Effects of Axial Deformation Load on In-Plane Instability of U-Shaped Bellows

Author:

Zhiming, Lu1,Jie, Jin1,Zengliang, and Gao1,Yi Qin1

Affiliation:

1. Department of Mechanical and Electrical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China

Abstract

The in-plane instability pressure of U-shaped bellows can be calculated by Expansion Joint Manufacturers Association standards formulas where only the internal pressure load is taken into account, in this paper, the effects of axial deformation load is presented. The in-plane instability tests are designed based on variety load conditions: internal pressure together with zero, tensile and compressive deformation. It is concluded that the in-plane instability critical pressure of bellows under compressive deformation is apparently lower than that under zero deformation, and the in-plane instability critical pressure of bellows under tensile deformation is higher than that under zero deformation.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Reference13 articles.

1. Standards of the Expansion Joint Manufacturers Association, 7th edition, 1998, Expansion Joint Manufacturers Association, Inc., White Plains, New York.

2. Broyles, R. K., 1989, “Bellows Instability,” Metallic Bellows and Expansion Joints, ASME PVP, 168, ASME, New York, pp. 37–43.

3. Tingxin, Li, Tianxiang, Li, and Xiaoping, Luo, 1998, “Instability of Expansion Joints Subjected to Pressure Loading,” Petro-Chemical Equipment, 27(6), pp. 9–14.

4. Jian, H., and Bingliang, G., 1992, “In-Plane Instability of U-Shaped Bellows Subjected to Pressure Loading,” Int. J. Pressure Vessels Piping, 51, pp. 229–240.

5. Thomas, R. E., 1984, “Validation of Bellows Design Criteria by Testing,” Metallic Bellows and Expansion Joint, ASME PVP, 84, ASME, New York, pp. 55–64.

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