2016•Sealing TechnologyRequires access

Experimental study: correcting the calculation formula for a welded metal bellows' effective diameter

Xian Zhang, Yongmei Ma, Hanyang Zou, Shuai Tao, Qingcheng Zhang, Erqing Zhang

Abstract

Calculation formulae for the effective diameter of bellows have been the subject of past studies, but very few of these have covered the calculation formula for the S-shaped welded metal bellows' effective diameter. This article describes research that looks at the effects of medium pressure on the S-shaped welded metal bellows' effective diameter, using an experimental set-up. Change rules of the effective diameter under different medium pressures were obtained and are discussed. By using curvilinear and linear regression methods, a new corrected calculation formula was obtained and its accuracy verified.

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Available abstract

Key concepts: Bellows, Welding, Materials science, Structural engineering, Engineering, Forensic engineering, Mechanical engineering, Composite material