微流控气泡气体传感器

2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS) Pub Date : 2014-03-13 DOI:10.1109/MEMSYS.2014.6765616

A. Bulbul, Hao-Chieh Hsieh, Hanseup Kim

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引用次数: 2

摘要

本文报道了一类新的气体传感器，它利用不同气体进入液体流动时气泡大小的变化来识别气体类型。该装置产生的平均气泡尺寸为130μm3，比氮气的背景气泡尺寸(132.4μm)减小了2.4μm(1.7%)，从而实现了对3μL戊烷的检测。结果表明，注射量与气泡大小之间存在初步的相关性:戊烷注射量从3μL增加到5μL(增加66.7%)，气泡大小从1.7%下降到2.1%(减少24%)，时间跨度从5s增加到10s(增加100%)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Microfluidic bubble-based gas sensor

This paper reports a new class of a gas sensor that utilizes the variation in bubble sizes when different gases are introduced into a liquid flow to identify gas types. The fabricated device enabled the detection of pentane (3μL) by producing the average bubble size of 130μm3, which showed size reduction by 2.4μm (1.7%) from the background bubble sizes (132.4μm) of nitrogen. The measurement also showed a preliminary correlation between the injection volume and the bubble size: increase in the injection volume of pentane from 3μL to 5μL (66.7% increases) resulted in the bubble size reduction from 1.7% to 2.1% (24% decreases) and the time span increase from 5s to 10s (100% increases).

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来源期刊

2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS)

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