TRANSACTIONS OF THE KRYLOV STATE RESEARCH CENTRE

Science journal

 
ISSN (print) 2542-2324 /(online) 2618-8244


Articles of The Transactions of KSRC








Methods and results of effective application of modern infra-red imaging technologies for measuring hydrophysical processes



Full text article ( in russian)

Year

 
2021

Issue

 
396

Volume

 
2

Pages

 
134-138

Caption

 
Methods and results of effective application of modern infra-red imaging technologies for measuring hydrophysical processes

Authors

 
Zenchenko S.

Keywords

 
IR imaging technologies, thermal radiation, IR range of spectrum

DOI

 
10.24937/2542-2324-2021-2-396-134-138

Summary

 
Object and purpose of research. The paper presents characteristics of modern infra-red imaging technologies and highlights their potential for wide application.
Subject matter and methods.Investigations are presented based on the account of balance of various components of water surface thermal radiation and its changes under different conditions of water surface observations, measurements at different sky radiation intensities and application of additional natural illumination by solar radiation.
Main results. Modern infra-red imaging technologies are analyzed for convenience of measurements using operator’s windows, different spectral IR ranges, various matrix receiver formats as well as comparative temperature fields presentation using 3-D control points, lines, etc. Comparative measurements of various instruments are given in recording of natural and artificial anomalies of thermal radiation related to changes of the air/water thermal interface and similar measurements with prevailing reflected thermal radiation component. Possibility of applying IR imaging technologies with additional signal amplification by simultaneous recording of reflected solar radiation are considered. Data recorded concurrently in visible and IR ranges of spectrum are compared.
Conclusion. Conclusions are given regarding various measuring methods to record the proper thermal radiation of water surface and its reflected component, which can be used to measure the wave structure of marine surface. The possibilities of visible online analysis and structured analysis of the recorded temperature field with simultaneous display of its temperature, color, linear and time scale are demonstrated

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