Development of mass-producible rapid mixer based on baker's transformation

Yusuke Omoto, Takashi Kato, Norikazu Suzuki, Takao Yasui, Keiko Osato, Noritada Kaji, Manabu Tokeshi, Yoshinobu Baba, Yasuhiko Sakai, Eiji Shamoto

Research output: Contribution to journalArticle

Abstract

We developed a new passive-type lamination mixer for high viscosity fluid with a low Reynolds number, based on the baker's transformation (BT). BT is the best transformation for mixing fluids of laminar flow. However, there was difficulty in mass-producing the BT structure especially for micro devices like MicroTAS, Lab-on-a-Chip and Micro-Reactors, because conventional BT mixers require three-dimensional (3D) piping structures. We have successfully developed the easy-to-massproduce BT mixer by changing that concept of 3D piping structures to 3D channel structures. The 3D channel structures are not easy to produce by photolithography unlike the conventional mixers, while they can be easily mass-produced by molding once their 3D molds are produced. In this report, we newly developed a miniature scale BT mixer to meet the needs for mixing high viscosity fluids in food processing, resin blending, etc. An experiment for mixing different colored hardening silicone elastomers was performed by using the prototype mixer made of aluminum alloy, and the good BT mixing result was obtained, with observing several cross sectional patterns. The numerical fluid analysis also gave similar results of the patterns to those observed in the experiment.

Original languageEnglish
Pages (from-to)762-768
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume78
Issue number788
DOIs
Publication statusPublished - Jun 15 2012
Externally publishedYes

Fingerprint

Fluids
Viscosity
Lab-on-a-chip
Food processing
fluids
Molds
Photolithography
Laminar flow
Elastomers
Molding
Silicones
Hardening
Aluminum alloys
Reynolds number
Resins
Experiments
food processing
viscosity
low Reynolds number
silicones

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Development of mass-producible rapid mixer based on baker's transformation. / Omoto, Yusuke; Kato, Takashi; Suzuki, Norikazu; Yasui, Takao; Osato, Keiko; Kaji, Noritada; Tokeshi, Manabu; Baba, Yoshinobu; Sakai, Yasuhiko; Shamoto, Eiji.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 78, No. 788, 15.06.2012, p. 762-768.

Research output: Contribution to journalArticle

Omoto, Yusuke ; Kato, Takashi ; Suzuki, Norikazu ; Yasui, Takao ; Osato, Keiko ; Kaji, Noritada ; Tokeshi, Manabu ; Baba, Yoshinobu ; Sakai, Yasuhiko ; Shamoto, Eiji. / Development of mass-producible rapid mixer based on baker's transformation. In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 2012 ; Vol. 78, No. 788. pp. 762-768.
@article{31f053b57f5e42dc8e079affea38f49e,
title = "Development of mass-producible rapid mixer based on baker's transformation",
abstract = "We developed a new passive-type lamination mixer for high viscosity fluid with a low Reynolds number, based on the baker's transformation (BT). BT is the best transformation for mixing fluids of laminar flow. However, there was difficulty in mass-producing the BT structure especially for micro devices like MicroTAS, Lab-on-a-Chip and Micro-Reactors, because conventional BT mixers require three-dimensional (3D) piping structures. We have successfully developed the easy-to-massproduce BT mixer by changing that concept of 3D piping structures to 3D channel structures. The 3D channel structures are not easy to produce by photolithography unlike the conventional mixers, while they can be easily mass-produced by molding once their 3D molds are produced. In this report, we newly developed a miniature scale BT mixer to meet the needs for mixing high viscosity fluids in food processing, resin blending, etc. An experiment for mixing different colored hardening silicone elastomers was performed by using the prototype mixer made of aluminum alloy, and the good BT mixing result was obtained, with observing several cross sectional patterns. The numerical fluid analysis also gave similar results of the patterns to those observed in the experiment.",
author = "Yusuke Omoto and Takashi Kato and Norikazu Suzuki and Takao Yasui and Keiko Osato and Noritada Kaji and Manabu Tokeshi and Yoshinobu Baba and Yasuhiko Sakai and Eiji Shamoto",
year = "2012",
month = "6",
day = "15",
doi = "10.1299/kikaib.78.762",
language = "English",
volume = "78",
pages = "762--768",
journal = "Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B",
issn = "0387-5016",
publisher = "The Japan Society of Mechanical Engineers",
number = "788",

}

TY - JOUR

T1 - Development of mass-producible rapid mixer based on baker's transformation

AU - Omoto, Yusuke

AU - Kato, Takashi

AU - Suzuki, Norikazu

AU - Yasui, Takao

AU - Osato, Keiko

AU - Kaji, Noritada

AU - Tokeshi, Manabu

AU - Baba, Yoshinobu

AU - Sakai, Yasuhiko

AU - Shamoto, Eiji

PY - 2012/6/15

Y1 - 2012/6/15

N2 - We developed a new passive-type lamination mixer for high viscosity fluid with a low Reynolds number, based on the baker's transformation (BT). BT is the best transformation for mixing fluids of laminar flow. However, there was difficulty in mass-producing the BT structure especially for micro devices like MicroTAS, Lab-on-a-Chip and Micro-Reactors, because conventional BT mixers require three-dimensional (3D) piping structures. We have successfully developed the easy-to-massproduce BT mixer by changing that concept of 3D piping structures to 3D channel structures. The 3D channel structures are not easy to produce by photolithography unlike the conventional mixers, while they can be easily mass-produced by molding once their 3D molds are produced. In this report, we newly developed a miniature scale BT mixer to meet the needs for mixing high viscosity fluids in food processing, resin blending, etc. An experiment for mixing different colored hardening silicone elastomers was performed by using the prototype mixer made of aluminum alloy, and the good BT mixing result was obtained, with observing several cross sectional patterns. The numerical fluid analysis also gave similar results of the patterns to those observed in the experiment.

AB - We developed a new passive-type lamination mixer for high viscosity fluid with a low Reynolds number, based on the baker's transformation (BT). BT is the best transformation for mixing fluids of laminar flow. However, there was difficulty in mass-producing the BT structure especially for micro devices like MicroTAS, Lab-on-a-Chip and Micro-Reactors, because conventional BT mixers require three-dimensional (3D) piping structures. We have successfully developed the easy-to-massproduce BT mixer by changing that concept of 3D piping structures to 3D channel structures. The 3D channel structures are not easy to produce by photolithography unlike the conventional mixers, while they can be easily mass-produced by molding once their 3D molds are produced. In this report, we newly developed a miniature scale BT mixer to meet the needs for mixing high viscosity fluids in food processing, resin blending, etc. An experiment for mixing different colored hardening silicone elastomers was performed by using the prototype mixer made of aluminum alloy, and the good BT mixing result was obtained, with observing several cross sectional patterns. The numerical fluid analysis also gave similar results of the patterns to those observed in the experiment.

UR - http://www.scopus.com/inward/record.url?scp=84862120633&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84862120633&partnerID=8YFLogxK

U2 - 10.1299/kikaib.78.762

DO - 10.1299/kikaib.78.762

M3 - Article

VL - 78

SP - 762

EP - 768

JO - Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B

JF - Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B

SN - 0387-5016

IS - 788

ER -