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Naitoh Lab
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A lab that uses fluid dynamics to explain everything from engines to the mechanisms of life.

AboutAbout the lab
Exploring the ideal form, from engines to life
The Naitoh Lab studies a wide range of phenomena, from engines to life, using an approach called quantum statistical fluid physics.
The lab proposes operating principles for ultra-high-efficiency engines with enhanced adiabatic insulation, and for engines that use nuclear reactions that emit no radiation.
The lab also applies ideas from fluid dynamics to theories that explain how living systems work and how the economy moves.
Key terms
- Fluid dynamics
- A field of physics that deals with the motion of things that flow while changing shape, such as air and water
- Adiabatic insulation
- Preventing heat from escaping to the outside
- Nuclear reaction
- A reaction in which atomic nuclei break apart or combine, releasing energy
ResearchResearch themes
Based on the approach of quantum statistical fluid physics, the lab combines theory, numerical simulation, and experiments to study phenomena that span both non-living and living systems.
*Illustrative imageFugine: An Ultra-High-Efficiency Engine
The lab studies an ultra-high-efficiency engine in which many gas jets collide toward the center of the combustion chamber, achieving high compression and adiabatic insulation at the same time.
*Illustrative imageSimulation to Predict Turbulence
The lab analyzes how flow in a pipe turns into turbulence, using simulation and a new fluid dynamics theory that incorporates probabilistic ideas.
*Illustrative imageEngines Powered by Nuclear Reactions
Based on an original theory that deals with the splitting and merging of atomic nuclei and elementary particles, the lab studies a new type of engine that obtains power from nuclear reactions that emit no radiation.
*Illustrative imageA Theory Explaining the Structure of Life
This research uses fluid dynamics theory to explain why the molecules and organs that make up living things necessarily have the sizes and shapes they do. It covers topics such as the difference in left-right symmetry between the heart and the kidneys.
MembersFaculty
The Naitoh Lab consists of faculty members and master's and undergraduate students.As of 2026
- ProfessorKen Naitoh
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: “1-50 Scale Model Of The 80X120 Foot Wind Tunnel Model (NFAC) In The Test Section Of The 40X80 Wind Tunnel At Nasa Ames (A76-0635)” NASA Ames Research Center / Public domain (cropped)
- Fugine: An Ultra-High-Efficiency Engine: “F-1 Engine Test Firing” NASA Marshall Space Flight Center / Public domain (cropped)
- Simulation to Predict Turbulence: “Illustration of effect of Stokes number on particle in flowing air” Richard Sear / CC BY-SA 4.0 (cropped)
- Engines Powered by Nuclear Reactions: “Artificial nuclide americium-241 emitting alpha particles inserted into a cloud chamber for visualisation” Nuledo / CC BY-SA 4.0 (cropped)
- A Theory Explaining the Structure of Life: “DNA molecule closeup” Elapied / Stw (French Wikipedia) / Public domain (cropped)
- Related lab (太田研究室): “Blades of an axial compressor rotor, Deutsches Museum” Wilfredor / CC0 (cropped)
- Related lab (藤澤研究室): “CFM56 High Pressure Compressor Rotor” Nubifer / CC BY-SA 3.0 (cropped)
- Related lab (宮川研究室): “Cavitating-prop” U.S. Navy / Public domain (cropped)
- Related lab (天野研究室): “Industrial pipes and tanks at a plant in Japan - 63v )” Kenny Gil / CC BY 3.0 (cropped)
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