Title:
温度測定装置及び温度測定方法
Document Type and Number:
Japanese Patent JP6979704
Kind Code:
B2
Abstract:
The present invention provides technology that is capable of measuring temperature of a gas, and particularly temperature of a gas that contains water vapor, in a non-contact manner and with good precision. A spectroscopic unit 10 acquires at least a light intensity in a first wavelength band and a light intensity in a second wavelength band, from radiated light from water vapor that is an object to be measured. The first wavelength band and the second wavelength band are both near infrared region bands. A central wavelength of the first wavelength band and a central wavelength of the second wavelength band are set to be mutually different values. A temperature calculation unit 20 calculates temperature of water vapor using a ratio of light intensity in the first wavelength band to light intensity in the second wavelength band.
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Inventors:
Nakatani Tatsuji
Mitsuhiro Tsue
Mitsuhiro Tsue
Application Number:
JP2019087289A
Publication Date:
December 15, 2021
Filing Date:
May 07, 2019
Export Citation:
Assignee:
National University Corporation Tokyo University
International Classes:
G01J5/00; G01J5/48; G01J5/60
Domestic Patent References:
| JP2013148367A | ||||
| JP2003322568A | ||||
| JP2014149263A | ||||
| JP2004045268A | ||||
| JP2012007890A | ||||
| JP2009174990A | ||||
| JP2012057623A |
Foreign References:
| WO2005095914A1 |
Other References:
島田駿弥,CO2およびH2Oを媒質とした超音速排気ジェットのふく射2色温度測定,第58回宇宙科学技術連合講演会講演集,2014年11月12日,pp.1-5(2J05)
山下巌 ほか,水素-酸素燃焼により生成される高温水蒸気流の応用と分光学的温度計測法に関する研究,東京電機大学 総合研究所年報,東京電機大学総合研究所,1997年05月31日,Vol.16,pp.87-94
山下巌 ほか,水素-酸素燃焼により生成される高温水蒸気流の応用と分光学的温度計測法に関する研究,東京電機大学 総合研究所年報,東京電機大学総合研究所,1997年05月31日,Vol.16,pp.87-94
Attorney, Agent or Firm:
Shigeo Naruse