This study proposes a method to measure pressure pulsations in piping systems easily and directly for their accurate evaluation of occurrence location and pressure amplitude. In the proposed method, the pulsations were estimated by combining the strain measurement result on the pipe outer surface with the calculated formula result for thick-walled cylinders. The proposed method was validated experimentally using a mock-up piping system. It was demonstrated that the method could measure the amplitudes and behavior of pressure pulsations with a practical accuracy. The factors influencing the measurement accuracy of the method were also discussed. The method is expected to contribute to more efficient plant maintenance to prevent fatigue failure of piping and plant components because the pulsations that the method measures are the main cause of vibration fatigue and acoustic noise in piping systems.
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June 2016
Research-Article
A Simple Measurement Method of Pressure Pulsations Using Outer Surface Strain in Piping Systems
Akira Maekawa,
Akira Maekawa
Institute of Nuclear Safety System, Inc.,
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: maekawa@inss.co.jp;
maekawa.akira@e3.kepco.co.jp
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: maekawa@inss.co.jp;
maekawa.akira@e3.kepco.co.jp
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Takashi Tsuji,
Takashi Tsuji
The Kansai Electric Power Co., Inc.,
13-8 Goichi, Mihama-cho,
Mikata-gun,
Fukui 919-1141, Japan
e-mail: tsuji.takashi@e4.kepco.co.jp
13-8 Goichi, Mihama-cho,
Mikata-gun,
Fukui 919-1141, Japan
e-mail: tsuji.takashi@e4.kepco.co.jp
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Tsuneo Takahashi,
Tsuneo Takahashi
Institute of Nuclear Safety System, Inc.,
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: takahashi.tsuneo@inss.co.jp;
takahashi_tsuneo@khi.co.jp
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: takahashi.tsuneo@inss.co.jp;
takahashi_tsuneo@khi.co.jp
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Minoru Kato
Minoru Kato
Kobelco Research Institute, Inc.,
1-5-5 Takatsukadai,
Nishi-ku,
Kobe 651-2271, Japan
e-mail: kato.minoru@kki.kobelco.com
1-5-5 Takatsukadai,
Nishi-ku,
Kobe 651-2271, Japan
e-mail: kato.minoru@kki.kobelco.com
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Akira Maekawa
Institute of Nuclear Safety System, Inc.,
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: maekawa@inss.co.jp;
maekawa.akira@e3.kepco.co.jp
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: maekawa@inss.co.jp;
maekawa.akira@e3.kepco.co.jp
Takashi Tsuji
The Kansai Electric Power Co., Inc.,
13-8 Goichi, Mihama-cho,
Mikata-gun,
Fukui 919-1141, Japan
e-mail: tsuji.takashi@e4.kepco.co.jp
13-8 Goichi, Mihama-cho,
Mikata-gun,
Fukui 919-1141, Japan
e-mail: tsuji.takashi@e4.kepco.co.jp
Tsuneo Takahashi
Institute of Nuclear Safety System, Inc.,
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: takahashi.tsuneo@inss.co.jp;
takahashi_tsuneo@khi.co.jp
64 Sata, Mihama-cho,
Mikata-gun,
Fukui 919-1205, Japan
e-mails: takahashi.tsuneo@inss.co.jp;
takahashi_tsuneo@khi.co.jp
Minoru Kato
Kobelco Research Institute, Inc.,
1-5-5 Takatsukadai,
Nishi-ku,
Kobe 651-2271, Japan
e-mail: kato.minoru@kki.kobelco.com
1-5-5 Takatsukadai,
Nishi-ku,
Kobe 651-2271, Japan
e-mail: kato.minoru@kki.kobelco.com
1Corresponding author.
2Present address: The Kansai Electric Power Co., Inc., 13-8 Goichi, Mihama-cho, Mikata-gun, Fukui 919-1141, Japan.
3Present address: Kawasaki Heavy Industries, Ltd., 3-1-1 Higashikawasaki-cho, Chuo-ku, Kobe 650-8670, Japan.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received January 25, 2015; final manuscript received February 6, 2016; published online March 11, 2016. Assoc. Editor: Allen C. Smith.
J. Pressure Vessel Technol. Jun 2016, 138(3): 031702 (10 pages)
Published Online: March 11, 2016
Article history
Received:
January 25, 2015
Revised:
February 6, 2016
Citation
Maekawa, A., Tsuji, T., Takahashi, T., and Kato, M. (March 11, 2016). "A Simple Measurement Method of Pressure Pulsations Using Outer Surface Strain in Piping Systems." ASME. J. Pressure Vessel Technol. June 2016; 138(3): 031702. https://doi.org/10.1115/1.4032785
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