Improvement in the Flow Rate of a Miniature Ultrasonic Suction Pump

Takeshi Hasegawa; Daisuke Koyama; Kentaro NakamuraSadayuki Ueha

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Improvement in the Flow Rate of a Miniature Ultrasonic Suction Pump

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摘要

If a pipe end is faced at an ultrasonic vibrating surface with a small gap in the liquid, the liquid is sucked into the pipe. The ultrasonic pump under our investigation is based on this phenomenon. In the first part of this paper, we explore the relationships between the number of pipes and the pump characteristics. The flow rate is improved proportionally to the number of pipes if a piston-vibrating surface is used, whereas the maximum flow rate is improved by a factor of only 1.5 using two pipes if a bending vibrator is employed. Second, we research how the inner diameter of the pipe affects the flow rate. The maximum flow rate is improved by a factor of 1.9 if the inner diameter is changed from 3.5 to 5.0 mm.

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来源
《Japanese journal of applied physics》 |2007年第7b期|4931-4935|共5页
作者
Takeshi Hasegawa; Daisuke Koyama; Kentaro NakamuraSadayuki Ueha;
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作者单位

Precision and Intelligence Laboratory, Tokyo Institute of Technology, 4259-R2-26 Nagatsutacho, Midori-ku, Yokohama 226-8503, Japan;

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原文格式 PDF
正文语种英语
中图分类应用物理学;
关键词
ultrasonic pump; bolt-clamped Langevin transducer; bending disk transducer; gap; valveless; flatness; pump pressure; flow rate;

Improvement in the Flow Rate of a Miniature Ultrasonic Suction Pump

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