Determination of the temperature field in plate with a disk for a nonideal thermal contact between them

1968 ◽  
Vol 15 (4) ◽  
pp. 990-993 ◽  
Author(s):  
O. V. Poberezhnyi ◽  
G. S. Kit
Keyword(s):  
Temperature Field ◽  
Thermal Contact

Determination of the profile of the temperature field of material heated by continuous laser radiation

2020 ◽  
pp. 51-10
Author(s):  
B.A. Lapshinov ◽  
◽  
N.I. Timchenko ◽  
Keyword(s):  
Temperature Field ◽  
Optical Fiber ◽  
Prolonged Exposure ◽  
Radiation Spectrum ◽  
Visible Range ◽  
Continuous Laser ◽  
Surface Temperature Distribution ◽  
Continuous Radiation ◽  
Spectral Pyrometry

Spectral pyrometry was used to determine the surface temperature distribution of Si, Nb, Cu, and graphite samples when they were locally heated by continuous radiation of an Nd:YAG laser (λ = 1.064 μm). With prolonged exposure to radiation, a stationary temperature field was established in the samples. The thermal spectra were recorded with a small spectrometer in the visible range in the temperature range above 850 K. The optical fiber used to transmit the radiation spectrum to the spectrometer had an additional diaphragm with a diameter of 1 mm located at a certain distance from the fiber end, which ensured the locality of the recorded spectra. The optical fiber moved continuously along the sample, and the spectrometer recorded up to 100 spectra with a frequency of 5-10 Hz. The temperature profile of the samples was calculated based on the results of processing the spectra using the Spectral Pyrometry program.

Determination of the temperature field of a wedge during heating and cooling

1973 ◽  
Vol 24 (1) ◽  
pp. 112-115
Author(s):  
V. A. Ostaf'ev ◽  
A. A. Chernyavskaya
Keyword(s):  
Temperature Field ◽  
Heating And Cooling

scholarly journals Analytical and experimental determination of the temperature field on the surface of wall heating panels

2015 ◽  
Vol 19 (2) ◽  
pp. 497-507
Author(s):  
Ruzica Todorovic ◽  
Milos Banjac ◽  
Bogosav Vasiljevic
Keyword(s):  
Temperature Field ◽  
Experimental Determination ◽  
Wall Heating

scholarly journals Temperature Gradient Measurements in Hydrothermal Areas of Georgia

2018 ◽  
Vol 1 (1) ◽  
pp. 14-17
Author(s):  
Andreas Weller ◽  
Sepehr Sangin ◽  
Günter Buntebarth ◽  
George Melikadze
Keyword(s):  
Temperature Field ◽  
Fluid Flows ◽  
Temperature Measurements ◽  
Resolving Power ◽  
The Caucasus ◽  
Caucasus Region ◽  
Different Depths ◽  
Subsurface Fluid ◽  
Gradient Measurements

The project uses results of temperature measurements in shallow boreholes to determine the geothermal gradients for a selected set of wells in Georgia. The hydrothermal flow in the Caucasus region driven by ongoing tectonic activities causes a varying temperature field that impedes determination of stable temperature gradients. Conventional temperature logging provides only a snapshot of the temperature distribution in a well. Therefore, the methodology adopted in this study is based on continuous stationary measurements with up to eight temperature sensors fixed at different depths in the wells. Temperature measurements have been performed in 14 wells using thermometers with resolving power of 0.01 K. The temperature field was recorded during periods ranging from 16 hours to 4 days. This practice of measurements enabled detection of thermal effects of fluid flows within the selected set of boreholes. Considering the 14 wells that were selected for this study, eight showed signs of stability in temperature increase versus depth and the remaining seven wells revealed signs of instability due subsurface fluid flows.

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