25th Annual Conference of ILASS-Asia
&
35th Symposium (ILASS-Japan) on Atomization

1．Organizers	ILASS-Japan ILASS-Asia The Japan Institute of Energy
2．Event Dates	December 15 – 16, 2026 (25th ILASS-Asia) December 16 – 17, 2026 (35th Symposium (ILASS-Japan) on Atomization)
3．Venue	【Conference Venue】　Okayama Convention Center 　　14-1 Ekimoto-machi, Kita-ku, Okayama 700-0024, Japan 　　https://www.mamakari.net/en/access/ 【Banquet (on December 16, 2026)】　Okayama Castle 　　2-3-1 Marunouchi, Kita-ku, Okayama 700-0823, Japan 　　https://okayama-castle.jp/home-en/
4．Topics	Atomization/Atomizers-Experimental Liquid Drops, Interfaces, and Spray Impingements Atmospheric, Agricultural, and Medical Sprays Nozzle Flows / Internal Flows Phase-Changing Sprays and Gaseous Jets Fuel Sprays and Combustion Diagnostic Techniques Materials Processing and Manufacturing Numerical & Modeling Methods of Sprays and Atomization Artificial Intelligence in Spray Applications
5．Schedule	Abstract submission due Notification of acceptance of abstract Draft manuscript submission due Notification of acceptance of draft manuscript Final manuscript submission	July 17, 2026 July 31, 2026 September 11, 2026 October 9, 2026 October 30,2026
6．Registration	Fee for 25th ILASS-Asia in Japanese Yen (JPY)
	■Early-bird registration 　　(on or before November 27, 2026) 　■Regular registration	General 15,000 JPY, Student 5,000 JPY General 20,000 JPY, Student 10,000 JPY
	Fee for Banquet (On December16)
	■Early-bird registration 　　(on or before November 27,2026) ■Regular registration	10,000JPY (Everyone) 12,000JPY (Everyone)
Due date for application and payment	■Early-bird registration ■Regular registration	November 27th(Friday) December 7th(Monday)
7．Abstract / 　paper submission	The organizing committee of ILASS-Asia 2026 requests authors to submit an abstract (approximately 300 words) and a full paper in English. Both the abstract and the full paper will undergo a preliminary review to ensure suitability for presentation. Full paper: minumum 4 pages, maximum 8 pages Up to ten selected papers will be recommended for Gold Open Access publication in the journal Atomization and Sprays. Please be aware that these papers are subjected to the journal's peer-review process.
8．Presentation	20 min per person (15 min for presentation, 5 min for discussion)
9．Organizing Committee:
Chair 　　　　Secretary	Nobuyuki Kawahara,　Okayama University 　Yoshimitsu Kobashi, 　Okayama University 　Chihiro Inoue,　　　　Kyushu University 　Tsukasa Hori, 　　　　Doshisha University 　Takehiko Seo,　　　　Kindai University 　Motohiro Oshima,　　Toyama Prefectual University 　Keisuke Komada,　　 Fukuoka Institute of Technology

For Presenters

If you wish to present at ILASS-Asia, please click the blue button above to proceed with abstract submission.

Please click the button above to download the manuscript templete.

Registration

If you wish to register for ILASS-Asia + Japan and the banquet, please click the pink button above.

※Participants attending only ILASS-Japan are requested to register through a separate website,

　which will be announced later.

Payment

Those who have registered for ILASS-Asia should make their payment via the green button above within the payment deadline.

Cancellation Policy

Notice of cancellation must be submitted in writing to the Conference Secretariat (Ilass2026(a)jie.or.jp ⇒Please replace (a) with@).

Cancellation fees will be changed according to the date on which the Secretariat receives the written notice.

Cancellation Policy for Registration
A full refund will be issued for cancellations received by December 7, 2026. No refunds will be issued for cancellations received on or after December 8, 2026.
Cancellation Policy for Banquet Participation
A full refund will be issued for cancellations received by December 7, 2026. No refunds will be issued for cancellations received on or after December 8, 2026.