| Project/Area Number |
04650195
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
Thermal engineering
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| Research Institution | KYUSHU UNIVERSITY |
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Principal Investigator |
TAKASAKI Koji Kyushu University, Faculty of Engineering, Associate Professor, Dr, 工学部, 助教授 (30154769)
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| Project Period (FY) |
1992 – 1993
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| Project Status |
Completed (Fiscal Year 1993)
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| Budget Amount *help |
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1993: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1992: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Keywords | Spray combustion / NOx / Fuel injection / Water injection / Diesel engine / 非定常噴霧 / 燃料噴射システム / 噴射率 |
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| Research Abstract |
In this study, water injection was proposed as a means to reduce the NOx emission from unsteadily burning flames, for example, in diesel engines. New injection system with which water could be injected during the fuel injection from the same nozzle hole as fuel was developed. The injection rate of the fuel/water was measured with a self developed test rig.
As results, it was clarified that the new system had a possibility of NOx reduction without any contrary effect, because of the desirable injection rate and the increase of the spray momentum owing to the water addition.
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