F135 A TEMPERATURE MEASUREMENT BEHIND UNDERWATER SHOCK WAVE USING LASER-INDUCED THERMAL ACOUSTICS SIGNALS
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概要
- 論文の詳細を見る
This paper describes a non-invasive method of temperature measurement behind underwater shock waves. This technique is based on Laser-Induced Thermal Acoustics (LITA), where in two coherent pump laser beams cross at a very narrow region in water so as to create beat signals of laser beam, which results in thermal disturbances propagating at the sound speed in water. Hence by irradiating this cross-region with a probe beam, variations of sound speed at that spot can be detected. The local temperature variation can be estimated from the value of sound speed.
- 日本流体力学会の論文
- 2002-07-23
著者
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Takayama Kazuyoshi
Shock Wave Research Center Institute Of Fluid Science Tohoku University
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Mizukaki Toshiharu
Shock Wave Research Center Institute Of Fluid Science Tohoku University
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Mizukaki Toshiharu
Shock Wave Research Center. Institute Of Fluid Science Tohoku University
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Takayama Kazuyoshi
Shock Wave Research Center. Institute Of Fluid Science Tohoku University
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Gojani Ardian
Shock Wave Research Center. Institute of Fluid Science, Tohoku University
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Gojani Ardian
Shock Wave Research Center. Institute Of Fluid Science Tohoku University
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