Sawada, Tatsuo

J-GLOBAL         Last updated: Oct 3, 2019 at 04:32
 
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Name
Sawada, Tatsuo
E-mail
sawadamech.keio.ac.jp
URL
http://www.sawada.mech.keio.ac.jp/en/
Affiliation
Keio University
Section
Faculty of Science and Technology Department of Mechanical Engineering
Job title
Professor
Degree
Ph.D.(Keio University)

Research Areas

 
 

Academic & Professional Experience

 
Apr 1983
 - 
Mar 1988
Research Associate, Department of Mechanical Engineering, Faculty of Science and Technology, Keio University
 
Apr 1988
 - 
Mar 1993
Assistant Professor, Department of Mechanical Engineering, Faculty of Science and Technology, Keio University
 
Oct 1988
 - 
Sep 1989
Visiting Scientist, Institute of Aerodynamics, RWTH Aachen University
 
Apr 1993
 - 
Mar 2002
Associate Professor, Department of Mechanical Engineering, Faculty of Science and Technology, Keio University
 
Apr 2000
 - 
Mar 2001
Part-time Lecturer, Institute of Fluid Science, Tohoku University
 

Education

 
Apr 1974
 - 
Mar 1978
Departmenr of Mechanical Engineering, Faculty of Engineering, Keio University
 
Apr 1978
 - 
Mar 1980
Mechanical Engineering, Division of Engineering, Keio University
 
Apr 1980
 - 
Mar 1983
Mechanical Engineering, Division of Engineering, Keio University
 

Committee Memberships

 
Jun 2019
 - 
May 2020
The Visualization Society of Japan  Controller
 
Dec 2018
 - 
May 2019
第31回「電磁力関連のダイナミクス」シンポジウム  実行委員会委員
 
Jul 2018
 - 
Oct 2018
第27回MAGDAコンファレンス in 葛飾  組織委員会委員
 
Jun 2018
 - 
May 2019
The Visualization Society of Japan  Vice President
 
May 2018
 - 
Mar 2020
日本AEM学会  監事
 

Awards & Honors

 
Jul 2019
Ultrasonic propagation wave velocity in MR fluid at magnetic field sweep rates, 指導学生の受賞:Best Poster Award, Technical Program Committee of JAPMED’11
Winner: 金指 亮
 
GeorgiaのBatumiで開催されたThe Eleventh Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nanomaterials (JAPMED'11)におけるポスター発表で,The Best Poster Awardが授与された。
Oct 2018
日本AEM学会 功績賞, 日本AEM学会
 
日本AEM学会への多大な貢献があった為
Mar 2018
磁場強度によって変化するMR緩衝器の抵抗力に関する研究, 指導学生の受賞:大学院研究奨励賞, 公益社団法人自動車技術会
Winner: 遠藤拓磨
 
大学院研究奨励賞は大学院生の学業の向上発展に資することを目的に設けられたもので,大学院において,自動車に関連した技術分野で優れた研究を行った大学院修了予定者に授与される。
Oct 2017
振動磁場下のMR流体中を伝播する超音波の周波数依存性, 指導学生の受賞:第26回MAGDA コンファレンス in 金沢「MAGDA優秀講演論文賞」, 日本AEM学会
Winner: Takashi Fukumoto
 
指導学生の講演発表が審査され,受賞した。
Jun 2017
Elected Member of the Euro Mediterranean Academy of Arts and Sciences, Euro Mediterranean Academy of Arts and Sciences
Winner: Tatstuo Sawada
 
これまでの研究成果によって,ユーロ地中海科学アカデミー会員に選出された。

Published Papers

 
Dynamic pressure change of a liquid sloshing in a rotating, laterally oscillating, cylindrical container
Tatsuo Sawada, Eisaku Yokose, Yusuke Saito
CD-Proceedings of 2018 Sustainable Industrial Processing Summit and Exhibition   4 101-108   Jun 2019   [Refereed]
We investigated characteristics of water sloshing in a rotating, laterally oscillating, cylindrical container both theoretically and experimentally. In our experiment, the time-dependent dynamic pressure of the water on the wall rather than the fr...
Application of knockdown pontoons of the emergency measures for volcanic hazards of Mount Fuji
Yuji Doya, Tatsuo Sawada, Taisuke Morikawa, Yuya Iseda
Journal of Fujiology   15(2) 1-15   Jan 2019   [Refereed]
We investigate the stability and strength of a reinforced, rectangular-hull knockdown pontoon to determine the feasibility of the usage of knockdown pontoons for emergency procedures in case of Mt. Fuji volcanic hazards. The stability of the self-...
Yuta Itahashi, Ryutaro Hirano and Tatsuo Sawada
International Journal of Applied Electromagnetics and Mechanics   59(1) 341-347   Jan 2019   [Refereed]
This study reports magnetic fluid flow in a square duct under DC, AC, and DC+AC magnetic fields. We measured pressure drop with applying different magnetic fields. Under magnetic fields, flow resistance increased by forming a cluster so that press...
Takashi Fukumoto, Yuya Tanaka and Tatsuo Sawada
International Journal of Applied Electromagnetics and Mechanics   59(1) 335-340   Jan 2019   [Refereed]
This paper reports the experimental studies on a magneto-rheological (MR) fluid under AC magnetic fields. Magnetic clusters in the MR fluid are formed along the magnetic fields. The ultrasonic propagation velocity changes owing to the presence of ...
Eisaku Yokose, Yusuke Saito and Tatsuo Sawada
MATEC Web of Conferences   211 15003(6pp)   Oct 2018   [Refereed]
We have investigated the free-surface fluctuations of liquid in a rotating, laterally oscillating, cylindrical vessel. We measured the time-dependent fluid-dynamic pressure instead of the free surface luctuations. From an FFT analysis of the dyna...

Misc

 
Tatsuo Sawada, Takashi Fukumoto, Ahmad Isnikurniawan and Muhammad Agung Bramanty
Journal of the Japan Society of Applied Electromagnetics and Mechanics   24(2) 86-91   Jun 2016   [Invited]
Magnetic and Magnetorheological (MR) fluids are formed by small magnetic particles suspended in a fluid such as water or oils. In the absence of an external magnetic field, these suspensions behave as a non-Newtonian fluid. When an external magnet...
Characteristics of Tuned Liquid Dampers using a Magnetic Fluid
Tatsuo Sawada and Ken-ichi Ohno
Journal of the Japanese Society for Experimental Mechanics   12(4) 284-287   Dec 2012   [Invited]
This is the review article for tuned liquid dampers using a magnetic fluid.
Investigation of cluster formation in magnetic fluids based on ultrasonic propagation properties
Tatsuo Sawada and Masaaki Motozawa
Journal of the Japan Society for Abrasive Technology   52(5) 250-253   May 2008   [Refereed][Invited]
磁性流体研磨に関連して,磁性流体中のクラスタ形成評価のために超音波伝播特性計測を利用する事について特集記事として執筆した。
Tatsuo Sawada, Masaaki Motozawa and Ryo Hasegawa
Journal of the Visualization Society of Japan   27(105) 117-122   Apr 2007   [Invited]
This is the review article for application of the ultrasonic technique to magnetic fluids.
ドイツ・アーヘン工科大学の計算機事情
澤田達男
bit別冊 知のキャンパス-大学における情報教育環境   23(4月) 196   Apr 1991   [Invited]
アーヘン工科大学の計算機環境について概説した。

Books etc

 
Ultrasonic Doppler Velocity Profiler for Fluid Flow
Hiroshige Kikura, Masaaki Motozawa and Tatsuo Sawada (Part:Contributor, Sec.5.5 Magnetic Fluids (pp.161-168))
Springer   Sep 2012   ISBN:978-4-431-54025-0
Sec.5.5 Magnetic Fluids are written by us.

Conference Activities & Talks

 
Application of pendulum theory to a model of the overturning of a rectangular hull in a water tank
Yuji Doya and Tatsuo Sawada
The 11th International Workshop on Ship and Marine Hydrodynamics   24 Sep 2019   Hamburg University of Technology
This paper reports an experimental study of applying pendulum theory to determine whether a rectangular model of a hull would overturn. A pontoon used as a non-self-navigating work vessel was considered in this study. Its model begins to list when...
Ultrasonic propagation wave velocity in MR fluid at magnetic field sweep rates
Ryo Kanasashi, Yuya Tanaka, Tatsuo Sawada
The Eleventh Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nanomaterials   18 Jul 2019   Batumi Shota Rustaveli State University
The ultrasonic wave propagation velocities of MR fluid under DC and AC magnetic fields were examined. Experiments were conducted to investigate the effect of magnetic field sweep rate on the cluster formation in MR fluid.
Self-dumping pontoons for emergency measures during large-scale natural disasters
Yuji Doya, Tatsuo Sawada
The General Meeting of Japan Society of Fujiology   6 Jul 2019   Japan Society of Fujiology
Ultrasonic propagation characteristics in MR fluid under magnetic fields
Yuya Tanaka, Ryo Kanasashi and Tatsuo Sawada
JSME Fluids Engineering Conference 2018   30 Nov 2018   JSME
MR fluid is one of the functional fluids affected by the magnetic. When a magnetic field is applied to MR fluid, MR fluid can change its property because of clustering structure. We measure the ultrasonic propagation property through MR fluid unde...
Influence of an applied magnetic field on resistance force of a magneto-rheological fluid in a pipe with a tapered pin
Kojiro Matsuzaka and Tatsuo Sawada
JSME Fluids Engineering Conference 2018   30 Nov 2018   JSME
We carry out theoretical and experimental study for the resistance force of MR fluid flow in a circular pipe. The purpose of this study is to calculate resistance of MR fluid based on the analysis and to compare the experimental results with the c...

Works

 
回転平板によって生じる容器内の渦
澤田達男,Thomas Leweke   The Others   Jul 1990
回転平板によって生じる出発渦を色素注入法によって可視化した。
二重円管内における磁性流体の自然対流に及ぼす磁場の影響
齋藤敦,木倉宏成,澤田達男,棚橋隆彦   The Others   Jul 1990
二重円筒管内の磁性流体自然対流が印加磁場によって変化する様子を温度場の可視化によって表現した。
電磁場による自然対流・磁気対流の制御
齋藤敦,澤田達男,棚橋隆彦   The Others   Jul 1989
電場や磁場によって磁性流体や水銀の自然対流現象がどのように変化するかを壁面温度分布の可視化によって,定性的に明らかにした。
磁性流体の自然対流の磁場による制御
齋藤敦,岡永博夫,澤田達男,棚橋隆彦   The Others   Jul 1988
立方体容器内の磁性流体自然対流における壁面温度分布を可視化した。
磁性流体のスパイク現象
澤田達男,木倉宏成,棚橋隆彦   The Others   Jul 1987
磁性流体のスパイク現象の写真を報告した。

Patents

 
特開2006-349053 : 固有振動数可変型制振方法および制振制御装置
澤田達男, 堀江庄平, 中村純

Social Contribution

 
Kanto Student Soft Tennis Association
[Advisor, Organizing Member]  Kanto Student Soft Tennis Association  Apr 2014 - Today
New Energy and Industrial Technology Development Organization
[Advisor, Investigater]  New Energy and Industrial Technology Development Organization  Apr 2013 - Mar 2020
East Asian Circle of Applied Technology Foundation
[Organizing Member]  公益財団法人東亜留学生育友会  East Asian Circle of Applied Technology Foundation  Nov 2012 - Today
徳島の活性化を願う
[Interviewee]  徳島新聞社  徳島新聞  Jun 2011
県外での活躍者からのインタビュー記事として取材を受ける。
Egypt-Japan University for Science and Technology "E-Just"
[Advisor]  Mar 2009 - Aug 2011

Others

 
Feb 2018   慶應義塾大学理工学部機械工学科における倫理教育
日本機械学会技術倫理委員会のWebコラムにおいて,慶應義塾大学理工学部機械工学科の倫理教育について概説した。
Feb 2016   Introducing Keio University
フランス・ボルドーのENSEIRB-MATMECAにおいて,慶應義塾大学理工学部の紹介に関する講演を,先方理事会および学生達に対して行った。
Sep 2015   Properties of magnetic functional fluids
インドネシアのスムラン州立大学機械工学科において,磁気機能性流体に関する講演を行った。
Dec 2014   磁性流体を用いた制震装置について
「機能性流体との融合化によるフルードパワーシステムの新展開に関する研究委員会」の研究会において,話題提供として講演を行った。
Mar 2014   98式航空エンジン
慶應義塾大学理工学部所有の98式航空エンジンについて,解説した。