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http://dx.doi.org/10.7735/ksmte.2012.21.2.337

Vibrational Characteristics of the Gas Pipelines Conveying Flow  

Kim, Kyung-Tae (건국대학교 기계설계학과)
Lee, Sung-Soo (건국대학교 기계설계학과)
Lee, Seong-Woo (건국대학교 기계설계학과)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.21, no.2, 2012 , pp. 337-343 More about this Journal
Abstract
This work investigates the vibrational characteristics of the underground gas pipelines. Experiments were conducted to analyze the effects of various parameters on the vibrational characteristics from the emergency detection point of view. Influences of the various types of impact exerted on the pipe, height of free fall and measuring locations were analyzed. Especially, the difference between the vibrational signal generated by the direct impact on the pipe and the ambient noise was successfully identified. To validate the experimental observation, computer simulation was also performed with constant properties(elasticity, fluid velocity and internal pressure) which are directly conjectured from the accompanying experiment with a real pipe system.
Keywords
Gas pipeline; Vibrational characteristics; Impact; Frequency range; Ambient noise;
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