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Engine Systems Lab
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A lab exploring next-generation internal combustion engines through experiments and computation.

AboutAbout the lab
Exploring next-generation internal combustion engines in an era of energy transformation
The Engine Systems Lab studies next-generation internal combustion engines by combining experimental investigation of phenomena with numerical simulation.
The lab works on advanced combustion technologies such as HCCI, pulse jet ignition, and hydrogen and ammonia combustion, as well as fundamental phenomena such as diesel sprays, droplet combustion, and soot formation, and links them with numerical computation and modeling.
The lab takes on the challenges of clean, high-efficiency next-generation engines.
Key terms
- HCCI
- Homogeneous Charge Compression Ignition. A combustion method in which a premixed gas is compressed until it ignites on its own
- Pulse jet ignition
- The lab's own ignition technology, which it is using to try to control the ignition timing of HCCI engines
- Soot
- Particles formed during combustion. Regarded as a problem for aircraft engines
ResearchResearch themes
By combining experiments that elucidate phenomena with numerical analysis through simulation, the lab tackles the challenges of clean, high-efficiency next-generation engines. Across three research areas (advanced combustion technology, elucidation of fundamental phenomena, and numerical computation), it works on a wide range of themes, from fundamental studies of droplets and burner flames to building engine combustion control technology.
*Illustrative imageCombustion control by pulse jet ignition
The lab is trying to control the ignition timing of HCCI engines with its own ignition technology.
*Illustrative imageHigher power output and lower NOx in hydrogen engines
The lab conducts research to improve power output and exhaust emissions, which are the key challenges of hydrogen engines.
*Illustrative imageMixture formation in diesel sprays
The lab investigates the mixing process between air and fuel spray, which governs diesel combustion.
*Illustrative imageCool-flame ignition of droplets and microgravity combustion
As fundamental research on spray combustion, the lab studies the ignition and combustion of droplets.
MembersFaculty
The members of the Engine Systems Lab consist of faculty, technical staff, administrative assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorOsamu Moriue
- Associate ProfessorShion Ando
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: “Rear Piston Of Mario Kleff's Custom V-twin Pro Street Motorcycle Engine” Designer Mario Kleff / CC BY-SA 4.0 (cropped)
- Combustion control by pulse jet ignition: “Pratt and Whitney R-4360 cylinder head cutout” Votpuske / CC BY 4.0 (cropped)
- Higher power output and lower NOx in hydrogen engines: “Black Country Living Museum - display on narrowboat Ross Barlow - geograph.org.uk - 4203141” Chris Allen / CC BY-SA 2.0 (cropped)
- Mixture formation in diesel sprays: “Manege Station exhibition. Diesel bus parts 02” Retired electrician / CC0 (cropped)
- Cool-flame ignition of droplets and microgravity combustion: “ISS-49 Kate Rubins works with the Multi-user Droplet Combustion Apparatus” NASA / Public domain (cropped)
- Related lab (反応性ガス力学研究室): “Flame from the burner of a gas stove” BogTar201213 / CC BY-SA 4.0 (cropped)
- Related lab (熱物理工学研究室): “Thermal Conductivity Measurement, Modified Transient Plane Source Technique” JimRocket / CC BY-SA 3.0 (cropped)
- Related lab (先進水素システム研究室): “Giant prominence on the sun erupted” NASA/SDO/AIA/Goddard Space Flight Center / Public domain (cropped)
- Related lab (機械力学研究室): “A medical ultrasound linear array probe, scan head, transducer” Harrison Keely / CC BY 4.0 (cropped)
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