RU2015123313A - The method of spectral brightness pyrometry of objects with a non-uniform surface temperature - Google Patents

The method of spectral brightness pyrometry of objects with a non-uniform surface temperature Download PDF

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Publication number
RU2015123313A
RU2015123313A RU2015123313A RU2015123313A RU2015123313A RU 2015123313 A RU2015123313 A RU 2015123313A RU 2015123313 A RU2015123313 A RU 2015123313A RU 2015123313 A RU2015123313 A RU 2015123313A RU 2015123313 A RU2015123313 A RU 2015123313A
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Russia
Prior art keywords
objects
surface temperature
uniform surface
spectral brightness
calculate
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RU2015123313A
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Russian (ru)
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RU2616937C2 (en
Inventor
Игорь Павлович Гуляев
Алексей Викторович Долматов
Павел Юрьевич Гуляев
Марина Петровна Бороненко
Original Assignee
Игорь Павлович Гуляев
Алексей Викторович Долматов
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Priority to RU2015123313A priority Critical patent/RU2616937C2/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry

Claims (4)

Способ спектрально-яркостной пирометрии объектов с неоднородной температурой поверхности, включающий регистрацию изображения участка поверхности излучающего объекта на выбранной длине волны
Figure 00000001
, отличающийся тем, что одновременно регистрируют спектр суммарного теплового излучения того же участка поверхности объекта
Figure 00000002
 в диапазоне, включающем
Figure 00000001
, по зарегистрированному изображению определяют все уровни сигнала
Figure 00000003
, соответствующие элементам поверхности объекта с температурами
Figure 00000004
, где
Figure 00000005
, вычисляют опорное значение сигнала по следующей формуле:The method of spectral brightness pyrometry of objects with a non-uniform surface temperature, including recording an image of a surface area of a radiating object at a selected wavelength
Figure 00000001
 , characterized in that at the same time register the spectrum of the total thermal radiation of the same surface area of the object
Figure 00000002
 in the range including
Figure 00000001
 , the registered image determines all signal levels
Figure 00000003
 corresponding to surface elements of the object with temperatures
Figure 00000004
 where
Figure 00000005
 calculate the reference value of the signal according to the following formula:
Figure 00000006
,
Figure 00000006
 , по зарегистрированному спектру суммарного теплового излучения объекта с использованием вспомогательных координат
Figure 00000007
, где
Figure 00000008
,
Figure 00000009
 – постоянная Планка,
Figure 00000010
 – скорость света в вакууме,
Figure 00000011
 – постоянная Больцмана, вычисляют опорное значение температуры
Figure 00000012
в точке
Figure 00000013
, после чего множество температур
Figure 00000014
 элементов поверхности объекта вычисляют по следующей формуле:the recorded spectrum of the total thermal radiation of the object using auxiliary coordinates
Figure 00000007
 where
Figure 00000008
 ,
Figure 00000009
 - Planck constant,
Figure 00000010
 Is the speed of light in vacuum,
Figure 00000011
 - Boltzmann constant, calculate the reference temperature
Figure 00000012
 at the point
Figure 00000013
 followed by many temperatures
Figure 00000014
 surface elements of an object are calculated by the following formula:
Figure 00000015
.
Figure 00000015
 .
RU2015123313A 2015-06-17 2015-06-17 Method of spectral-brightness pyrometry of objects with nonhomogeneous surface temperature RU2616937C2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2715089C1 (en) * 2019-08-07 2020-02-25 федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") Method of contactless measurement of spatial distribution of temperature and emissivity of object
EA039507B1 (en) * 2020-12-14 2022-02-04 Белорусский Государственный Университет (Бгу) Method for determination of temperature field of the heated body surface with unknown radiant heat factor

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US5109277A (en) * 1990-06-20 1992-04-28 Quadtek, Inc. System for generating temperature images with corresponding absolute temperature values
UA44416U (en) * 2009-01-20 2009-10-12 Одесский Национальный Университет Имени И.И.Мечникова Method for determination of local brightness temperature in separate points of hot body and disctibution of brightness temperature by surface of hot body
RU2515086C1 (en) * 2012-11-19 2014-05-10 Федеральное государственное бюджетное учреждение науки Институт геологии и минералогии им. В.С. Соболева Сибирского отделения Российской академии наук (Институт геологии и минералогии СО РАН, ИГМ СО РАН) Pyrometric method of measuring temperature distribution on surface of object

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