The Fourth International Symposium on Integrated Flow Science II
Combustion Technology and Fundamentals
Co-Organizers: K. Maruta (Tohoku University), and TBD

Topics:
Energy conversion, Reactive flow dynamics

Conference Format: On-site
Online presentation may be allowed under special circumstances.

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

The Fourth International Symposium on Integrated Flow Science IV
Advanced Semiconductor and Digital Transformation
Co-Organizers: K. Endo (Tohoku University), D. Ohori (Kansai University) 

Topics:
Semiconductor, Atomic Process, Nano Device

Conference Format: On-site
Online presentation may be allowed under special circumstances.

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Quasi-droplet Science
Co-Organizers: T. Sato, K. Urashima (Tohoku University), K. Tachibana (Oita University), S. Liu (Tohoku University) 

Topics:
Nanoscale, Pre-bulk Liquid, Novel Functionality, Innovative Water Use

Conference Format: Hybrid

Oral Presentation
- Invited: 30 minutes including Q&A
- General: 15-20 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Advanced Applications of Multi-functional Fluids
Co-Organizers:H. Takana (Tohoku University), T. Fujino (University of Tsukuba), K. Doi (Toyohashi University of Technology), N. Takeuchi (Institute of Science Tokyo)

Topics:
Functional fluids, Plasma, Magnetic Fluid, ER/MR Fluid, Non-Newtonian Fluid, Ionic Liquid, Muti-phase Flow

Conference Format: On-site
Online presentations are permitted only for presenters from overseas.

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Free Flight Experiment with MSBS and Ballistic Range
Co-Organizers: K. Seo (Kogakuin University),H. Nagai (Tohoku University), K. Ueno (Iwate University)

Topics:
MSBS, Ballistic Range, Free Flight

Conference Format: Hybrid

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Advances in Computational and Experimental Aerospaces: From Numerics to Physics
Co-Organizers: Y. Abe, A. Yakeno (Tohoku University), F. D. Witherden (Texas A&M University), T. Haga (JAXA), K. Otsuka (Tohoku University), J.S. Park (Inha University), B. C. Vermeire (Concordia University), N. Tsushima (Kyushu University), S. Yatsuyanagi (JAXA)

Topics:
high-fidelity CFD/CSD schemes, hypersonics, flow transition physics, computer architectures, aeroelasticity, optimization

Conference Format: On-site
While on-site attendance is mandatory for domestic speakers, exceptions for online presentations may be granted to international speakers.

Oral Presentation
- General: 20-25 minutes including Q&A
- Invited: 50-60 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Advanced Physical Stimuli and Biological Responses: Promotion of Collaborative Research
Co-Organizers: Y.-C. Cheng (National Taiwan University), H.-Y. Angie Wang (National Tsing Hua University), C. H. Dylan Tsai (National Yang Ming Chiao Tung University), S. Liu (Tohoku University), K. Tachibana (Oita University), K. Takahashi (Iwate University), T. Sato (Tohoku University)

Topics:
Physical Stimuli, Biological Responses, Microfluidics, Plasma, and Cell-cell Communication

Conference Format: Hybrid

Oral Presentation
- 15-minutes for general talks
- 30-minutes for invited talks

Application: Everyone is welcome as long as the topic is suitable for this session.

Biomedical Flow Dynamics
Co-Organizers: H. Anzai (Tohoku University), M. Zhang(Torrens University), K. Takashima (Kyushu Institute of Technology), T. Nakayama (National Institute of Technology, Nara College), A. Qiao (Beijing University of Technology), M. Ohta (Tohoku University)

Topics:
Physiological Flows, Simulation & AI, Medical Devices & Translation

Conference Format: Hybrid

Oral Presentation
- General: 15 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Two-Phase Thermal Control Technology
Co-Organizers: K. Odagiri (JAXA), M. Nishikawara (Nagoya University), H. Nagai (Tohoku University)

Topics:
Thermal, Heat Pipe, Two-phase

Conference Format: On-site

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Microfluidics and Microphysiological Modeling
Co-Organizers: K. Funamoto (Tohoku University), T. Fukui (Kyoto Institute of Technology), T. Omori (Tohoku University), E. Corvera Poiré (National Autonomous University of Mexico)

Topics:
Microfluidics, Rheology, Microswimmers, Organ-on-a-chip

Conference Format: On-site
Online presentation is also acceptable under special circumstances.

Oral Presentation
- General: 15-20 minutes including Q&A
- Invited: 30-40 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Complex Thermofluid System
Co-Organizers: C.-Y. Chen, Y.-H. Liu, Y.-H. Liao (National Yang Ming Chiao Tung University)

Topics:
Fluid mechanics, Heat transfer, Computational fluid dynamics, Combustion, Energy, Plasma

Conference Format: On-site

Oral Presentation
- General: 15 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Flow and Energy
Co-Organizers: T. Yamagata (Niigata University), S. Iio (Shinshu University), S. Funatani (Yamanashi University), A. Komiya (Tohoku University)

Topics:
Flow control, Flow measurement, Visualization, Heat transfer

Conference Format: On-site

Oral Presentation
- General: 15 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Innovations in Oncology
Co-Organizers: C. Moyret-Lalle (Cancer Research Center of Lyon), C. Rivière (Claude Bernard University Lyon 1), J.-P. Rieu (Claude Bernard University Lyon 1), F. Hollande (The University of Melbourne), N. Aznar (Tissue Biology and Therapeutic Engineering Laboratory), K. Funamoto (Tohoku University)

Topics:
Cancer biology, Cancer organoids, Cancer Pharmacology, Drug discovery, Biomarkers

Conference Format: On-site
Online presentation is also acceptable.
Prerecorded presentations will be considered as exceptional cases.

Oral Presentation
- General: 20 minutes including Q&A (5 min.)
- Invited (if any): 40 minutes including Q&A (10 min.)

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Turbulence: from Fundamentals to Applications
Co-Organizers: Y. Hattori (Tohoku University), T. Ishihara (Okayama University), Y. Tsuji (Nagoya University), A. Yakeno (Tohoku University)

Topics:
turbulence simulations, turbulence modeling, turbulence control, turbulent boundary layers

Conference Format: Hybrid

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 or 40 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Vortex Motion
Co-Organizers: Y. Hattori (Tohoku University), S. Llewellyn Smith (UCSD)

Topics:
vortex dynamics, vortex interactions, instability, aeroacoustics

Conference Format: Hybrid

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 or 40 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Supercritical Fluid
Co-Organizer: Y. Kanda (Tohoku University), R. Yu (Chinese Academy of Science), H. Yingxue (Xi'an Jiaotong University), L. Chen (Chinese Academy of Science), A. Komiya (Tohoku University)

Topics:
Supercritical, Heat and mass transfer, Phase change

Conference Format: Hybrid

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Flow measurements using PSP/TSP technique
Co-Organizers: C.-Y. Huang (National Tsing Hua University), Y. Egami (Aichi Institute of Technology), Y. Matsuda (Waseda University), H. Nagai (Tohoku University)

Topics:
PSP, TSP, Measurement

Conference Format: On-site

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Multiphase Thermal Fluid Flow and Its Interface Dynamics
Co-Organizers: J. Okajima (Tohoku University), T. Okabe, M. Shirota (Hirosaki University)

Topics:
Multiphase flow, Bubble, Droplet, Interface, Phase change, Heat and mass transfer

Conference Format: On-site

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Multiphysics in Fluid Mechanics
Co-Organizers: M. Shigeta (Tohoku University), M. Tanaka (Kyushu University), Y. Saito (Kyushu Institute of Technology), Y. Inada (Saitama University), H. Muneoka (Tohoku University), N. Kodama (Nagoya University), H. Komen (Osaka University), M. Hirota (Sumitomo Heavy Industries, Ltd.)

Topics:
Plasma, Multiphase, Heat transfer, Electro-magneto-hydrodynamics, Material processes

Conference Format: On-site
Online presentation is unacceptable.

Oral Presentation
- General: 15 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Complex Flows
Co-Organizers: K. Funamoto (Tohou University), Y. Tagawa (Tokyo University of Agriculture and Technology), T. Tsuji (Kyoto University)

Topics:
Turbulent transport phenomena, Reactive flows, Multiphase flows, Biofluid mechanics, Magnetohydrodynamics, Micro and nanofluidics, Molecular flows

Conference Format: On-site

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 40 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Fundamentals and Applications of Thermoacoustics
Co-Organizers: T. Biwa (Tohoku University), E. Luo (Chinese Academy of Sciences), Y. Ueda (Tokyo University of Agriculture and Technology), S. Zhu (Chinese Academy of Sciences), G. Chen (Southeast University)

Topics:
thermoacoustic engines, refrigerators, power generators, combustion instability, pulse tube cryocoolers, Stirling engines, acoustic gas separation, thermoacoustic metamaterials.

Conference Format: On-site

Oral Presentation
- General: 15 minutes including Q&A
- Invited: 90 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.

Beyond ammonia: sustainable fuels and pollution issues
Organizer: P. Dagaut (CNRS)

Topics:
Combustion, Kinetics, Pollutants, Biofuels, Hydrogen, Gasification

Conference Format: Hybrid
Online presentation allowed.

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Everyone is welcome as long as the topic is suitable for this session. And person concerned / by invitation.

Liaison Office Session
Co-Organizers: M. Ohta, T. Uchimoto, T. Tokumasu, A. Komiya (Tohoku University)

Conference Format: On-site
Online presentation is also acceptable.

Application: Restricted (only related parties or invited speakers)

The 26th International Symposium on Advanced Fluid Information (AFI-2026)
IFS Collaborative Research Forum
Co-Organizers: H. Masuda, Y. Iga (Tohoku University)

Conference Format: On-site

Short Oral Presentation
- 3 minutes (no Q&A)
Poster Presentation

Application: Eligible participants only.
Those who have a IFS project code.

Singapore-Japan bilateral workshop on Sustainability
Co-Organizers: H. Zhang (National University of Singapore), Y. Morii (Tohoku University)

Topics:
Energy, Combustion, Fuel cells, Engines, hydrogen, ammonia, methanol, biofuels, sustainable aviation fuel

Conference Format: Hybrid
Online presentations are permitted only in cases of unavoidable travel restrictions (e.g., visa issues)

Oral Presentation
- General: 20 minutes including Q&A
- Invited: 30 minutes including Q&A

Application: Submissions are unrestricted, provided they fit the scope of the OS.