Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer

Nozomu Fujimoro; Tomoyasu Yamada; Takuji Murakami; Takefumi Kanda; Kota Mori; Koichi Suzumori

doi:10.1109/MARSS.2018.8481146

Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer

Nozomu Fujimoro, Tomoyasu Yamada, Takuji Murakami, Takefumi Kanda, Kota Mori, Koichi Suzumori

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In recent years, a generation of emulsions has been experimentally investigated. In this study, to generate high-quality W/O (Water-in-Oil) emulsions, we have designed a droplet generation system using a torsional bolt-clamped Langevin-type transducer and a micropore plate, and generated droplets in the flowing continuous liquid directly and successively. When the vibrational velocity of micropore and the applied pressure of dispersed liquid were 96.5 mmls and 0.140 MPaG, the average diameter of generated droplets and the standard deviation were 62.5 um and 2.6 um, respectively. In addition, we have found a transition point in which generated droplets became uniform in the flowing continuous liquid, and we have succeed in generating droplets with wider pressure range into the flowing continuous liquid compared with the generation into the continuous liquid.

Original language	English
Title of host publication	MARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales
Editors	Sergej Fatikow, Sinan Haliyo, Fumihito Arai, Albert Sill
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781538648414
DOIs	https://doi.org/10.1109/MARSS.2018.8481146
Publication status	Published - Oct 3 2018
Event	3rd International Conference on Manipulation, Automation and Robotics at Small Scales, MARSS 2018 - Nagoya, Japan Duration: Jul 4 2018 → Jul 8 2018

Other

Other	3rd International Conference on Manipulation, Automation and Robotics at Small Scales, MARSS 2018
Country	Japan
City	Nagoya
Period	7/4/18 → 7/8/18

Keywords

micro droplets
micro filudic system
microreacter
ultrasonic transducer

ASJC Scopus subject areas

Artificial Intelligence
Industrial and Manufacturing Engineering
Mechanical Engineering
Control and Optimization

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Fujimoro, N., Yamada, T., Murakami, T., Kanda, T., Mori, K., & Suzumori, K. (2018). Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer. In S. Fatikow, S. Haliyo, F. Arai, & A. Sill (Eds.), MARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales [8481146] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MARSS.2018.8481146

Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer. / Fujimoro, Nozomu; Yamada, Tomoyasu; Murakami, Takuji; Kanda, Takefumi; Mori, Kota; Suzumori, Koichi.

MARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales. ed. / Sergej Fatikow; Sinan Haliyo; Fumihito Arai; Albert Sill. Institute of Electrical and Electronics Engineers Inc., 2018. 8481146.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fujimoro, N, Yamada, T, Murakami, T, Kanda, T, Mori, K & Suzumori, K 2018, Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer. in S Fatikow, S Haliyo, F Arai & A Sill (eds), MARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales., 8481146, Institute of Electrical and Electronics Engineers Inc., 3rd International Conference on Manipulation, Automation and Robotics at Small Scales, MARSS 2018, Nagoya, Japan, 7/4/18. https://doi.org/10.1109/MARSS.2018.8481146

Fujimoro N, Yamada T, Murakami T, Kanda T, Mori K, Suzumori K. Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer. In Fatikow S, Haliyo S, Arai F, Sill A, editors, MARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales. Institute of Electrical and Electronics Engineers Inc. 2018. 8481146 https://doi.org/10.1109/MARSS.2018.8481146

Fujimoro, Nozomu ; Yamada, Tomoyasu ; Murakami, Takuji ; Kanda, Takefumi ; Mori, Kota ; Suzumori, Koichi. / Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer. MARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales. editor / Sergej Fatikow ; Sinan Haliyo ; Fumihito Arai ; Albert Sill. Institute of Electrical and Electronics Engineers Inc., 2018.

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abstract = "In recent years, a generation of emulsions has been experimentally investigated. In this study, to generate high-quality W/O (Water-in-Oil) emulsions, we have designed a droplet generation system using a torsional bolt-clamped Langevin-type transducer and a micropore plate, and generated droplets in the flowing continuous liquid directly and successively. When the vibrational velocity of micropore and the applied pressure of dispersed liquid were 96.5 mmls and 0.140 MPaG, the average diameter of generated droplets and the standard deviation were 62.5 um and 2.6 um, respectively. In addition, we have found a transition point in which generated droplets became uniform in the flowing continuous liquid, and we have succeed in generating droplets with wider pressure range into the flowing continuous liquid compared with the generation into the continuous liquid.",

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author = "Nozomu Fujimoro and Tomoyasu Yamada and Takuji Murakami and Takefumi Kanda and Kota Mori and Koichi Suzumori",

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AU - Mori, Kota

AU - Suzumori, Koichi

PY - 2018/10/3

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N2 - In recent years, a generation of emulsions has been experimentally investigated. In this study, to generate high-quality W/O (Water-in-Oil) emulsions, we have designed a droplet generation system using a torsional bolt-clamped Langevin-type transducer and a micropore plate, and generated droplets in the flowing continuous liquid directly and successively. When the vibrational velocity of micropore and the applied pressure of dispersed liquid were 96.5 mmls and 0.140 MPaG, the average diameter of generated droplets and the standard deviation were 62.5 um and 2.6 um, respectively. In addition, we have found a transition point in which generated droplets became uniform in the flowing continuous liquid, and we have succeed in generating droplets with wider pressure range into the flowing continuous liquid compared with the generation into the continuous liquid.

AB - In recent years, a generation of emulsions has been experimentally investigated. In this study, to generate high-quality W/O (Water-in-Oil) emulsions, we have designed a droplet generation system using a torsional bolt-clamped Langevin-type transducer and a micropore plate, and generated droplets in the flowing continuous liquid directly and successively. When the vibrational velocity of micropore and the applied pressure of dispersed liquid were 96.5 mmls and 0.140 MPaG, the average diameter of generated droplets and the standard deviation were 62.5 um and 2.6 um, respectively. In addition, we have found a transition point in which generated droplets became uniform in the flowing continuous liquid, and we have succeed in generating droplets with wider pressure range into the flowing continuous liquid compared with the generation into the continuous liquid.

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KW - micro filudic system

KW - microreacter

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Micro Droplets Generation in a Flowing Continuous Liquid Using an Ultrasonic Transducer

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Keywords

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