Relevant bibliographies by topics / Brightness pyrometry

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Conference papers

Academic literature on the topic 'Brightness pyrometry'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Brightness pyrometry"

1

Gulyaev, I. P., and A. V. Dolmatov. "Spectral-brightness pyrometry: Radiometric measurements of non-uniform temperature distributions." International Journal of Heat and Mass Transfer 116 (January 2018): 1016–25. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.09.084.

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2

Karachinov, V. A., S. B. Toritsin, and D. V. Karachinov. "A system for brightness pyrometry of objects via a water streak." Instruments and Experimental Techniques 53, no. 2 (March 2010): 305–6. http://dx.doi.org/10.1134/s0020441210020284.

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3

Ludanov, Konstantin. "Analytical Solutions in the Framework of Brightness and Color Spectral Pyrometry Methods." World Journal of Applied Physics 4, no. 3 (2019): 35. http://dx.doi.org/10.11648/j.wjap.20190403.11.

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4

Lapshinov, B. A., and A. V. Mamontov. "High-temperature spectral thermometry in conditions of intense microwave electromagnetic fields." Izmeritel`naya Tekhnika, no. 9 (2020): 54–59. http://dx.doi.org/10.32446/0368-1025it.2020-9-54-59.

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In this paper, a practical application variant of the high-temperature spectral thermometry method for controlling the temperature of a dielectric object heated in a high-intensity microwave electromagnetic field is proposed. The advantages of using the spectral pyrometry method over the methods of color and brightness pyrometry when registering high temperatures (from 500 °C and above) are described. The optical fiber cable used in this method, which receives thermal radiation from an object heated in the microwave field, is subject to the negative influence of the electromagnetic field, which leads to its unacceptable heating and failure. To eliminate this phenomenon, a non-standard use of an cutoff waveguide placed not outside, but inside the microwave heating chamber is proposed. It is shown that this solution completely eliminates the negative influence of the electromagnetic field on the fiber optic cable and allows placing the receiving end of the cable in close proximity to the object being heated. The calculation of geometric parameters of the cutoff waveguide for the operating frequency of the electromagnetic field of 2450 MHz is given.
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5

Dolmatov, A. V., I. P. Gulyaev, P. Yu Gulyaev, and V. I. Iordan. "Control of dispersed-phase temperature in plasma flows by the spectral-brightness pyrometry method." IOP Conference Series: Materials Science and Engineering 110 (February 23, 2016): 012058. http://dx.doi.org/10.1088/1757-899x/110/1/012058.

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6

Garkol', D. A., P. Yu Gulyaev, V. V. Evstigneev, and A. V. Mukhachev. "A new high-speed brightness pyrometry method to investigate self-propagating high-temperature synthesis." Combustion, Explosion, and Shock Waves 30, no. 1 (January 1994): 72–76. http://dx.doi.org/10.1007/bf00787888.

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7

Vol'pe, B. M., D. A. Garkol', V. V. Evstigneev, I. V. Milyukova, and G. V. Saigutin. "Investigation of reaction in an Ni−Al−Cr SHS system based on high-temperature brightness pyrometry." Combustion, Explosion, and Shock Waves 31, no. 5 (September 1995): 550–54. http://dx.doi.org/10.1007/bf00743806.

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8

Vol'pe, B. M., D. A. Garkol', V. V. Evstigneev, and A. B. Mukhachev. "Interaction of the nickel-aluminum system in an SHS process as studied by means of high-temperature brightness pyrometry." Combustion, Explosion, and Shock Waves 30, no. 3 (May 1994): 319–25. http://dx.doi.org/10.1007/bf00789424.

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9

A. Bordzilovsky, Sergey, and Sergey M. Karakhanov. "The Temperature Measurements of Polymethyl Methacrylate Under Shock Loading." Siberian Journal of Physics 6, no. 1 (March 1, 2011): 116–22. http://dx.doi.org/10.54362/1818-7919-2011-6-1-116-122.

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The brightness temperature was measured in polymethyl methacrylate shocked to 35 GPa by means of the fast two wavelengths optical pyrometer. The calibration of the pyrometer was performed by using a standard tungsten ribbon incandescent lamp prior to each shot. The measured brightness temperature at the wavelength λ = 550 nm was Tb = (1540 ± 30) K and at the wavelength λ = 630 nm it was Tb = (1510 ± 110) K. The results were compared with the temperature calculations obtained from different polymethyl methacrylate equations of state. The absorption coefficient of the shocked polymethyl methacrylate (α = 2.5 mm–1) was determined by using the time dependences in the pyrometric signals
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10

Vashchenko, P. V., S. S. Boldova, and V. A. Labusov. "High-speed spectral pyrometer based on a «Kolibri-2» spectrometer." Industrial laboratory. Diagnostics of materials 85, no. 1II) (February 15, 2019): 122–25. http://dx.doi.org/10.26896/1028-6861-2019-85-1-ii-122-125.

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The operation speed of commercially available spectral-ratio pyrometers and brightness pyrometers often appears insufficient for control of fast-changing temperature (e.g., in a graphite cell of an AES electrothermal atomizer, the rate temperature change is 104°C/sec). An advantage of spectral pyrometers is high speed and ability to measure the temperature of objects with unknown emissivity. The goal of this study is to develop a high-speed spectral pyrometer based on a «Kolibri-2» spectrometer with BLPP-2000 photodetector array that provides a wide working wavelength range 400 – 1050 nm, and minimum basic exposure time of 0.4 msec. The temperature was calculated by plotting the emission spectrum of the object in Wien coordinates (with allowance for calibration of the spectral pyrometer using radiation source of the known temperature) and measuring slope of the obtained graph. The relative error of temperature measurements on a spectral pyrometer estimated by comparing measurement results and data obtained with a calibrated Termokont-TN5S1M (Termokont company) single-channel pyrometer was not more than 1.5% in a temperature range of 1000 — 2400°C and higher, and rapidity up to 2500 measurements/sec. The results of measuring temperature of the graphite cell of the electrothermal atomizer using a spectral pyrometer during sample atomization at a rate of temperature change up to 10 000°C/sec are presented.
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Dissertations / Theses on the topic "Brightness pyrometry"

1

Славков, Віктор Миколайович. "Розробка цифрового фотографічного методу теплового контролю металів при високих температурах." Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17036.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.11.13 - прилади і методи контролю та визначення складу речовин. Національний технічний університет "Харківський політехнічний інститут", Харків, 2015 р. Дисертацію присвячено розробці методу теплового контролю металів при температурах понад 600 °С із використанням, у якості детектора теплового випромінювання, цифрового фотоапарата. На основі встановлених теоретичних положень методу розроблені програмні алгоритми обробки цифрових зображень, що дозволили: провести процедуру калібрування цифрового фотоапарата у діапазоні яскравісних температур 500…1800 °С та встановити калібрувальні залежності у вигляді математичних рівнянь; здійснити тепловий контроль металевих пластин, об'ємних металевих зразків та встановити присутні в них дефекти; вирішити додаткові задачі теплового контролю металів, а саме встановити значення питомої масової теплоємності металу; моделювати рівномірні температурні поля на поверхні металевих пластин; встановити розподілення коефіцієнта теплового випромінювання поверхні металевих пластин.
Thesis for granting the Degree of Candidate of Technical sciences in speciality 05.11.13 - devices and methods of testing and materials composition determination. - National Technical University "Kharkiv Politechnical Institute", Kharkiv, 2015. The dissertation is devoted to development of a thermal control metals method at temperatures above 600 °C using as thermal radiation detector, digital camera. On the basis of the established method of theoretical positions were developed software algorithms for digital image processing that allowed: to carry a digital camera calibration brightness temperature in the range of 500...1800 °C and set the calibration curve in the form of mathematical equations; perform thermal control of metal plates, bulk metallic samples and established the presence of defects; to solve additional tasks of thermal metals control, namely to establish the value of the specific heat capacity of the metal mass; simulate uniform temperature field on the surface of the metal plates; determine the distribution coefficient of thermal radiation from the metal plates surface.
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Славков, Віктор Миколайович. "Розробка цифрового фотографічного методу теплового контролю металів при високих температурах." Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17002.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.11.13 - прилади і методи контролю та визначення складу речовин. Національний технічний університет "Харківський політехнічний інститут", Харків, 2015 р. Дисертацію присвячено розробці методу теплового контролю металів при температурах понад 600 °С із використанням, у якості детектора теплового випромінювання, цифрового фотоапарата. На основі встановлених теоретичних положень методу розроблені програмні алгоритми обробки цифрових зображень, що дозволили: провести процедуру калібрування цифрового фотоапарата у діапазоні яскравісних температур 500…1800 °С та встановити калібрувальні залежності у вигляді математичних рівнянь; здійснити тепловий контроль металевих пластин, об'ємних металевих зразків та встановити присутні в них дефекти; вирішити додаткові задачі теплового контролю металів, а саме встановити значення питомої масової теплоємності металу; моделювати рівномірні температурні поля на поверхні металевих пластин; встановити розподілення коефіцієнта теплового випромінювання поверхні металевих пластин.
Thesis for granting the Degree of Candidate of Technical sciences in speciality 05.11.13 - devices and methods of testing and materials composition determination. - National Technical University "Kharkiv Politechnical Institute", Kharkiv, 2015. The dissertation is devoted to development of a thermal control metals method at temperatures above 600 °C using as thermal radiation detector, digital camera. On the basis of the established method of theoretical positions were developed software algorithms for digital image processing that allowed: to carry a digital camera calibration brightness temperature in the range of 500...1800 °C and set the calibration curve in the form of mathematical equations; perform thermal control of metal plates, bulk metallic samples and established the presence of defects; to solve additional tasks of thermal metals control, namely to establish the value of the specific heat capacity of the metal mass; simulate uniform temperature field on the surface of the metal plates; determine the distribution coefficient of thermal radiation from the metal plates surface.
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Books on the topic "Brightness pyrometry"

1

R, Waters William. Radiance temperature calibrations. Gaithersburg, MD: U.S. Dept. of Commerce, National Bureau of Standards, 1987.

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R, Waters William. Radiance temperature calibrations. Gaithersburg, MD: U.S. Dept. of Commerce, National Bureau of Standards, 1987.

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3

Gibson, Charles Edmund. Radiance temperature calibrations. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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Gibson, Charles Edmund. Radiance temperature calibrations. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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Radiance temperature calibrations. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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6

K, Tsai Benjamin, Parr A. C, and National Institute of Standards and Technology (U.S.), eds. Radiance temperature calibrations. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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Conference papers on the topic "Brightness pyrometry"

1

Volodin, Lev, and Alexander Kamrukov. "Investigation of the Temperature and Radiative Characteristics of Long-Lived Plasma-Vortex Formations by the Method of High-Speed Brightness Pyrometry." In 2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE). IEEE, 2020. http://dx.doi.org/10.1109/efre47760.2020.9242183.

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Li, Yuan, Hao Zhou, Ning Li, and Kefa Cen. "Experimental Study of Spray Flame Characteristics in Hot-Diluted Oxidant Through Advanced Image Processing Technique." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3351.

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This paper presents a study of ethanol jet spray flame characteristics in a hot-diluted oxidant with different co-flow oxygen concentrations and fuel/air mass flow rate ratios (MF/MA ratios) through advance image processing technique. An air-blast atomizer was located in a McKenna burner which was utilized to provide stable combustion surroundings and variable combustion atmosphere for ethanol jet spray. The co-flow oxygen concentrations were set to 5%, 10%, 15% and 21% (by volume) by adjusting the mass flow rates of CH4, O2 and N2. The MF/MA ratios were set to 0.245, 0.490, 0.735, and 0.980 by adjusting the fuel mass flow rate and the carrier air mass flow rate. A high-speed RGB CCD camera was employed to capture spray flame images continuously. Spray flame edge is detected using an auto-adaptive edge-detection algorithm which could detect the spray flame edge continuously and clearly. A flame zone is defined as the region surrounded by the detected flame edge to obtain flame parameters. Spray flame characteristics are described using the measured flame parameters, involving flame area, length, brightness, nonuniformity and temperature which are derived from the spray flame images. Spray flame area, length, brightness and nonuniformity are extracted through image processing technique directly. Moreover, two-dimensional (2D) temperature profiling of spray flame is obtained by coupling image processing technique with two-color pyrometry based on Planck’s radiation law. The effects of co-flow oxygen concentration and MF/MA ratio on spray flame characteristics are investigated in this work. The spray flame parameters are observed to be sensitive to both co-flow oxygen concentration and MF/MA ratio. The results show that the fuel mass flow rate (MF) has opposite effects on spray flame characteristics compared with the carrier air mass flow rate (MA) in hot-diluted oxidant. Spray flame area and length are shown to decrease for higher co-flow oxygen concentrations, while spray flame brightness, uniformity and temperature are observed to increase for higher co-flow oxygen concentrations, owing to the enhancement of the combustion rate. A higher MF/MA ratio leads to higher spray flame area, length, brightness, uniformity and temperature, due to the increase of the droplet residence time or droplet concentration in hot-diluted oxidant. In the same MF/MA ratio, spray flame area and length are found to be smaller at a higher fuel flow rate (or carrier air flow rate). However, spray flame brightness, uniformity and temperature are demonstrated to be enhanced at a higher fuel flow rate (or carrier air flow rate). (CSPE)
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3

Vladimirov, V. I., Yu A. Gorshkov, V. S. Dozhdikov, and V. N. Senchenko. "A BRIGHTNESS PYROMETER TECHNIQUE FOR TEMPERATURE MEASUREMENTS IN THE FLAMES OF HYDROCARBON FUELS." In Radiative Transfer I. Proceedings of the First International Symposium on Radiation Transfer. Connecticut: Begellhouse, 1995. http://dx.doi.org/10.1615/ichmt.1995.radtransfproc.450.

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Journal articles
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