The Proceedings of the International Conference on Power Engineering (ICOPE)
Online ISSN : 2424-2942
2009.2
Session ID : C201
Conference information
C201 A STUDY OF DIESEL NOZZLE TIP WEAR IN THE CASE OF THE FUEL DME(Erosion)
Hisaharu TAKEUCHIMasaaki KATOShuichi KAJITANIMizuho YAMAGUCHIYuuji AIHARAMasaaki TAKAHARA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
The possibility of wear reduction to the injector nozzle and of fuel leakage reduction from the injector is examined by using fatty acids and polymer type additives. The newly developed wear test equipment is used because of the implementation of an actual injector and DME as a fuel. A HFRR (High Frequency Reciprocating Rig) is also used to select a suitable concentration of additive. As a result, the blend additives are effective for reducing wear at the needle tip and decreasing the possibility of leakage to almost nothing from the injector. Furthermore, the effect of the impurities in DME is also examined in this study. A result shows the corrosion is caused by impurities of Methanol and water in DME.
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© 2009 The Japan Society of Mechanical Engineers
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