Non-invasive Measurement of Water Temperature by a Combined Method of Ultrasound and Laser
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- TAKAHASHI Manabu
- National Institute of Technology, Sendai College
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- IHARA Ikuo
- Nagaoka University of Technology
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- WATANABE Hirokazu
- Nagaoka University of Technology
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- ABE Masanori
- Nagaoka University of Technology
Bibliographic Information
- Other Title
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- 超音波とレーザを併用した水温の非侵襲計測
- チョウオンパ ト レーザ オ ヘイヨウ シタ スイオン ノ ヒシンシュウケイソク
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Abstract
<p>In this study, we have developed a combined method of ultrasound and laser to make non-invasive measurements of water temperature. In the proposed method, a laser Doppler vibrometer (LDV) is used to detect ultrasonic pulse waves propagating through a certain distance of water so that the ultrasonic velocity can be determined from the detected ultrasonic waves. Water temperature can then be determined from the ultrasonic velocity of the water as long as the temperature dependence of the velocity is known. In order to verify the validity of the proposed method, experiments have been performed in temperatures ranging from 3 .C to 70 .C. The results show that the water temperatures measured by the proposed method agree well with those measured using thermocouples immersed in water. In addition, an attempt to measure the temperature distribution in a water tank has been made. It is expected that the proposed method will be a promising tool to make noninvasive measurements of liquid temperature.</p>
Journal
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- Journal of The Japanese Society for Non-Destructive Inspection
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Journal of The Japanese Society for Non-Destructive Inspection 67 (9), 486-492, 2018-09-01
The Japanese Society for Non-Destructive Inspection
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Details 詳細情報について
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- CRID
- 1390564238017609472
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- NII Article ID
- 130007479483
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- NII Book ID
- AN00208370
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- NDL BIB ID
- 029237849
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- ISSN
- 03675866
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed