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Automotive Fuel Supply System Components Lab (Akihiro Sakakida)
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A lab working toward clean combustion in hydrogen engines by injecting hydrogen and water simultaneously.
AboutAbout the lab
Aiming for clean combustion in hydrogen engines
In this lab, Lecturer Akihiro Sakakida conducts research aimed at clean combustion and improved thermal efficiency in hydrogen engines.
Hydrogen engines suffer from abnormal combustion such as knocking under high load, and the lab is working to solve this problem.
Aiming to develop a two-phase flow injector that injects hydrogen and water into the engine cylinder at the same time, the lab first built a prototype direct in-cylinder hydrogen injector and is evaluating it in an engine.
In the department's faculty list, his fields of expertise are given as gasoline engines, pressure vessels, fuel cell systems, and fuel injectors.
Key terms
- Knocking
- A type of abnormal combustion that occurs inside an engine. In hydrogen engines, it becomes a problem under high load
- Two-phase flow injector
- A valve that injects hydrogen and water simultaneously from a single injector. The aim is to suppress knocking with a spray of finely atomized water
ResearchResearch themes
The lab aims to achieve both clean combustion and improved thermal efficiency in hydrogen engines. It is developing an injector that injects hydrogen and water simultaneously, while evaluating its performance in an engine in parallel.
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MembersFaculty
- LecturerAkihiro Sakakida
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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: “Unit injector late prod” Panoha / CC BY-SA 3.0 (cropped)
- Hydrogen-Water Two-Phase Flow Injector: “1975. Insecticide spray nozzle. ( )” R6, State & Private Forestry, Forest Health Protection / Public domain (cropped)
- Related lab (Tribodynamics Lab): “Argonne's Tribology Lab - Hydrogen Tribometer” Matt Howard / Public domain (cropped)
- Related lab (Molecular Tribology Lab): “6.02 Static Friction Tribometer” Wsps / CC BY-SA 3.0 (cropped)
- Related lab (Strength Evaluation and Design Lab): “ADSV-931 Mini Docking Station - LAN module - National Semiconductor LM2595S” Raimond Spekking / CC BY-SA 4.0 (cropped)
- Related lab (Aerospace Guidance and Control Lab): “SES-10 Launch - world's first reflight of an orbital class rocket ( )” SpaceX / CC0 (cropped)
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