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9733233 Numerical analysis of the collapsing cavitation cloud in the fuel injection pump for diesel engine : Masahito Shimada, Takashi Kobayashi (Zexel R&D Center), Yoichiro Matsumoto (The University of Tokyo)


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
137 KB
Volume
19
Category
Article
ISSN
0389-4304

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โœฆ Synopsis


In order to get detailed information of the noise generation from a pulsatile jet, the flow field downstream of the pipe end was numerically simulated. A shock wave is discharged and subsequently, a vortex ring and an underexpanded jet form and diffuse. The results obtained by calculation are compared with those by experiment, and good agreement was found. The relation between the noise generation and the behaviour of the vortex ring and underexpanded jet are also discussed.


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