Determination of a response function of a thermocouple using a short acoustic pulse |
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| Authors: | Tashiro Yusuke Biwa Tetsushi Yazaki Taichi |
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| Institution: | Department of Crystalline Materials Science, Nagoya University, Nagoya, Japan. tashiro@mizu.xtal.nagoya-u.ac.jp |
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| Abstract: | This paper reports on an experimental technique to determine a response function of a thermocouple using a short acoustic pulse wave. A pulse of 10 ms is generated in a tube filled with 1 bar helium gas. The temperature is measured using the thermocouple. The reference temperature is deduced from the measured pressure on the basis of a laminar oscillating flow theory. The response function of the thermocouple is obtained as a function of frequency below 50 Hz through a comparison between the measured and reference temperatures. |
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