Effect of pressurization on helical guided wave energy velocity in fluid-filled pipes

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• 作者：Brennan Dubuc ^{bdubuc@utexas.edu} ; Arvin Ebrahimkhanlou ^{arvinebr@utexas.edu} ; Salvatore Salamone ; ^{salamone@utexas.edu}
• 关键词：Helical guided waves ; Acoustoelasticity ; Leaky Lamb waves ; Energy velocity ; Thin-walled pipes
• 刊名：Ultrasonics
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：75
• 期：Complete
• 页码：145-154
• 全文大小：969 K
• 卷排序：75

文摘

Theory of acoustoelastic leak Lamb waves presented. Energy velocity of acoustoelastic leaky Lamb waves derived. Energy velocity direction-dependent and varies linearly with respect to pressurization (stress). Theory compared to experimental helical guided wave measurements in pressurized pipe.