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Space Environment Applied Engineering Lab
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A lab that studies flames burning in low-gravity space to advance fire safety and energy.

AboutAbout the lab
Understanding how combustion works through flames in space.
The Space Environment Applied Engineering Lab studies the fundamentals of combustion using microgravity, an environment with almost no gravity.
By isolating ways of burning that cannot be seen in everyday life and examining them, the lab furthers the understanding of combustion science.
It investigates the physics of fires that occur inside spacecraft and on the ground, and also works on ensuring safety, which is the main drawback of combustion.
It also aims at applications to energy problems, such as controlling soot formation, stabilizing combustion, and using biomass fuels efficiently.
Key terms
- Microgravity
- A state in which the effect of gravity is almost absent, as inside a spacecraft. Flames do not stretch upward and take a round shape
- Flame retardancy
- How hard a material is to burn. It is evaluated by how difficult it is for fire to spread or how easily the flame goes out
- Carbon neutrality
- Bringing net carbon dioxide emissions to zero by balancing the amount emitted against the amount absorbed or removed
NewsLab news
A student received the FY2023 Dean of the Faculty of Engineering Award
A student received the Best Presentation Award from the Hokkaido Branch of the Japan Society of Mechanical Engineers
ResearchResearch themes
The main themes are a fundamental understanding of combustion phenomena in microgravity, the physics of fires inside spacecraft and on the ground and ensuring fire safety, and contributing to energy problems based on an understanding of combustion. The lab works on fire safety research for crewed exploration of the Moon and Mars, and on ammonia combustion research toward carbon neutrality.
*Illustrative imageFire Safety Under Various Gravity Levels
To support the Artemis program, which aims at crewed exploration of the Moon and Mars, the lab develops methods to evaluate the fire safety of solid materials under various gravity environments.
*Illustrative imageDeveloping Ammonia Combustion Technology
The lab develops technology for burning ammonia, toward realizing a carbon-neutral society.
*Illustrative imageEvaluating the Flame Retardancy of Materials Used in Space
Aiming to establish methods for evaluating the flame retardancy of materials used in living spaces in space, the lab conducts research in cooperation with space agencies of various countries and universities in Japan and abroad (FLARE).
*Illustrative imageBurning Behavior of Composite Materials Combining Different Materials
The lab investigates the combustion characteristics of composite materials that combine a non-combustible material such as metal with a combustible solid, varying the type and shape of the materials (FLARE-2).
MembersFaculty
The members of the Space Environment Applied Engineering Lab consist of faculty, secretaries, and doctoral, master's, and undergraduate students.
- ProfessorNozomu Hashimoto
- Associate ProfessorYusuke Konno
- Project Assistant ProfessorXia Yu
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Candle Flame in Microgravity” NASA / Public domain (cropped)
- Fire Safety Under Various Gravity Levels: “SoFIE-RTDFS (jsc2025e000001)” NASA Johnson Space Center / Public domain (cropped)
- Developing Ammonia Combustion Technology: “Gas flame” George Shuklin / Public domain (cropped)
- Evaluating the Flame Retardancy of Materials Used in Space: “SoFIE-MIST Imagery (jsc2024e053516)” NASA Johnson Space Center / Public domain (cropped)
- Burning Behavior of Composite Materials Combining Different Materials: “Olson Microgravity Flame” NASA / Public domain (cropped)
- Related lab (計算流体工学・宇宙輸送工学): “LES Turbulent Velocity Field” Charlesreid1 / CC BY-SA 3.0 (cropped)
- Related lab (マイクロバイオメカニクス): “Fibroblastid” Heiti Paves / CC BY-SA 3.0 (cropped)
- Related lab (熱流体物理学): “Drop-impact” Roger McLassus / CC BY-SA 3.0 (cropped)
- Related lab (プラズマ環境プロセス): “Plasma-lamp 2” Luc Viatour / CC BY-SA 3.0 (cropped)
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