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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2012, Vol. 13 Issue (9): 665-673    DOI: 10.1631/jzus.A1200047
Mechanical Engineering     
Containment of high-speed rotating disk fragments
Hai-jun Xuan, Lu-lu Liu, Yi-ming Feng, Qing He, Juan-juan Li
High-Speed Rotating Machinery Laboratory, Institute of Chemical Machinery, Faculty of Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  Disk burst accidents sometimes happen in aeroengines. To avoid tragic consequences, aeroengine casings must have sufficient containment capability. Experiments and simulations need to be conducted to study the impact, distortion, and perforation caused by disk burst and which may give important clues to potential failure mechanisms. This paper presents some containment tests of high-speed rotating disk fragments, in which the original disks were burst into three equal fragments within a predetermined rotating speed range. The failure modes of the containment casing varied significantly with the thickness of the containment casing. Shearing, tearing, tensile fracture, and large plastic stretching deformation occurred in a thin-walled containment casing, while a thick-walled casing could contain disk fragments and withstand large plastic deformation. Numerical simulations were carried out to study the impact process and failure modes further. Good agreement was found between the results of the simulations and the tests.

Key wordsAeroengine      Disk fragments      Engine casing      Containment capability      Numerical simulation     
Received: 22 February 2012      Published: 30 August 2012
CLC:  V232.3  
Cite this article:

Hai-jun Xuan, Lu-lu Liu, Yi-ming Feng, Qing He, Juan-juan Li. Containment of high-speed rotating disk fragments. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2012, 13(9): 665-673.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1200047     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2012/V13/I9/665

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