

Yanbo Xie; John D. Sherwood; Lingling Shui; Albert van den Berg; Jan C.T. Eijkel

doi:10.1039/c1lc20423h

Strong enhancement of straeming current power by application of two phase flow

Yanbo Xie, John D. Sherwood, Lingling Shui, Albert van den Berg, Jan C.T. Eijkel

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Abstract

We show that the performance of a streaming-potential based microfluidic energy conversion system can be strongly enhanced by the use of two phase flow. Injection of gas bubbles into a liquid-filled channel increases both the maximum output power and the energy conversion efficiency. In single-phase systems the internal conduction current induced by the streaming potential limits the output power, whereas in a two-phase system the bubbles reduce this current and increase the power. In our system the addition of bubbles enhanced the maximum output power of the system by a factor of 74 and the efficiency of the system by a factor of 163 compared with single phase flow.

Original language	Undefined
Pages (from-to)	4006-4011
Number of pages	6
Journal	Lab on a chip
Volume	11
Issue number	23
DOIs	https://doi.org/10.1039/c1lc20423h
Publication status	Published - 2011

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10.1039/c1lc20423h

Cite this

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abstract = "We show that the performance of a streaming-potential based microfluidic energy conversion system can be strongly enhanced by the use of two phase flow. Injection of gas bubbles into a liquid-filled channel increases both the maximum output power and the energy conversion efficiency. In single-phase systems the internal conduction current induced by the streaming potential limits the output power, whereas in a two-phase system the bubbles reduce this current and increase the power. In our system the addition of bubbles enhanced the maximum output power of the system by a factor of 74 and the efficiency of the system by a factor of 163 compared with single phase flow.",

author = "Yanbo Xie and Sherwood, {John D.} and Lingling Shui and {van den Berg}, Albert and Eijkel, {Jan C.T.}",

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T1 - Strong enhancement of straeming current power by application of two phase flow

AU - Xie, Yanbo

AU - Sherwood, John D.

AU - Shui, Lingling

AU - van den Berg, Albert

AU - Eijkel, Jan C.T.

PY - 2011

Y1 - 2011

N2 - We show that the performance of a streaming-potential based microfluidic energy conversion system can be strongly enhanced by the use of two phase flow. Injection of gas bubbles into a liquid-filled channel increases both the maximum output power and the energy conversion efficiency. In single-phase systems the internal conduction current induced by the streaming potential limits the output power, whereas in a two-phase system the bubbles reduce this current and increase the power. In our system the addition of bubbles enhanced the maximum output power of the system by a factor of 74 and the efficiency of the system by a factor of 163 compared with single phase flow.

AB - We show that the performance of a streaming-potential based microfluidic energy conversion system can be strongly enhanced by the use of two phase flow. Injection of gas bubbles into a liquid-filled channel increases both the maximum output power and the energy conversion efficiency. In single-phase systems the internal conduction current induced by the streaming potential limits the output power, whereas in a two-phase system the bubbles reduce this current and increase the power. In our system the addition of bubbles enhanced the maximum output power of the system by a factor of 74 and the efficiency of the system by a factor of 163 compared with single phase flow.

U2 - 10.1039/c1lc20423h

DO - 10.1039/c1lc20423h

M3 - Article

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