吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (01): 128-0132.

• paper • Previous Articles     Next Articles

Measurement method for diesel nozzle internal geometry and size using high-energy synchrotron radiation X-ray

LI Zhi-long1, WU Zhi-jun1, GAO Yuan1, DENG Jun1, HU Zong-jie1, LI Li-guang1,XIAO Ti-qiao2, FU Ya-nan2, CHEN Rong-chang2   

  1. 1.School of Automobile, Tongji University, Shanghai 200092, China|2.Shanghai Synchrotron Radiation Facility, Shanghai 201203, China
  • Received:2010-03-09 Online:2011-01-01 Published:2011-01-01

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Abstract:

It is difficult to measure the internal geometry and size of diesel nozzle directly due to lack of convenient measuring method. Applying the high-energy synchrotron radiation X-ray of Shanghai synchrotron radiation facility(SSRF), nozzles were tomoscanned and high-precision three-dimensional structure models of nozzle internal geometry were obtained. According to these models, the plane angle, diameter, cone angle and chamfer radius of nozzle hole were measured successfully. The results show that the proposed measuring method can measure the internal geometry and size of injector nozzle with high precision.

Key words: technology of instrument and meter, injector, internal geometry, CT, Shanghai synchrotron radiation facility(SSRF)

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