Tagawa Lab

粉体工学会誌 に田川教授の論文が掲載されました！

「粉体操作のための流体応力分布可視化：ナノ粒子を用いた新しい光弾性計測」
J-STAGEにて公開されてます。
🔗 doi.org/10.4164/sptj...

ぜひご覧ください。

#Photoelasticity #CNC #Stress #Hertzian #Particle #Fluid #MachineLearning

We are honored to have Dr. Ching-Yao Chen from National Yang Ming Chiao Tung University give a seminar for us on Monday, March 2nd. Please come and join us!
#TUATFluidDynamicsSeminar

🔈Our paper (Yamagata et al.) “Penetration of impact-induced jets into skin-simulating materials” is now available on arXiv!
🔗 arxiv.org/abs/2602.17156
#FocusedLiquidJet #NeedleFreeInjector #ImpactInducedJet #PenetrationBehavior

【論文掲載のお知らせ】
本研究論文が、日本画像学会誌にて公開されました。
ぜひご覧ください。
🔗 jstage.jst.go.jp/article/isj/...

#連続式インクジェットプリンター #CIJ #ジェット #インク #液滴 #ノズル #数値計算

Our paper,
“Interfacial dynamics induced by impacts across rigid and soft substrates”,
is now available on
@arXiv
.
🔗 arxiv.org/abs/2602.06416

#arXiv #FluidDynamics #ImpactDynamics #SoftMatter #Research

Impulse-induced liquid jets from bubbles with arbitrary contact angles This paper investigates the relationship between the contact angle of a spherical bubble attached to a tube submerged in a container and the jet speed induced by an impulsive acceleration at its base....

We have uploaded a new paper (Miyoshi H et al.) to @arxiv🎉Check it out here: arxiv.org/abs/2602.03185

#jet #bubble

Here is also the link to the published article:

🔗 rdcu.be/e06QE

Check it out!

We have uploaded a new paper (Kamamoto K et al.) to @arxiv🎉

Check it out here: arxiv.org/abs/2601.20558

#jet

Our research has been featured on the JST website!
We revealed that a droplet on a soft substrate can behave like a solid sphere.

Read more here 👇 jst.go.jp/pr/announce/...

#JST #ResearchHighlight #FluidMechanics #Droplets #SoftMatter #FundamentalResearch #UniversityResearch

JSTのWebページで、私たちの研究成果が紹介されました！
液滴が柔らかい材料上で「固体球のように振る舞う」メカニズムを解明した研究です。

詳細はこちら👇 jst.go.jp/pr/announce/...

#JST #研究成果 #流体力学 #液滴 #基礎研究 #大学研究 #NatureCommunications

New on TUAT website: Our research reveals the underlying mechanism of droplet impact force on soft materials, showing a continuous transition from inertial to Hertzian behavior — with implications for 3D bioprinting, coating, and spray design!

Read more: tuat.ac.jp/outline/disc...

東京農工大学のWebページで、液滴衝突力の本質を解き明かした研究成果が紹介されました！
柔らかい材料上で液滴が固体球のように振る舞う現象を初めて実証し、応用設計への新たな指針を示しています。

詳細はこちら👇
tuat.ac.jp/outline/disc...

Scaling crossover in droplet impact force on elastic substrates - Nature Communications Droplet impacts shape technologies from erosion to bioprinting. Here, authors show a scaling crossover in peak impact force on soft substrates, from inertial to Hertzian, unified by a similarity param...

Yokoyama's paper, "Scaling crossover in droplet impact force on elastic substrates" has been published in nature communications!🎊

Check it out: nature.com/articles/s41...

Extending flow birefringence analysis to combined extensional–shear flows via Jeffery–Hamel flow measurements This study investigates the relationship between phase retardation and strain rates in combined extensional–shear flows using the Jeffery–Hamel flow f…

Kobayashi's paper, "Extending flow birefringence analysis to combined extensional–shear flows via Jeffery–Hamel flow measurements" has been accepted in Experimental Thermal and Fluid Science!🎊Check it out: sciencedirect.com/science/arti... #Jeffery-Hamel #Photoelastic

We are honored to have Dr. Delphis F. Levia from @udelaware.bsky.social give a seminar for us on Monday, January 26th. Please come and join us!
#TUATFluidDynamicsSeminar

We are honored to have Dr. Nausheen Basha from @imperialcollegeldn.bsky.social give a seminar for us on Monday, December 8th. Please come and join us!
#TUATFluidDynamicsSeminar

Focusing patterns of spherical particles in a viscoelastic flow through square channels | Journal of Fluid Mechanics | Cambridge Core Focusing patterns of spherical particles in a viscoelastic flow through square channels - Volume 1022

Our paper (Yamashita et al.) has been published in the Journal of Fluid Mechanics! 🎉Check it out: doi.org/10.1017/jfm....
#JFM #viscoelastic #FocusingPattern

We are honored to have Dr. Gianmaria Viciconte from KAUST (King Abdullah University of Science and Technology) give a seminar for us on Friday, November 7th. Please come and join us!
#TUATFluidDynamicsSeminar

10月21日，三浦拓也准教授(東京農工大学)のセミナーが本研究室にて開催されます！ぜひご参加ください！ #TUATFluidDynamicsSeminer

Our paper (Kusuno et al.) has been published in the Journal of Fluid Mechanics! 🎉
Check it out: cambridge.org/core/journal...
#JFM #Bubble #Photoelastic

Prof. Y. Tagawa has been invited to give a lecture
@MIT on September 23.
More info: math.mit.edu/pms/index.php
#MIT #WaterHammar #Strouhal

I am pleased to share that our paper “Focusing patterns of spherical particles in a viscoelastic flow through square channels” (Yamashita et al.) has been accepted for publication.
#viscoelastic

We have uploaded a new paper (Kobayashi M et al.) to
arxiv ! 🎉
Check it out here: arxiv.org/abs/2508.20702 #Research #arXiv #Photoelastic #Jeffery-Hamel

Bando's paper was selected as the Frontispiece for Small.
Check it out: dx.doi.org/10.1002/smll...
#hydrogel #ultrasound #microparticles

Kusuno's paper, "Stress field in the vicinity of a bubble/sphere moving in a dilute surfactant solution" has been accepted in the Journal of Fluid Mechanics!🎊Read it here: arxiv.org/abs/2502.06373 #JFM #Bubble #Photoelastic

📢Research review 1: Focused jet is one of our lab's representative studies. In our landmark paper @physrevx.bsky.social on this topic, we reported a method to generate "supersonic #microjets" by irradiating a liquid inside a capillary with a low-energy laser pulse.
journals.aps.org/prx/abstract...